60 



SALAMANDEID^E. 



3. Batrachoseps nigriventris. 



Batrachoseps nigriventris, Cope, Proc. Ac. Philad. 1869, p. 98. 



Resembles the preceding in general proportions, but the limbs in 

 more rudimental condition. Costal grooves twenty or twenty-one, 

 extending to vertebral line, but not curved. Colour above deep brown, 

 separated abruptly from the black of the lower surfaces ; tail black. 



California. 



a-b. Adult. Pataluma. Smithsonian Institution [P.]. 



4. Batrachoseps attenuatus. 



Batrachoseps attenuatus, Gray, Cat. p. 42. 

 Salamandrina attenuate, Eschsch. Zool. Atlas, p. 1, pi. 21. f. 1-14. 

 Batrachoseps attenuatus, Bonap. Faun. Ital. ; Cope, Proc. Ac. Philad. 

 1869, p. 08 ; Strauch, Salmn. p. 85. 



Tongue, posterior half free ; anterior attachment very delicate, 

 easily torn. Palatine teeth in two very short series, not extending 

 outwards beyond the inner margin of the choanae, separated from 

 parasphenoid patches ; latter confluent. Head small ; snout short, 

 rounded; eyes moderately large. Body cylindrical, much elongate, 

 measuring about four times the distance from tip of snout to gular 

 fold. Limbs very weak ; digits very short, rudimentary, united. 

 Tail cylindrical, as thick as body, longer than head and body. Skin 

 smooth, shining ; no parotoids ; a strong gular fold ; twenty costal 

 grooves ; tail regularly ringed. Brown ; a blackish band along 

 each side of the body ; back with diagonal darker cross lines. 



Total length 108 millim. 



From snout to cloaca 41 



Head 6| 



Width of head 5 



Fore limb 6 



Hind limb 7 



Tail 67 



United States, Pacific district. 



a-c. Adult. San Francisco. 

 d-ff. Adult & hgr. California. 

 h-k. Adult & hgr. ? 



17. SPELERPES*. 



Spelerpes, Rafin. Atlantic Journal, no. 1, p. 22 {fide Baird) ; Baird, 

 Joum. Ac. Philad. (2) i. p. 283 ; Gray, Cat. p. 43 ; Cope, Proc. Ac. 

 Philad. 1869, p. 104 ; Strauch, Salam. p. 77. 



Geotriton, Bonap. Faun. Ital. ; Tschudi, Batr. p. 93 ; Gray, Cat. p. 47 ; 

 Dum. Sf Bibr. ix. p. Ill ; Cope, I. c. p. 102. 



Cylindrosoma, Tschudi, I. c. 



Oedipus, Tschudi, I. c. ; Gray, Cat. p. 47 ; Cope, I. c. 



* Salamandra kaldemani, Ilolbr. N. Amer. Herp. v. p. 59, pi. 13. — Pennsyl- 

 vania, Maryland, and Virginia. 



