THE NAUTILUS. 117 



oblique streaks indicating places of growth-arrest. Sculpture of 

 irregular, rough and coarse wrinkles in the direction of growth lines, 

 and under the lens, irregular fine spiral lines are seen. The spire 

 is much smoother than tlie last whorl. Whorls about 6, moderately 

 convex, regularly increasing, the las^t rounded peripherally, not de- 

 scending in front. Aperture not very oblique, lunate, white and 

 conspicuously banded within. Lip broadly reflexed, strengthened by 

 a narrow callous ridge within, the face flat or concave, the thin outer 

 portion dark flesh colored, the ridge lighter or white. The peri- 

 pheral band extends to the lip-edge. 



Alt. 20.5, diam. 26.5 mm. 



Alt. 19.5, diam. 25 mm. 



Kunashiri Island, in the Chishima (Kuril) chain. Types no. 

 86324 A. N. S. P., from no. 1153 of Mr. Hirase's collection. 



This fine Euhadra, of a type unknown in the main island of Japan, 

 is the first to be reported from the Kuril chain. Other land shells 

 from Kunashiri will be described in a future communication. 



Vitrea radiatula var. radiata n. var. 



This variety is smaller than radiatula, and of a pale reddish-brown 

 tint, not greenish. It is decidedly larger than V- radiatella (Reinh.), 

 and less depressed. Alt. 2, diam. 4 mm. 



Toya, Kuziro, in eastern Yesso (Hokkaido). Types no. 85788 

 A. N. S. P., from no. 1147 of Mr. Hirase's collection. 



Alycoius awaensis n. sp. 



This shell is larger and more elevated than A. reinhardti, pale 

 brown. Sculptured with spaced riblets, which on the swollen last 

 half whorl became fine and densely crowded. The neck is moder- 

 ately contracted and smooth. The aperture is circular, lip thin, nar- 

 rowly reflexed. There are sometimes some spiral striae on the spire, 

 not visible in all specimens. Alt. 3.8, diam. 2.6 mm. 



Hiyama, Awa, Island of Shikoku. Types no. 84958 A. N. S. P., 

 from no. 1083 of Mr. Hirase's collection. 



Succinea ikiana n. sp. 



A species of the S. avara group, but more solid that that species 

 and of a bright amber color. Wliorls 3, very convex and parted by 

 deep sutures. Sculpture of irregular, coarse wrinkles. Aperture 

 ovate, the upper insertion of the outer lip arcuate. 



