163 



I»t h e typeoftllisgenuS(B 



ZgT T h y, : ot noticed by l ™> a » d «-w 



the Czzard by English collector 



Bulla lignaria 



Bulla fasciata 



ampulla 



• ' • • • aplustrc 



striata 



hydatis 



naucum 







cornea 



physfs 



fragilis 



Bulla 



solida. 



LAPLYSIA. 

 ■.ap,. ysia DEPIlANS ._ £ . )m 



Encycl. Method. phte 8S,fy. ,, 8 . 

 The name of this genus was altered b,r m .• 



