MUSEUM OF COMrARATIVE ZOOLOGY. 



SYSTEMATIC LIST OF SPECIES 



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

 referred to for purposes of illustratioD, etc.] 



Class GASTROPODA. 

 Subclass ANISOPLEURA. 



Order OPISTHOBRANCHIATA. 

 Suborder TECTIBRANCHIATA. 



Family ACT^ONID^. 

 Genus ACT^EON Montfort. 



Actseou 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 OVULACT^ON Dall. 

 Ovulactaeon Meekii Dall. 



Family RINGICULID^. 



Genus RINGICULA Deshates. 



Section RINGICULINA Monterosato. 



Ringicula nitida Verrill. 

 Ringicula floridana Dall.* 

 Ringicula floridana var. Guppyi Dall.* 



