CEYLON PEARI OYSTF.R WKPOKT 



CUMACEA, PLAIT. II! 



W T C. ielt 



M'F.r]ane ^Erslime 



Figs. 39-53, Cyclaspis costata. Figs. 54,55, Cyclaspis pictx. Figs 56-59, Cyclaspis herdmani 



