MUSEUM OF COMPARATIVE ZOOLOGY. 



SYSTEMATIC LIST OF SPECIES. 



[Species marked with an asterisk were not contained in the Blake Collection, or are 

 referred to for purposes of illustration, etc.] 



Class GASTROPODA. 

 Subclass ANISOPLEURA. 



Order OPISTHOBRANCHIATA. 

 Suborder TECTIBRANCHIATA. 



Family ACT^ONIDJE. 

 Genus ACTION Montfoet. 



Actaeon exilis Jeffreys.* 

 Actaeon pusillus Jeffreys. 

 Actaeon punctostriatus Adams.* 

 Actaeon Cumingii A. Adams.* 

 Actaeon delicatus Dall. 

 Actaeon melampoides Dall. 

 Actaeon perforatus Dall. 

 Actaeon Danaida Dall. 

 Actaeon incisus Dall. 



Genus OVULACTJEON Dall. 

 Ovulactaeon Meekii Dall. 



Family RINGICULID^. 



Genus RINGICULA Deshates. 



Section RINGICULINA Monterosato. 



Ringicula nitida Verrill. 

 Ringicula floiidana Dall.* 

 Ringicula floridana var. Guppyi Dall.* 



