Plate IV11 



l ^-,i. v-n ttJLXXz sz*^ 



IGtthere albc-T.-aniiata- . 2. . Gypridxna. 1/Taceaidrea , a, shell,!), seminal 3.Cydops 

 C[uadiicarnis / a / Tnale / ~b .female, c ; oL, larvae . 4-Dia^ptjormas Caustor. 



