Resultados de la búsqueda : unam (229,043) de 1 a 100
Lista de recursos ordenados por tipo (relevancia, fecha, autor, institución, tipo, título)ascendente - descendente
mostrando 100 (25, 50, 100, 200 )
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"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 -
"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 -
"A synopsis of salamander classification"
Brame, Arden H, Jr.
UNAM (1968)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125284 -
"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 -
"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 -
"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 -
"A survey of albinism in salamanders"
Brame, Arden H, Jr.
UNAM (1962)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125280 -
"The salamander genus, Oedipina, in northern Central America"
Brame, Arden H, Jr.
UNAM (1960)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125279 -
"A list of the world's fossil Caudata"
Brame, Arden H, Jr.
UNAM (1958)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125278 -
"A list of the world's recent Caudata"
Brame, Arden H, Jr.
UNAM (1957)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125277 -
"Gnomes of the night. The spadefoot toads"
Bragg, Arthur N.
UNAM (1965)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125276 -
"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 -
"The salamanders of South America"
Brame, Arden H, Jr. David B Wake.
UNAM (1963)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125287 -
"Hybridization experiments involving Ambystoma dumerilii"
Brandon, Ronald A.
UNAM (1971)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125297 -
"A salamander that never grows up"
Brandon, Ronald A.
UNAM (1971)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125296 -
"Hybridization experiments involving Ambystouta dumerilii"
Brandon, Ronald A.
UNAM (1970)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125295 -
"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 -
"Biology of Ambystoma (Bathysiredon) dumerilii (Dugès)"
Brandon, Ronald A.
UNAM (1970)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125293 -
"Reproduction of the Mexican achoque, Bathysiredon dumerilii, in captivity"
Brandon, Ronald A.
UNAM (1970)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125292 -
"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 -
"Reproduction of the Mexican achoque, Bathysiredon dumerili, in captivity"
Brandon, Ronald A.
UNAM (1969)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125290 -
"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 -
"The natural landscape of northwestern Chihuahua"
Brand, Donald Dilworth.
UNAM (1937)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125288 -
"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 -
"In quest of the spadefoots"
Bragg, Arthur N.
UNAM (1956)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125274 -
"On the southern snapping-turtle (Chelydra rossignonii Bocourt)"
Boulenger, George Albert.
UNAM (1902)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125261 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1901)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125260 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1900)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125259 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1899)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125258 -
"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 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1898)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125256 -
"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 -
"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 -
"Reptilia and Amphibia"
Boulenger, George Albert.
UNAM (1897)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125253 -
"A revision of the lizards of the genus Sceloporus"
Boulenger, George Albert.
UNAM (1897)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125252 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1902)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125262 -
"Descriptions of new batrachians in the British Museum"
Boulenger, George Albert.
UNAM (1903)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125263 -
"Tadpoles of Scaphiopus bombifrons and Scaphiopus hammondii"
Bragg, Arthur N.
UNAM (1941)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125273 -
"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 -
"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 -
"Synopsis of the American species of Rana"
Boulenger, George Albert.
UNAM (1919)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125270 -
"Description of new frogs of the genus Rana"
Boulenger, George Albert.
UNAM (1917)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125269 -
"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 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1905)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125267 -
"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 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1904)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125265 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1903)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125264 -
"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 -
"The number of young of Xantusia"
Brattstrom, Bayard H.
UNAM (1951)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125299 -
"Amphibia Anura I. Subordo Aglossa und Phaneroglossa Sectio I"
Nieden, Fritz.
UNAM (1923)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125520 -
"Gymnophiona (Amphibia, Apoda)"
Nieden, Fritz.
UNAM (1913)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125519 -
"Phylogénèse et systématique"
Nicoli, R M.
UNAM (1963)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125518 -
"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 -
"The desert tortoise in captivity"
Nichols, Una G.
UNAM (1957)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125516 -
"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 -
"Los ophidios de Colombia"
Nicéforo Mariá, Hermano.
UNAM (1942)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125514 -
"Hirstiella pyriformis sp"
Newell, Irwin M. Raymond E Ryckman.
UNAM (1964)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125513 -
"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 -
"Comparative embryology of the vertebrates"
Nelson, Olin Everett.
UNAM (1953)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125511 -
"Amphibia Anura II. Engystomatidae"
Nieden, Fritz.
UNAM (1926)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125521 -
"Estudio de la sangre de Rana montezumae"
Nieto Roaro, Daniel.
UNAM (1938)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125522 -
"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 -
"The phylogeny of the Salientia"
Noble, Gladwyn Kingsley.
UNAM (1922)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125531 -
"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 -
"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 -
"Two new batrachians from Colombia"
Noble, Gladwyn Kingsley.
UNAM (1920)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125528 -
"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 -
"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 -
"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 -
"Die Terrarientier 1"
Nietzke, Günther.
UNAM (1969)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125524 -
"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 -
"Lower California and its natural resources, Washington"
Nelson, Edward W.
UNAM (1922)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125510 -
"A narrow-mouthed toad (Gastrophryne usta) in El Salvador"
Legler, John M.
UNAM (1964)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125509 -
"A rare species of Bascanium (B. ornatum)"
Bruner, Henry L.
UNAM (1898)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125390 -
"Variation in the snake, Thamnophis macrostemma Kennicott"
Brumwell, Malcolm J.
UNAM (1939)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125389 -
"Fecundity in primitive plethodontid salamanders. Evolution"
Bruce, Richard C.
UNAM (1969)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125388 -
"The fossil pit-vipers (Reptilia-Crotalidae) of North America"
Brattstrom, Bayard H.
UNAM (1954)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125306 -
"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 -
"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 -
"The cactus of the Revillagigedo Islands, Mexico"
Brattstrom, Bayard H.
UNAM (1953)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125303 -
"Diurnal activities of a nocturnal animal"
Brattstrom, Bayard H.
UNAM (1952)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125302 -
"The food of the nightlizards, genus Xantusia"
Brattstrom, Bayard H.
UNAM (1952)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125301 -
"Two additions to the herpetofauna of Baja California, Mexico"
Brattstrom, Bayard H.
UNAM (1951)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125300 -
"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 -
"Venoms"
Buckley, Eleanor E. Nandor Porges.
UNAM (1956)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125394 -
"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 -
"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 -
"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 -
"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 -
"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 -
"A new tortoise, genus Gopherus, from north-central Mexico"
Legler, John M.
UNAM (1959)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125503 -
"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 -
"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 -
"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 -
"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 -
"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 -
"Reptilia and Batrachia"
Boulenger, George Albert.
UNAM (1896)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125250 -
"On a case of simous malformation in a snake"
Boulenger, George Albert.
UNAM (1896)
http://repositorio.fciencias.unam.mx:8080/xmlui/handle/11154/125249 -
"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 -
"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