190].] NATURAL SCIENCES OF PHILADELPHIA. 655 



Species of unknoivn suhgeneric positio)i. 



The following forms have been too imperfectly characterized to 

 permit their reference to siibgeneric groups: 

 C. ciNCTicoLLis Ehrmann. Province Tosa, Shikoku. 

 C. CRASSiLAMELLATA Ehrmann. Province Tosa, Shikoku. 

 C. GouLDii A.. Adams. Tago. 

 C. IJIM.E Ehrmann. Province Tosa, Shikoku. 

 C. LiRULATA A. Adams. Mososeki. 

 C. XODULIFERA V. Mart. Nippon, probably from near Yeddo 



(Donitz). Based upon a single, perhaps abnormal, 



specimen. 

 C. PiNGUis A. Adams. Kiuo-o-sima. 

 C. PROBA A. Adams. Kino-o-sima. 

 C. SPRETA A. Adams. Tago. 

 C. STENOSPIRA A. Adams. Kino-o-sima. 

 C. sriMPSONi A. Adams. Tsu-sima and Awa-sima. 



APPENDIX. 



The following species have been received since the preparation 

 of the foregoing list, bringing the, number of I'ecognized species to 

 99, with 37 subspecies or varieties ; exclusive of 11 species of inde- 

 terminate position, enumerated above. 



Section HEMIPH.EDUSA Bttg. 



C. !?UBiGNOBiLis Pils." Hirado, Hizen (Y. Hirase). 

 C. TANTILLA Pils.'° Goto, Uzen (Y. Hirase). 



' O. snbignobilis n.sp. Rather stout, fusiform, light brown, lightly 

 striate, compoieil of 9^ \vhorls. Spire strongly attenuated above, the apex 

 small. Aperture subfrapezoidal, the lip reflexed and thickened. Superior 

 lamella rather small, infeiior very deeply receding, subcolumeliar emerging. 

 Principal plica rather short. Lunella lateral, arcuate or bow-shaped. 

 Length 15, diam. 3.3 mm. Like C. ignobilis Syke.-;, but with smaller 

 tarly whorls. 



^° 0. tantllla n.sp. Small, brownish, fusiform, striatulate, the last 

 whorl distinctly striate ; whorls 8, the second nither large. Apertun* 

 small, squarish-ovate, the lip well retiexed, somewhat thickened. Superior 

 lamella small, iuferior deeply receding, subcolumeliar either immersed or 

 emerging. Luuella oblique, united above with the middle of a short upper 

 palatal plica. Length 9.5, diam. ?..5 mm. 



