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Browsing by Author Zweifel, Richard G

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PreviewIssue DateTitleAuthor(s)
1957A new frog of the genus Rana from Michoacán, MexicoZweifel, Richard G
1954A new frog of the genus Rana from western Mexico with a key te the Mexican species of the genuaZweifel, Richard G
1954A new species of Chersodro from MexicoZweifel, Richard G
1960A new species of lizard (genus Cnemidophorus) from MexicoZweifel, Richard G
1956A survey of the frogs of the agusti groupZweifel, Richard G
1959Additions te the herpetofauna of Nayarit, MexicoZweifel, Richard G
1962Analysis of hybridization between two subspecies of the desert whiptail lizard, Cnemidoiphorus tigrisZweifel, Richard G
1980Aspects of the biology of a laboratory population of king snakesZweifel, Richard G
1959Cnemidophorus tigris variolosus, a revived subspecies of whiptail lizard from MexicoZweifel, Richard G
1982Color pattern morphs of the kingsnake (Lampropeltis getulus) in southern California: distribution and evolutionary statusZweifel, Richard G
1970Descriptive notes on larvae of toads of the debilis group, genus BufoZweifel, Richard G
1965DistrĂ­bution and mating calls of the Panamanian toads, Bufo coccifer and B. granulosusZweifel, Richard G
1955Ecology, distribution and systematics of frogs of the Rana boylei groupZweifel, Richard G
1967Eleutherodactylus augustiZweifel, Richard G
2003Encyclopedia of reptiles & amphibiansCogger, Harold G; Zweifel, Richard G; Kirshner, David.
1981Genetics of color pattern polymorphism in the California kingsnakeZweifel, Richard G
1974Lamprolpeltis zonata (Lockington ex Blainville): California mountain kingsnakeZweifel, Richard G
1961Larval development of the tree frogs Hyla arenicolor and Hyla wrightorumZweifel, Richard G
1977Liste der rezenten Ampbibien und ReptilienZweifel, Richard G
1954Notes en the distribution of some reptiles in western MexicoZweifel, Richard G
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