46 REPTILES. 



Above bro'^ni ; forehead and croAvii, a streak along the caudal 

 vertebra and some spots on the extremities yellow ; beneath bro-wii, 

 with some large elliptical yellow spots. Metatarsus with one 

 tubercle. 



a. Adult. Swan River. Presented by J. Wright, Esq. (Original 

 specimen of Dr. Gray's Bomb, australis, and different from 

 Bibron's PJiri/n. australis : cfr. Erpet. Gener. \\\\. p. 725.) 



h. Adult. Austraha. From M. Parzudaki's Collection. 



2. Pseudophryne bibronii. 



Phryniscus australis, Dwn. ^- Bihr. viii. p. 725. pi. 100. f. 2, 4. 



Above olive, no white on the head; beneath white, variegated 

 with brown. Metatarsus with two small tubercles. 



a. Adult. Austraha. Presented by the Earl of Derby. 

 h. Adult. Australia. 



c, d. Adult : not good state. Van Diemen's Land. Presented by 

 Sir W. J. Hooker. 



2. BRACHYCEPHALUS. 



Head moderate ; muzzle distinct, rather tapering ; cleft of mouth 

 moderate ; extremities moderate ; fingers four, free, last rudimentary, 

 scarcely visible ; toes five, free, the two outer ones rudimentary. 

 Teeth, none in jaws nor in palate ; tongue elongate, elhptic, entire. 

 Eustachian tubes rudimentary ; no tympanum nor cavum tympani. 

 Skin smooth ; on the back a bony shield, formed by the dilated pro- 

 cesses of six dorsal vertebrse. Sacral vertebra only feebly dilated. 

 Tropical America. 



Brachycephalus, Fitz. Neue Class. Rq>t. p. 39; Waql. Syst. Amph. 



p. 207 ; Tsclmdi, Batr. p. 87 ; Dtmi. &;■ Bibr. p. 720. 

 Ephippifer, Codcaii, Mag. Zool. Giierin, iii. 1835, cum fig. 

 Biifo, sp., Spix, Spec. Nov. Test. p. 48. 



1. Brachycephalus ephippium. 



Bufo ephippium, Spix, Spec. Nov. Test. t. 20. f. 2. 



Brachycephalus ephippiiun, Fitz. I. c. ; IVaijl. 1. c. ; Tschtulij 1. c. ; 



Bum. cV Bihr. p. 729. 

 Ephippifer spixii, Cocteau, I. c. 



Dull yellowish, sometimes with a large black dorsal spot. 



a. Many specimens. Brazil. Purchased by Dr. Gardiner. 



h-d. Adult. Tropical America. Presented by Charles Darwin, Esq. 



