1904.] NATURAL SCIEN'CES OF PHILADELPHIA. 633 



Kaliella kikaigasMmse n. .'ip. 



Shell imperforate, thin, pale yellowish, somewhat translucent, 

 glossy; trochiform, the outlines of the spire nearly straight, the periph- 

 ery rounded, and the base convex. Whorls nearly 5, convex, parted 

 by a deeply impressed suture. Aperture broadly crescentic, the colu- 

 mella subvertical, "^dth reflexed edge. 



Alt. 3, diam. 3.5 mm. 



Kikaiga-shima, Osumi. Types No. 87,578, A, N. S. P., from No. 

 1,063 of Mr. Hirase's collection. 



This species is quite unlike any reported hitherto from the Riukiu 

 Islands. It is much larger than K. bimaris, the most nearly related 

 of the Riukiu species, the color is paler and the aperture a more ample 

 crescent. It is the first Kaliella to be found on Ivikaiga-shima. 

 Kaliella humiliconus n. sp. 



Shell perforate, amber-colored, somewiiat dull above, glossy beneath; 

 conic above the spire with nearly straight, slightly convex lateral out- 

 lines and obtuse apex, the periphery carinate, base convex. Whorls 

 5^, convex, separated by an impressed sutm-e. Aperture truncate- 

 crescentic, the columella vertical, its edge dilated and reflexed. 



Alt. 2.6, diam. 3.6 mm. 



Gokashomura, Ise. Types No. 87,928, A. N. S. P., from No. 1,169 

 of Mr. Hirase's collection. 



This species is closely related to K. sororcula, but is smaller and has 

 a vertical, not sloping columella. It is not so elevated as K. higash- 

 iyamana. 



Kaliella okiuoshimana n. sp. 



Shell imperforate, trochoidal, elevated, amber colored, subtrans- 

 lucent, glossy. The outlines of the spire are very slightly convex^ 

 nearly straight. Apex obtuse ; the periphery has a delicately project- 

 ing acute keel, and the base is convex. Whorls 6^, slightly convex. 

 Suture narrowly margined above. The aperture is squarish-oblong, a 

 little curved. Columella short, subvertical, with dilated edge. 



Alt. 4, diam. 4,7 mm. 



Okinoshima, Tosa. Types No. 87,929, A. N. S. P., from No. 1,182 

 of Mr. Hirase's collection. 



This species stands near K. sororcula, but it has a more glossy surface 

 and the columella is vertical. It is a larger and more elevated shell 

 than K. humiliconus. 



Kaliella bimaris n. sp. 



Shell small, subperforate, brownish-yellow, rather dull above, glossy 

 beneath; trochiform, the outlines of the spire slightly convex, the 

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