File:The American Museum journal (c1900-(1918)) (18159782835).jpg

Title: The American Museum journal
Identifier: americanmuseumjo05amer (find matches)
Year: c1900-(1918) (c190s)
Authors: American Museum of Natural History
Subjects: Natural history
Publisher: New York : American Museum of Natural History
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: Biodiversity Heritage Library

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BATRACHIANS OF THE VICINITY OF NEW YORK 195 others to a bright tint of green. While the animal was in the green phase, the pattern on the back could not be discerned. The toes are provided with well-developed adhesive disks, or "suckers," which are particularly distinct on the fore feet. The skin of the abdomen is coarse and granulated; that of the back is smooth. Male specimens of this species may be distinguished from the females by the loose, dark skin on the throat. This loose skin constitutes the vocal sac, an organ capable of great ex-
Text Appearing After Image:
FIQ- 20. PICKERING'S TREE TOAD From specimen in New York Zoological Park pansion while the animal is uttering its shrill mating call. Length of body, \\ inches; total length, hind limbs outstretched, 2^ inches. Range: The entire eastern and central portions of the United States, abundant. Local Distribution: Common, but not easily seen. Only three representatives of the genus Hyla are found in this vicinity.1 The species are easily distinguished from one another by their characteristic color-patterns, and from other tailless batrachians by their peculiar feet and the disks on the toes. 1 One species, the Hyla andersoni, is of doubtful occurrence, although it is included in this Leaflet.

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