1901.] NATTKAL S< IKNTKS (F I'l I I I. A I III. I'll I A . 649 



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



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

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

 C. GKA< ILISPIKA Mlldff. Near Kobe', Setsu. 

 C. CARYOSTOMA Mlldff. Kobi : , Setsu. 



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

 C. TOSANA Pils. Ushirohawa, Tosa, and Nametoko, Jyo,*Shikoku 



Island. 

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



Group of C. sublunellata. 



C. SUBLUNELLATA Mlldff. Nikko Mountains (Hungerford). 

 C. HETEROPTyx Pilsbry. Tomisato and Nachi, Kii (Hirase). 

 C. OPEAS Mlldff. Nikko Mountains (Hungerford). 

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



(Hirase). 



Var. PERPALLIDA Pils. Nishigo, Uzen. 

 Var. HOKKAIDOENSIS Pils. Kayabe, Ojima, Hokkaido. 

 C. HUBULINA Mlldff. Nikko Mountains and Lake Chusenji, 



Shimotsuke. 

 Var. LEUCOPEAS Pilsbry. Ikoma and Samotonakamura, Kii 



(Hirase). 

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



shi (Hungerford). 

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



Group of C. hyper olia. 



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



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

 Var. RECTALUNA MJldff. Kamatokogiro. ' 

 Var. APTYCHIA Mlldff. Hakone and Chusenji. 

 Var. PLANULATA Mlldff. Kobe. 



Group of C. awajiensis. 



C. AWAJIENSIS Pils. Fukura, Awaji. 



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



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

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

 transition form to the group of C. aulacophora. 



