36 SALAMANDP.ID.'E. 



Total length 166 156 millim. 



From snout to cloaca .... 71 73 „ 



Head 13 14 „ 



Width of head 9^ 11 „ 



Fore limb 20 21 „ 



Hind limb 25 24 „ 



Tail 95 83 „ 



Japan. 



a-b. 3 & larva. Japan. 



c _d. 2 . Oyama, near Yeddo. H.M.S. ' Challenger [C.]. 



e. Several spec. : S , Near Hakone, Niphon. H.M.S. ' Challenger ' [C.]. 

 5 , & larvae. 



10. RANIDENS. 

 Ranodon, Kessler, Bull. Mosc. 1866, p. 126 ; Strauch, Salam. p. 65. 



Tongue rather large, subcircular, the lateral borders free. Pala- 

 tine teeth in two short transverse arched series, convex forwards, 

 between the choanse, separated from each other by a wide interspace. 

 Toes five. Tail compressed. 



Eastern Temperate Asia. 



1. Ranidens sibiricus. 



Triton (Ranodon) sibiricus, Kessler, I. c. pi. vii. 

 Ranodon kessleri, Bullion, Bull. Mosc. 1868, p. 138. 

 sibiricus, Strauch, 1. c. p. 06, pi. ii. f. 3. 



Head rather depressed, a little longer than broad ; snout rounded ; 

 eyes moderately large, prominent ; labial lobes slightly developed. 

 Body rounded, thrice and a half to thrice and two thirds the length 

 of the head. Limbs moderate ; fingers and toes rather short, 

 depressed, free ; the extremity of the adpressed hind limb reaches 

 the wrist of the adpressed fore limb. Tail as long as, or a little 

 longer than head and body, strongly compressed, crestless, keeled 

 above, obtusely pointed. Vent a longitudinal slit, in the male with 

 a small papilla anteriorly, the borders not swollen. Skin shining, 

 minutely tuberculate above ; sides with eleven to thirteen very di- 

 stinct vertical grooves ; a more or less distinct fold of the skin running 

 perpendicularly to the costal grooves along each flank ; parotoids 

 present, large, flat, behind the angle of the jaws ; a groove from the 

 eye to the parotoid ; a strong gular fold. Light brown above, with 

 more or less distinct darker spots ; beneath whitish, immaculate. 



6. 



Total length 180 millim. 



From snout to cloaca 85 „ 



Head 18 „ 



Width of head 16 „ 



