15. ELETHODON. 57 



f-h. S & hg r - N. America. Edw. Doubleday, Esq. [P.]. 



i. 2 • N. America. 



ft. tf. N.America. Prof. St. George Mivart [P.]. 



6. Plethodon intermedins. 



Plethodon intermedius (Bawd), Cope, Proc. Ac. Philad. 1867, p. 209, 

 & 1869, p. 100 ; Strauch, Salam. p. 72. 



Palatine teeth in two oblique series converging backwards, sepa- 

 rated from each other by a wide interspace, not extending outwards 

 beyond choanse ; parasphenoid teeth in two elongate patches in 

 contact throughout, widely separated from the palatine teeth ; the 

 length of the parasphenoid patches equals the distance from their 

 anterior border to the tip of the snout. Tongue large, posterior 

 border free. Head small, longer thai 1 broad ; snout rounded ; eyes 

 large, prominent. Body cylindrical, elongate, about thrice and a half 

 the distance from snout to gular fold. Limbs short ; fingers and toes 

 short, obtuse, free, inner rudimental ; no carpal or tarsal tubercles. 

 Tail compressed, about the length of head and body. Skin smooth ; 

 parotoids indistinct ; a distinct gular fold ; thirteen costal grooves. 

 Colour as in P. erythronotus. 



Total length 81 millim. 



From snout to cloaca 40 „ 



Head 8 „ 



Width of head 6 „ 



Fore limb 8£ „ 



Hind limb 11 „ 



Tail 41 „ 



Vancouver's Island ; British Columbia. 



a-b. 2 & yg. Eraser's River. H.M.S. ' Plumper.' 



7. Plethodon erythronotus. 



Ambystoma erythronotum, Gray, Cat. p. 37. 

 Salamandra erythronota, Green, Journ. Ac. Philad. i. p. 356 ; Holbr. 

 N. Amer. Herp. v. p. 43, pi. 11; Behay, N.Y. Faun., Rept. p. 75, 

 pi. 16. f . 38 ; Wied, Nova Acta Leop.- Carol, xxxii. p. 126. 



cinerea, Green, I. c. 



Plethodon cinereus, Tschudi, Batr. p. 92. 



erythronotus, Baird, Journ. Ac. Philad. (2) i. p. 285 ; Bum. § 



Bibr. p. 86; Cope, Proc. Ac. Philad. 1869, p. 100; Strauch, Salam. 

 p. 72. 

 Palatine teeth in two oblique series, converging backwards, 

 separated from each other by a wide interspace, not extending out- 

 wards beyond choanae ; parasphenoid teeth in two elongate patches 

 in contact throughout, widely separated from the palatine teeth ; 

 the length of the parasphenoid patches is more than the distance 

 from their anterior border to the tip of the snout, or equals the dis- 



