1901.] NATURAL .SCIENCES OF PHILADELPHIA. 649 



C. HICKONIS Bttg " Interior of Nippon " (Rein). 



Var. BINODIFERA Bttg. "Interior of Nippon " (Rein). 

 C. NOLANI Pils. Fukura and Ikari, Awaji (Hirase). 

 C. GRACILISPIRA Mlldff. Near Kobe, Setsu. 

 C. CARYOSTOMA Mlldff. Kobe, Setsu. 



Var. JAYI Pilsbry. Jo, Kii (Hirase). 

 C. TOSANA Pils. Ushirohawa, Tosa, and Nametoko, Iyo, 3 Shikoku 



Island. 

 C. GRACIJE Pils. Nachi, Kii (Hirase, No. 794). 



Group of C. sublunellata. 



C. SUBLUNELLATA Mlldff. Nikko Mountains (Hungerford). 

 C. HETEROPTrx Pilsbry. Toraisato and Nachi, Kii (Hirase). 

 C. OPE AS Mlldff. Nikko Mountains (Hungerford). 

 C. MICROPEAS Mlldff. Nikko (Hungerford) ; Mikuriya, Suruga 



(Hirase). 



Var. PERPALLIDA Pils. Nishigo, Uzen. 

 Var. HOKKAIDOENSIS Pils. Kayabe, Ojima, Hokkaido. 

 C. SUBULIXA Mlldff. Nikko Mountains and Lake Chusenji, 



Shimotsuke. 

 Var. LEUCOPEAS Pilsbry. Ikoma and Samotonakamura, Kii 



(Hirase). 

 C. SERICIXA Mlldff. Lake Chusenji, Shimotsuke and Yumagaai- 



shi (Hungerford). 

 Var. RHOPALIA Pilsbry. Mikuriya, Suruga (Hirase). 



Group of C. hyperolia. 



C. HYPEROLIA v. Mart. Uweno, near Yeddo (Hilgendorf, type 



locality). Oshima, Izu ; Mikuriya, Suruga (Hirase). 

 Var. RECTALUNA Mlldff. Kamatokogiro. 

 Var. APTYCHIA Mlldff. Hakone and Chusenji. 

 Var. PLANULATA Mlldff. Kobe. 



Group of C. aivajiensis. 



C. AWAJIENSIS Pils. Fukura, Awaji. 



C. HARIMENSIS Pils. Kashinia, Harima; Shirono, Buzen. 



3 In the specimens of C. tosana from Nametoko, lyo, the intermediate 

 palatal plicae coalesce to form a somewhat I-shaped lunella. They are a 

 transition form to the group of C. aulacophora. 



