I. HTtfOBIUS. 33 



Differs from the preceding in the following characters: — Eyes 

 smaller ; body much shorter, only about thrice and a half the 

 length of the head ; tail strongly compressed and keeled in the 

 posterior two thirds, ending in a point. Reddish brown, speckled 

 or variegated with dark brown above, with greyish beneath ; tail 

 blackish, upper and lower keels yellow. 



c*. $. 



Total length 99 102 millim, 



From snout to cloaca .... 56 55 „ 



Head 12 12 „ 



Width of head 10 10 „ 



Fore limb 15 13 „ 



Hind limb 17 16 „ 



Tail 43 47 „ 



Japan. 



a-b. c? • Japan. Leyden Museum. 



c. $. Japan. A. Adams, Esq. [0.]. 



d. Young. Nikko, C. Japan. C. Maries [C.j. 



3. Hynobius peropus. (Plate II. fig. 1.) 



The length of the palatine series, from anterior border to posterior 

 angle, equals half the width of the tongue. Head depressed, longer 

 than broad ; snout short, rounded ; eyes rather large, prominent ; 

 no labial lobes. Body cylindrical, slightly depressed, nearly four 

 times the length of the head ; the distance from snout to gular fold 

 three times in the distance from latter to cloaca. Limbs moderate, 

 not meeting when adpressed ; fingers and toes more elongate than 

 in the preceding species ; fifth toe rudimentary, tubercle-like ; 

 carpal and tarsal tubercles indistinct. Tail shorter than head and 

 body, strongly compressed and keeled in its posterior half, ending 

 in a point. Vent (of male) three slits meeting in front, tho 

 median longitudinal and longest, the two others obliquely directed 

 forwards, forming an angle ; the borders not swollen. Skin smooth ; 

 thirteen costal grooves ; a median dorsal groove ; parotoids indi- 

 stinct ; gular fold distinct ; no fold from eye to gular fold. Reddish 

 brown above, speckled and minutely marbled with dark brown ; 

 tail dark brown, with lichen-like grey variegation ; yellowish brown 

 beneath ; belly speckled with lighter. 



Total length 109 millim. 



From snout to cloaca 59 ■ 



Head 12 



Width of head 9 



Fore limb 15 



Hind limb 17 



Tail 50 



«. <$ . China or Japan. A. Adams, Esq. [C.]. 



D 



