﻿COPEPODS FROM LAKE ERH HAI, CHINA — HSIAO 



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like teeth throughout its length from the proximal end caudally to 

 the origin of the lateral seta, those near caudal end slightly larger, 

 and those near the base of the ramus smaller and more ventrally placed, 

 generally 30-35 spiniform teeth on each side (fig. 22, a). 



Figure 22. — Eucylcops serrulatus extensus, new subspecies: a, Furcal rami and last abdom- 

 inal (anal) segment of female, dorsal view; b, fifth leg of female; c, last joint of first antenna 

 of female; d, genital segment of female, lateral view showing spermatophores and fifth 

 and sixth legs; e, ventral view of genital segment of female showing receptaculum seminis; 

 /, mandible of female showing elongated setae; g, dorsal view of female with one ovisac 

 and one antenna removed; h, maxilla of female; i, fourth leg of female; ;, genital segment 

 of male showing sixth leg, lateral view; k, same, ventral view; /, dorsal view of E. s. serru- 

 latus from Leh, Ladak (L 13); m, anterior maxilliped of female; n, base of fourth pair of 

 legs of E. s. serrulatus (Fischer) from Kashmir, Yale North India Expedition, station K 35; 

 0, same of E. s. extensus from Lake Erh Hai. 



