BULLETIN OF THE 



Family TORNATINID^E. 



Genus TORNATINA A. Adams. 



Subgenus COLEOPHYSIS Fischer. 

 Coleophysis perplicatus Dall. 



Subgenus CYLICHNELLA Gabb. 

 Cylichnella bidentata Orbigny. 



Genus UTRICULUS Brown. 



Utriculus Mayoi Dall.* 



Utriculus Frielei Dall. 



Utriculus vortex Dall. 



Utriculus (vortex var. ?) domitus Dall. 



Utriculus pervius Dall.* 



Subgenus RETUSA (Brown) Morch. 



Retusa ovata Jeffreys.* 

 Retusa obesiuscula Brugnone.* 



Genus VOLVULA A. Adams. 



Volvula acuta Orbigny. 

 Volvula oxytata Busb.* 

 Volvula Bushii Dall* 

 Volvula aspinosa Dall.* 



Family SCAPHANDRID^E. 



Genus SCAPHANDER Montfort. 



Scaphander punctostriatus Migbels, var. clavus Dall. 

 Scaphander Watsoni Dall. 



Subgenus SABATIA Bellardi. 

 Sabatia bathymophila Dall. 



Genus ATYS Montfort. 

 Atys Sandersoni Dall. 



Genus CYLICHNA Loven. 

 Cylichna Verrillii Dall.* 



