476 



DUNN. 



Remarks 



Hynobius retard atus Dunn. 



1892. Hynobius nebulosus Sclater Batr. Indian Mus., p. 36 (Yezo). 



1907. Hynobius fuscus Tago. (pan . Tokyo Zool. Mag.. 19. pp. 204. 233. 



1910. Hynobius lichenatus Hatta. Tokyo Zool. Mag.. 22. p. SS; Hashimoto, 

 1910, Tokyo Zool. Mag., 22. p. 497: Kuhne, Hatta, and Hashi- 

 moto. 1910. Tokyo Zool. Mag.. 22. p. 559: Abe 1921. Tokyo 

 Zool. Mag.. 34. p. 320: Inukai 1922. Journ. Coll. Agric. Hok- 

 kaido Imp. Univ., 10. 5. p. 107. 



1910. Hynobius nigrescens Hashimoto, loc. cit.. p. 497. 



1923. H'/nobius retardatus Dunn. Proc. California Acad. Sci., 4 . XII. 2. 

 p. 27 



Type: Cal. Acad. Sci. Xo. 3592S, recently transformed male, col- 

 lected Aug. 30, 1911, by Kuhne. 



Type Locality: Noboribetsu, Iburi Province, Yezo. 



Range: Island of Yezo. 



Diagnosis: A Hynobius with long, flat tail, very short series of 

 vomerine teeth; 11-12 costal grooves: toes five, long; grayish brown, 

 a darker lateral stripe: reaching a large size before transforming. 



Description: Cal. Acad. Sci. No. 35928, Noboribetsu, Yezo, re- 

 cently transformed, male. Costal grooves 12; appressed toes over- 

 lapping; head width 5 in length from snout to vent; head length 3 in 

 length of body; head a blunt oval from above; eye as long as its 



