U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 93 PLATE 20 



i 



NEW ANTILLEAN MOLLUSKS. 



Pusiolina aresta; 2, Pyrgocythara filosa; 3, Halopsephus -pulcher; 4, Peristichia agria Dall; 

 5, Fenimorea moseri brunnescens; 6, Microdochus floridanus; 7, Rissoella (Phycodrosus) 

 caribaea; 8,Fartulum nebulosum; 9, Caecum (Caecum) cayosense; 10. Halopsephus pulcher 

 (operculum); 11, Psarostola monilifera sparsipunctata; 12, Pusia hendersoni; 13, Crepi - 

 iacella vestalis; 14, Pusia epiphanea; 15. Crassispira {Crassispirella) mesoleuca; 16, Oocorys 

 bartschi; 17, Bartschia sivnificans. 



