THE NAUTILUS, XXII. 



PLATE VIII. 



... 





' 



3 



1,2,3, ASHMUNELLA KOCHII CLAPP. 4, BIF1DARIA CLAPP1 STt-RKI. 

 5, 6, HOLOSPIRA BARTSCHI P. & C. 7, BIFIDARIA BILAMELLATA 



STERK1 & CLAPP. 



