MUSEUM OF COMPARATIVE ZOOLOGY. 197 



Section Rhinoclama DaU and Smith. 

 Leiomya (RMnoclama) halimera DalL* 



Subgenus TROPIDOMYA DaU and Smith. 

 Tropidomya abbreviata Forbes.* 



Subgenus HALONYMPHA Dall and Smith. 

 Halonympha claviculata DalL 



(Genua?) MYONBRA DaUandSmiti. 



Myonera paucistriata Dall 

 Myonera undata Verrill. 

 Myonera lamellifera Dall. 

 Myonera limatnla Dall. 

 Myonera laticella Dall.* 



Family ANATINID.^. 

 PERIPLOMA Schumacher. 



Periploma fragilis Totten.* 

 Periploma papyracea Say. 



THRACIA Leach. 



Thracia Stimpsoni Dall.* 

 Thracia corbuloidea Blainville.* 

 Thracia distorta Montague.* 

 Thracia pheuseoUna Lamarck. 



ASTHBNOTH^RUS Carpenter. 

 AsthenothaeruB Hemphillii DalL 



Subgenus BUSHIA DaU. 

 Bushla elegems DalL 



Family PANDORID^ 

 PANDORA Hwass. 



Subgenus CLIDIOPHORA Carpente*. 

 Clldlophora carolinensis Bush. 

 Clidiophora trilineata Say.* 

 Clidiophora Qouldiana DalL* 



Subgenus PANDORA s. s. 

 Pandora (Kennerlia) Bnshiana Dall.* 



