Resultados de la búsqueda : unam (229,043) de 1 a 100

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  1. "Nota acerca de la distribución geográfica de los reptiles ponzoñosas en México"
    Martín del Campo. Sánchez, Rafael.
    UNAM (1935)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/127726


  2. "Systematics and evolution of the mesoamerican salamander genus Oedipina"
    Brame, Arden H, Jr.
    UNAM (1968)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125285


  3. "A synopsis of salamander classification"
    Brame, Arden H, Jr.
    UNAM (1968)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125284


  4. "A list of the world's recent and fossil salamanders"
    Brame, Arden H, Jr.
    UNAM (1967)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125283


  5. "Status of the plethodontid salamander Spelerpes sulcatum Brocchi, of Mexico"
    Brame, Arden H, Jr.
    UNAM (1963)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125282


  6. "A new Costa Rican salamander (genus Oedipina) with a re-examination of O. collaris and O. serpens"
    Brame, Arden H, Jr.
    UNAM (1963)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125281


  7. "A survey of albinism in salamanders"
    Brame, Arden H, Jr.
    UNAM (1962)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125280


  8. "The salamander genus, Oedipina, in northern Central America"
    Brame, Arden H, Jr.
    UNAM (1960)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125279


  9. "A list of the world's fossil Caudata"
    Brame, Arden H, Jr.
    UNAM (1958)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125278


  10. "A list of the world's recent Caudata"
    Brame, Arden H, Jr.
    UNAM (1957)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125277


  11. "Gnomes of the night. The spadefoot toads"
    Bragg, Arthur N.
    UNAM (1965)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125276


  12. "Three new slender salamanders (Batrachoseps) with a discussion of relationships and speciation within the genus"
    Brame, Arden H, Jr. Kieth F Murray.
    UNAM (1968)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125286


  13. "The salamanders of South America"
    Brame, Arden H, Jr. David B Wake.
    UNAM (1963)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125287


  14. "Hybridization experiments involving Ambystoma dumerilii"
    Brandon, Ronald A.
    UNAM (1971)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125297


  15. "A salamander that never grows up"
    Brandon, Ronald A.
    UNAM (1971)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125296


  16. "Hybridization experiments involving Ambystouta dumerilii"
    Brandon, Ronald A.
    UNAM (1970)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125295


  17. "Courtship, spermatophores and eggs of the Mexican achoque, Ambystoma (Bathysiredon) dumerilii (Dugès)"
    Brandon, Ronald A.
    UNAM (1970)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125294


  18. "Biology of Ambystoma (Bathysiredon) dumerilii (Dugès)"
    Brandon, Ronald A.
    UNAM (1970)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125293


  19. "Reproduction of the Mexican achoque, Bathysiredon dumerilii, in captivity"
    Brandon, Ronald A.
    UNAM (1970)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125292


  20. "Size range, size at maturity, and reproduction of Ambystoma (Bathysiredon) dumerilli (Dugès), a paedogenetic Mexican salamander endemic to Lake Pátzcuaro, Michoacán"
    Brandon, Ronald A.
    UNAM (1970)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125291


  21. "Reproduction of the Mexican achoque, Bathysiredon dumerili, in captivity"
    Brandon, Ronald A.
    UNAM (1969)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125290


  22. "Coalcomán and Motines del Oro, an ex-distrito of Michoacán, México"
    Brand, Donald Dilworth.
    UNAM (1960)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125289


  23. "The natural landscape of northwestern Chihuahua"
    Brand, Donald Dilworth.
    UNAM (1937)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125288


  24. "A theory of the origin of spade-footed toads deduced principally by a study of their habits, Lon- don"
    Bragg, Arthur N.
    UNAM (1961)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125275


  25. "In quest of the spadefoots"
    Bragg, Arthur N.
    UNAM (1956)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125274


  26. "On the southern snapping-turtle (Chelydra rossignonii Bocourt)"
    Boulenger, George Albert.
    UNAM (1902)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125261


  27. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1901)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125260


  28. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1900)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125259


  29. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1899)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125258


  30. "Description of new batrachians in the collection of the British Museum (Natural History)"
    Boulenger, George Albert.
    UNAM (1899)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125257


  31. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1898)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125256


  32. "Third report on additions to the lizard collection in the Natural History Museum"
    Boulenger, George Albert.
    UNAM (1898)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125255


  33. "Fourth report on additions to the batrachian collection in the Natural History Museum"
    Boulenger, George Albert.
    UNAM (1898)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125254


  34. "Reptilia and Amphibia"
    Boulenger, George Albert.
    UNAM (1897)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125253


  35. "A revision of the lizards of the genus Sceloporus"
    Boulenger, George Albert.
    UNAM (1897)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125252


  36. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1902)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125262


  37. "Descriptions of new batrachians in the British Museum"
    Boulenger, George Albert.
    UNAM (1903)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125263


  38. "Tadpoles of Scaphiopus bombifrons and Scaphiopus hammondii"
    Bragg, Arthur N.
    UNAM (1941)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125273


  39. "Eimeria sceloporis and Eimeria molochis spp"
    Bovee, Eugene C. Sam R Telford, Jr.
    UNAM (1965)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125272


  40. "A monograph of the American frogs of the genus Rana"
    Boulenger, George Albert.
    UNAM (1920)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125271


  41. "Synopsis of the American species of Rana"
    Boulenger, George Albert.
    UNAM (1919)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125270


  42. "Description of new frogs of the genus Rana"
    Boulenger, George Albert.
    UNAM (1917)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125269


  43. "Descriptions of new lizards in the collection of the British Museum"
    Boulenger, George Albert.
    UNAM (1913)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125268


  44. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1905)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125267


  45. "Descriptions of new reptiles discovered in Mexico by Dr. H. Gadow"
    Boulenger, George Albert.
    UNAM (1905)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125266


  46. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1904)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125265


  47. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1903)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125264


  48. "Anolis barkeri in Chiapas, Mexico"
    Brandon, Ronald A. Ronald G Altig. Enoch H Albert.
    UNAM (1966)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125298


  49. "The number of young of Xantusia"
    Brattstrom, Bayard H.
    UNAM (1951)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125299


  50. "Amphibia Anura I. Subordo Aglossa und Phaneroglossa Sectio I"
    Nieden, Fritz.
    UNAM (1923)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125520


  51. "Gymnophiona (Amphibia, Apoda)"
    Nieden, Fritz.
    UNAM (1913)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125519


  52. "Phylogénèse et systématique"
    Nicoli, R M.
    UNAM (1963)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125518


  53. "Three noteworthy colubrids from southern Sonora, Mexico"
    Nickerson, Max A. H L Heringhi.
    UNAM (1966)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125517


  54. "The desert tortoise in captivity"
    Nichols, Una G.
    UNAM (1957)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125516


  55. "The structure of the vertebral column in the Anura Phaneroglossa and its importance as a basis of classification"
    Nicholls, George E.
    UNAM (1916)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125515


  56. "Los ophidios de Colombia"
    Nicéforo Mariá, Hermano.
    UNAM (1942)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125514


  57. "Hirstiella pyriformis sp"
    Newell, Irwin M. Raymond E Ryckman.
    UNAM (1964)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125513


  58. "Acris in Mexico and Trans-Pecos Texas"
    Netting, M Graham. Coleman J Goin.
    UNAM (1946)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125512


  59. "Comparative embryology of the vertebrates"
    Nelson, Olin Everett.
    UNAM (1953)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125511


  60. "Amphibia Anura II. Engystomatidae"
    Nieden, Fritz.
    UNAM (1926)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125521


  61. "Estudio de la sangre de Rana montezumae"
    Nieto Roaro, Daniel.
    UNAM (1938)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125522


  62. "Some neotropical batrachians preserved in the United States National Museum with a note on the secondary sexual characters of these and other amphibians"
    Noble, Gladwyn Kingsley.
    UNAM (1924)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125532


  63. "The phylogeny of the Salientia"
    Noble, Gladwyn Kingsley.
    UNAM (1922)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125531


  64. "The anterior cranial elements of Oedipus and certain other salamanders"
    Noble, Gladwyn Kingsley.
    UNAM (1921)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125530


  65. "The bony structure and phyletic relations of Sphaerodactylus and allied lacertilian genera, with the description of a new genus"
    Noble, Gladwyn Kingsley.
    UNAM (1921)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125529


  66. "Two new batrachians from Colombia"
    Noble, Gladwyn Kingsley.
    UNAM (1920)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125528


  67. "The amphibians collected by the American Museum Expedition to Nicaragua in 1916"
    Noble, Gladwyn Kingsley.
    UNAM (1918)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125527


  68. "La acción de la gonodotropina en el abrazo sexual del sapo y las ranas espinales México"
    Niño, Guadalupe y Francisco Alonso de Florida.
    UNAM (1962)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125526


  69. "Records for the Sonora mud turtle, Kinosternon sonoriense, in New Mexico"
    Niles, David M.
    UNAM (1962)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125525


  70. "Die Terrarientier 1"
    Nietzke, Günther.
    UNAM (1969)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125524


  71. "Contribución al estudio hematológico de Dermophis mexicanus"
    Nieto Roaro, Daniel. Na Augustina Batalla.
    UNAM (1935)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125523


  72. "Lower California and its natural resources, Washington"
    Nelson, Edward W.
    UNAM (1922)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125510


  73. "A narrow-mouthed toad (Gastrophryne usta) in El Salvador"
    Legler, John M.
    UNAM (1964)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125509


  74. "A rare species of Bascanium (B. ornatum)"
    Bruner, Henry L.
    UNAM (1898)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125390


  75. "Variation in the snake, Thamnophis macrostemma Kennicott"
    Brumwell, Malcolm J.
    UNAM (1939)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125389


  76. "Fecundity in primitive plethodontid salamanders. Evolution"
    Bruce, Richard C.
    UNAM (1969)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125388


  77. "The fossil pit-vipers (Reptilia-Crotalidae) of North America"
    Brattstrom, Bayard H.
    UNAM (1954)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125306


  78. "Notes on a population of leaf-nosed snakes Phyllorhynchus decurtatus perkinsi"
    Brattstrom, Bayard H.
    UNAM (1953)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125305


  79. "An ecological restriction of the type locality of the western worm snake, Leptotyphlops h. humilis"
    Brattstrom, Bayard H.
    UNAM (1953)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125304


  80. "The cactus of the Revillagigedo Islands, Mexico"
    Brattstrom, Bayard H.
    UNAM (1953)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125303


  81. "Diurnal activities of a nocturnal animal"
    Brattstrom, Bayard H.
    UNAM (1952)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125302


  82. "The food of the nightlizards, genus Xantusia"
    Brattstrom, Bayard H.
    UNAM (1952)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125301


  83. "Two additions to the herpetofauna of Baja California, Mexico"
    Brattstrom, Bayard H.
    UNAM (1951)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125300


  84. "The horned lizards of California and Nevada of the genera Phrynosoma and Anota"
    Bryant, H C.
    UNAM (1911)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125391


  85. "Venoms"
    Buckley, Eleanor E. Nandor Porges.
    UNAM (1956)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125394


  86. "Further evidence for intergradation of two Mexican slider turtles (Pseudemys scripta)"
    Legler, John M.
    UNAM (1963)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125508


  87. "The os transiliens in two species of tortoises, genus Gopoherus"
    Legler, John M.
    UNAM (1962)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125507


  88. "A new subspecies of slider turtle (Pseudemys scripta) from Coahuila, Mexico"
    Legler, John M.
    UNAM (1960)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125506


  89. "Natural history of the ornate box turtle, Terrapene ornata ornata Agassiz"
    Legler, John M.
    UNAM (1960)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125505


  90. "Remarks on the natural history of the Big Bend slider, Pseudemys scripta gaigeae Hartweg"
    Legler, John M.
    UNAM (1960)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125504


  91. "A new tortoise, genus Gopherus, from north-central Mexico"
    Legler, John M.
    UNAM (1959)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125503


  92. "Studies of chromosomes of some Anuran amphibians (Hylidae and Centrolenidae)"
    Duellman, William E. Charles J Cole.
    UNAM (1965)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125415


  93. "Histoire naturelle par Buffon, dédiée au citoyen Lacépède"
    Buffon, Georges Louis Leclerc de.
    UNAM (1809)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125397


  94. "Histoire naturelle . . . nouvelle édition, accompagnée de notes . . . ouvrage . . .rédigé par C. S. Sonnini"
    Buffon, Georges Louis Leclerc de.
    UNAM (1805)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125396


  95. "Histoire naturelle . . . générale et particulière, avec la description du Cabinet du Roi"
    Buffon, Georges Louis Leclerc de.
    UNAM (1804)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125395


  96. "Catalogue of the snakes in the British Museum (Natural History)"
    Boulenger, George Albert.
    UNAM (1896)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125251


  97. "Reptilia and Batrachia"
    Boulenger, George Albert.
    UNAM (1896)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125250


  98. "On a case of simous malformation in a snake"
    Boulenger, George Albert.
    UNAM (1896)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125249


  99. "Threat-display in the lizards Cnemidophorus hyperythrus and Cnemidophorus labialis"
    Bostic, Dennis L.
    UNAM (1966)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125188


  100. "Food and feeding behavior of the teiid lizard Cnemidophorus hyperythrus beldingi"
    Bostic, Dennis L.
    UNAM (1966)
    http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125187
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