382 PROCEEDINGS OF THE ACADEMY OF pMay, 



Plate XIX, Figs. 33, 34, 35, 36.— C. subignohilis Pils. Hirado, Hizen. 



Figs. 37, 38.— C. higeneris Pils. Got5, Hizen. 



Figs. 39, 40, 41, 42.— C. agna Pils. Yaku-shima, Osumi. 



Figs. 43, 44.— C. tantilla^Wi. Got5, Hizen. 



Figs. 45, 46, 47, 48.— C. caloptijx Pils. Yaku-shima, Osumi. 



Fig. 49. — C. caloptyx Pils., an obese form from the same locality. 



Plate XX, Fig. 50. — G. aurantiaca Bttg. Ikari, Awaji. 



Fig. 51. — C. aurantiaca Bttg. Nachi, Kii. 



Figs. 53, 53. — 0. aurajitiaca Bttg. Suimura, Awa (Shikoku). 



Fig. 54. — 0. aurantiaca Bttg. Clausilium of a specimen from Obi, 

 Huga. 



Fig. 55. — 0. aurantiaca var. erberi Bttg. Nara, Yamato. The shell 

 is opaque, the palatal armature being represented diagrammatically in 

 this figure. 



Fig. 56. — 0. aurantiaca yar. erberi Bttg. Chikubu-shima, Omi. 



Figs. 57, 58, 59, 60. — C. aurantiaca var. ei'beri Bttg. Kashima, Harima. 



Pigs. 61, 62, 63. — C. aurantiaca var. plicilabris A. Ad. Kashima, 

 near Tauabe, Kii. 



Figs. 64, 65.— C. aurantiaca var. plicilabris A. Ad. Large form from 

 the same locality. 



Plate XXI, Figs. 66, 67, 68, 69.— C. tina Pils. Goto, Hizen. 



Figs. 70, 71.— C. dcemonorum'Pils. Kikaiga-shima, Oshima group. 



Fig. 12. — C. holoti-ema Pils. Nachi, Kii. 



Figs. 73, 74. — C. pigra Pils. Kashima, Harima. 



Figs. 75, 76, 77.— C. dalli Pils. Tairiuji, Awa (Shikoku). 



