38 SALAMANDEIB^. 



12. DICAMPTODON. 



Dicamptodon, Strauch, Salam. p. 68. 



Tongue nearly entirely adherent. Palatine teeth in two Ion 

 transverse arched series, convex forwards, converging backwardi 

 situated behind the liae of the choanae, separated from each othe 

 by a wide interspace. Toes five. Tail compressed. 



California. 



1. Dicamptodon eusatus. 



Triton ensatua, Esclischottz, Zool. Atlas, p. 6, pi. 22. 

 Dicamptodon ensatus, Strauch, I. c. p. 69. 



Head broad ; snout rounded. Body stout. Limbs short ; toe 

 free. Tail sword-shaped, curved upwards, as long as head an^ 

 body. Skin nearly smooth ; parotoids and costal grooves apparentl 

 absent. Eeddish-brown, back marbled with brown. Total lengtl 

 about 4 decimetres. 



CaUfomia. 



13. AMBLYSTOMA.* 



Amblyatoma, Tsohudi, Batr. p. 92 ; Baird, Joum. A& Philad. (2) i 

 1860, p. 281 ; Gray, Cat. p. 34 ; Hum. ^ Bibr. ix.*p. 101 ; Copt 

 Proe. Ac. Philad. 1867, p. 166 ; Strauch, Salam. p. 60. 



Xiphonura, Tschudi, I. c. p. 95 ; Ch-ay, I. c. ; I)um. 8f Bibr. p. 161. 



Salamandroides, Mtzing. Syst. Mept. p. 33. 



Heterotriton, Gray, I. c. p. 33. 



Desmiostoma, Sager, Penins. Joum. Medic. 1858, p. 428. 



Camaratazia, Cope, Proc. Ac. PhUad. 1859, p. 122. 



Pectoglossa, Mivart, Proc. Zool. Soc. 1867, p. 698. 



Laetax Foems : — 



Siredon, Wagl. Syst. Amph. p. 209 ; Bum. ^ Bibr. p. 176. 

 Axolotes, Owen, Ann. 8f Mag. N. IT. xiv. p. 23. 



Tongue subciroular or oval, with radiating pliesB ; lateral border 

 free ; anterior border slightly free. Palatine teeth in long series 

 continuous or separated by slight interspaces. Toes five. Tai 

 more or less compressed. 



North America, southward to Mexico ; one species from Siam 

 probably at a great altitude. 



* The three following species are referred, for completeness' sake, to thi 



genus, but not -without uncertainty, as nothing precise is said in the descriptio 



of the arrangement of the palatine teeth or of the attachment of the tongue :- 



Salamcmdra brevicaitda, Wied, Nova Acta Leop.-Carol. xxxii. p, 127!- 



Pennsylvania. 

 S. maaulaia, id.ihid. p. 129. — Pennsylvania. 

 8. melanoleieca, id. ibid. p. 130. — Pennsylvania. 



