PLATE 8. 



Fis- 1. R'-con-ilnidion ol' iuitcrior oml of Hprponienia plalyiioila. 



Via,. 2. Same of aiitrrior end of Strophoiiionia spinosa, small sperimcn. 



Fig;. 3. Same of posli'rior end of HiTpomcuia platypoda. 



Fiji;- ^• Same of anlorioi' cuil of rroiicomt'.nia insularis. 



Fii;. ■). Same of aiiliTior end of Slropluimenia opliidiana. 



V\!i. (). Same of po-<lerioi- end of Lopliomenia spiralis. 



