so AMPHITTMID^. 



Fam. 2. AMPHIUMID-ffi. 



Amphiumidas, Crray, Ann. Phil. 1825. 



Tritonides, Tachudi, Classif. d. Bair. 



Proteideae, part., TschvAi, I. c. 



ProtonopsidsB, AmpHumidse, Gray, Cat. Bair. Grad. 



Atrfitoderes, part., Tr^matoderes Amphiumides, Bum. Sr JBibr. Hrp. 



Gen. ix. 

 Amphiumidse, Protonopsidse, Cope, Journ. Ac. Philad. (2) vi. 1866. 

 Ichthyodea, part., Stratich, Sev. d. Salam. 



Synopsis of the Genera. 



Digits 4 — 5 ; no spiraculum 1. Megalobatrachus, p. 80. 



Digits 4 — 5 ; spiraculum present. ... 2. Cryptobranchus, p. 81. 



Digits 3 — 3 or 2 — 2 ; spiraculum present. 



3. AmpMuma, p. 82. 



1. MEGALOBATEACHUS. 



Megalobatrachus, Tschudi, Batr. p. 96. 



Cryptobranchus, part.. Van der Hoeven, Proc. Zool. Soc. 1838, p. 25. 



Sieboldia, Bonap. Fam. Ital. ; Gray, Cat. p. 62. 



Tritomegas, Dum. Sr Bibr. ix. p. 163. 



Tongue covering the floor of tbe mouth, entirely adherent. A 

 strong series of vomerine teeth betvreeu the choanse, parallel with 

 and close to the intermaxillary and maxillary teeth. No spiraculum 

 or gill-openings. Two branchial arches. Digits 4 — 5. 



Japan; China. v 



1. Megalobatrachus maximus. 



Sieboldia maxima, Gray, Cat. p. 52. 

 Salamandra maxima, Schley. Faun. Japan, p. 127, pis. 6-8. 

 Megalobatrachus sieboldii, Tschudi, I. c. " • ' 



Cryptobranchus japonicus, Van der Hoeven, I. c, and Tijdschr. v. Nat. 



Gesch. en Physiol, iv. p. 376, pi. v. a. f. 6, 6 ; Ilyrtl,'3Ionogr. 1866. 

 Sieboldia maxima, Bonap. I.e. ' - 



Tritomegas sieboldii, Dum, SfBihr. p. 164. 

 Sieboldia davidiana, Blnnchard, C. li. Ac. Paris, 1871, Ixxiii. p. 79 ; 



Gray, Ann. ^ Mag. JV. IT. (4) xii. p. 188. 



Habit very stout. Head large, broad, much depressed ; snout 

 rounded ; nostrils very small, at the end of the snout, near the labial 

 border ; eyes extremely small. Body squat, depressed. Limbs short, 

 stout ; fingers and toes short, depressed ; outer fingers and toes and 

 fibula bordered with membranes. Tail short, strongly compressed, 



