THE BATRACHIA OF NORTH AMERICA. 



509 



^meters. 

 ;phaloii rt'- 



ncepbalon : 

 snceplialon. 

 riclt', iv ; d. 



lectiou, till- 

 leres spn-ud 

 [)r()sencei>h- 

 thysis, from 

 o; /. fourth 

 thalon : m<, 

 lypophysis; 



;tiou ; p. c, 



or ; h, pros- 



;.); a, right 

 >ii exposed ; 



osed ; p. c. 



I 



PLATE LVII. 



Viscera of Salieutia with the digestive organs removed. There remain the urogeni- 

 tal, the respiratory, and the central circulatory systems. 



Fig. 1. Bufo Iviitiginomts amcricaiius, ^. 



2. Scaphiopiis holbrookii, <J . 



3. liana 2)alu8tri8, 9 ; ovary of the right side removed, so as to display the kid- 



ney and oviduct. The greater part of the left lung is also cut oft', in order 

 to display the fontanelle of the left oviduct. 



PLATE LVIII. 



Biifo lentiginoius amcricanus, skeleton, natural size, from above. 



PLATE LIX. 

 Jiiifo lentiiji)W8U8 americanua, skeleton, natural size, from below. 



PLATE LX. 

 liufo pantherinuB, uatura. size, from below. 



PLATE LXL 



Xenopun capcnsis, natural size, from below. 



PLATE LXIL 



Ceratophrys ornatus, natural size, from below. 



PLATE LXin. 



Fiu. 1. Brericeps gihho><u8, natural size, from below. 

 2. Pelobates fuHcus, natural size, from below. 



PLATE LXIV. 



Fig, 1. nyla versicolor, natural size, from above. 

 2. Hyla versicolor natural size, from below. 



PLATE LXV. 

 Calliila pulchra, natural size, from below. 



PLATE LXVL 



littua catesbiana, natural size, from above. 



PLATE LXVIL 



Hanii cateabiana, natural size, from below. 



PLATE LXVin. 



Details of osteology o{ Salieutia, including Discoijlossida, Asterophrydida; Pelodytidce, 



and Scaphiopida. 



FiG. 1. Spea hammoiidii hammondii, cranium from above, and a sternum of subspe- 

 cies bombifrons. 

 2. Scaphiopiis couchii, sternum. 

 'i. Scaphiopiis holbrookii. skull and sternum (a). 

 4. Didoviis calcaratus, skull. 

 Ti. Pelobatea fiisciis, sternum of large tadpole. 





* I \: 



