THE OSTRAC(JI)\ 



>! I 



31 (30) Furca normal, with two spines and tw., Mia. , l-.^. , ,r. j /. 



32 (33) Second segment of first leg with two seta, on unlcr.or „uirg,n ^t^. 



1260 d). Three spmes on first maxillary pr.Kc-vs ^ 



C hhuuxdotltcca Sau&sure iS : 



33 (32) Second segment of first leg with one seta <,„ anterior margin (KIk 



12// 6). Two spmes on first maxillary pnKrt-is 



Hcrpctocypris Hrady .md Norman i8h 



34 (35) Shell plain, no special markings of any sort. Seen from above the 



shell is decidedly wedge-shaped anteriorly (Fig. ,,fx)). ' 



Chlamydotltcca aitcka SauMurc 1858. 



Lcnjs'th T,.\o mm . Im i.-- ■ 

 breadth 1.80 mm. N< ' 

 of the largest siktocs «.i 

 Natatory setae of th. 

 reach to tijw of tcrmin.i 

 known. Sirn from .: 

 rnuch more we<li,'«'-sh.i;. 

 C. mixicana. It al>-. 



stri|x-s in the shell. Fu: 



about 18 times as Iopk .1 

 faintly pectinate on the di .• 

 Texas, Mexico. Ditchi-i an«i j.. i< 

 tober. 



Fig. ij6o. 

 Chlamydothfca aUtka. (d) Side ^-icw, X«$, 

 (b) Dorsal view; (c) Fuica. X IVK U) Fml 



ICK, X US. 



35 (34) Shell with semicontorted and radially arranged colored Iwinds. 

 Shell more tumid from above (Fig. 1 'f>! 1 -h 



36 (37) Shell with at least six sinuous radiating dark-green baml.s on its 

 sides C/iliimydol/nrii htrruki Turner iSq^, 



LenRth .vcx> i: 

 width 1.4 < mm. I 

 sinuous and radi.i 

 bands. Claws of J»f>; 

 smooth. Termiiul ila 

 as lonjr as entire I' 1' 

 h.df the dor<il i 

 twenty times as 

 canal basin. Ohi-i 



Fir.. 1 161. 



Chlamydotketa ktmtki. («) SiAt rifw. X tf; 



(6) Donalvif*: •> K»r«» • too. 



