58 SALAMANDEID^. 



tance between the anterior corners of eyes. Tongue large, free in 

 the posterior half of its extent. Habit very slender. Head very 

 small, longer than broad ; snout rounded ; eyes rather large. Body 

 cylindrical, much elongate, four to five times the distance from 

 snout to gular fold. Limbs very weak ; fingers and toes very short, 

 latter webbed at the base, with slightly swollen tips, inner rudi- 

 mental ; no carpal or tarsal f;ubercles. Tail generally about as 

 long as head and body, cylindrical. Anal opening longitudinal, the 

 borders not swollen. Skin smooth ; parotoids indistinct ; a distinct 

 gular fold ; sixteen to eighteen costal grooves. Greyish or brownish 

 above, with or without a broad reddish-brown, black-edged longi- 

 tudinal band ; belly greyish, speckled with brown. 



d. 2- 



Total length 82 95 millim. 



From snout to cloaca .... 43 46 „ 



Head 7i 7i „ 



Width of head 6 6 „ 



Fore limb 8 8 „ 



Hind limb 10 9J „ 



Tail 39 49' „ 



East of the United States ; Canada. 



a,b. cJ . New York. 



c-e. (3 g . Ohio. 



/-«'. c? ? . N. America. Bdw. Doubleday, Esq. [P.]. 



W, m-p. d' $ . N. America. T. Bell, Esq. [P.]. 



q-s, t-x. d > ? , & yg- N. America. 



y-z. ? . N. America. Prof. St. George Mivart [P.]. 



16. BATRACHOSEPS. 



Hemidactylium, Tachudi, Batr. p. 94 ; Gray, Cat. p. 41 ; Cope, Proc. 



Ac. Philad. 1869, p. 99 ; Strauch, Salam. p. 75. 

 Batrachoseps, Bonap. Faun. Ital. ; Qray, I. c. p. 42 ; Cope, I. c. p. 98 ; 



Strauch, I. c. p. 84. 

 Desmodactylus, Dum. ^ Bibr. ix. p. 117. 



Tongue oval, attached along the median line, more or less free 

 behind. Palatine teeth in a chevron-shaped series behind the 

 choanse ; parasphenoid teeth in two elongate patches. Toes four. 



North America. 



Synopsis of the Species. 



13 costal grooves ; belly yellowish, black- 

 spotted 1. scutatiis, p. 59. 



1 8 costal grooves ; belly uniform yellowish 2. pacifieus, p. 59. 



20 costal grooves ; belly black 3. nigriventris, p. 60. 



20 costal grooves ; fore limb not reaching 



angle of mouth ; belly brown 4. attenuatus, p. 60. 



