THE NAUTILUS. XXIX. 



PLATE II. 





6 





:- 



8 



1. ASHMU,NEIA\ DANIELSI PILS. & FERR. 



2. ASHMUNELLA DANIELSI DISPAR P. & F. 



3. ASHMUNELLA PILSBRYI FERRISS. 

 4-8. SONORELLA OF LOWER CALIFORNIA. 



