Zweifel, Richard George, 1926-2005-10-062005-10-061961http://hdl.handle.net/2246/343719 p. : ill. ; 24 cm.Includes bibliographical references (p. 18-19).1826689 bytesapplication/pdfen-USQL1 .A436 no.2056, 1961Hyla arenicolor -- Development.Hyla wrightorum -- Development.Tadpoles -- Development.Frogs -- Arizona -- Development.Frogs -- New Mexico -- Development.Frogs -- Mexico -- Development.Amphibians -- Larvae -- Arizona.Amphibians -- Larvae -- New Mexico.Amphibians -- Larvae -- Mexico.Amphibians -- Arizona -- Development.Amphibians -- New Mexico -- Development.Amphibians -- Mexico -- Development.Larval development of the tree frogs Hyla arenicolor and Hyla wrightorum. American Museum novitates ; no. 2056Tree frogstext