652 PROCEEDINGS OF THE ACADEMY OF [Dec., 



C. AUKANTIACA Bttg. " Interior of Nippon" (Rein); Kobe 



^Schmacker) ; Nachi, Kii, Ikari, Awaji, and Suimura, 



Awa (Hirase). 

 Var. HYPOPTYCHIA Pils. Kashima, an island near Tanabe, 



Kii (Hirase). 7 

 Var. ERBERI Bttg. (minor Mlldff.). Nara, Nohara and Gojo, 



Yamato; Chikubushima, inLakeBivva; Kashima, Harima; 



Tomisato, Aiga, and Kurozu, Kii (Hirase). 



Group of C. bilabrata. 

 C. PLICILABRIS A. Ad. Tanabe, Kii. (Subgeneric position 



doubtful. ) 

 C. BILABRATA Smith. Kobe, type locality; southern half of 



Nippon ; Shikoku, Kiushiu and Iki Islands. 

 Var. PTYCHOL^EMA Bttg. *' Seluchi, between Hinga and 



Bugo" (Rein). 



C. OSCARIANA Pils. Fukuregi, Higo, Kiushiu (Hirase). 

 C. SURUGENSIS Pils. Mikuriya, Suruga (Hirase). 



Group of C. tanegashimce. 



C. OXYCYMA Pils. Kagoshima, Satsuma, in southern Kiushiu 



(Hirase). 



C. TAKEGASHIM.E Pils. Tane-ga-shima and Yaku-shima, Osumi 

 (Hirase). 



Section LUCHUPILEDUSA Pilsbry. 



C. CALLISTOCHILA Pils. Prov. Kunchan, Okinawa (Hirase). 



C. MIMA Pils. Oshima, Riukiu Islands (Hirase). 



C. NESIOTHAUMA Pils. Oshima, Riukiu Islands (Hirase). 



C. OSHIM^E Pils. Nase, Oshima (Hirase). 



C. PSEUDOSHIMJE Pils. Furuniya, Oshima (Hirase). 



Section STEREOPH^DUSA Bttg. 



Group of C. valida. 

 C. VALIDA Pfr. Okinawa. 



Var. FASCIATA Sykes. Okinawa. 



Var. PERFASCIATA Pils Prov. Kunchau, Okinawa. 



Var. STRIATELLA Pils. Okinawa. 



'Larger than aurantiaca, with narrower, less developed lip, more whorls, 

 and several plica in the subcolumellar region. 



