TilK NAUTILUS. 105 



and thin, in contact with the preceding whorl for a short distance 

 above. Alt. 5, diaui. 5 mm. 



Toshima, Izii. Types no. 85755 A. N. S. P., from no. 1133 of 

 Mr. Hirase's collection. 



This species is larger and more conspicuously fringed than J. 

 sadoensis, and darker colored. It does not correspond to any of 

 the s[)ecies described by Gould. 



Ealota (^Aegistn) kohensis var. discus n. var. 



This form is almost Jlut above, though the individual whorls are 

 convex. The last whorl is angular at the shoulder, and very convex, 

 beneath. The umbilicus is extremely wide and shallow, its width 

 contained 2\ times in that of the shell. 



Alt. 5.5, diam. 17, width of umbilicus 7 mm.; whorls 5^. 



Alt. 6, diam. 16. width of umbilicus 6 mm.; whorls 5^. 



Amasaki, prov. Tosa. Types no. 85770 A. N. S. P., from no. 

 1108 of Mr. Hirase's collection, 



Eulota ( Eulotella) commoda var. izuensis n. var. 



The shells of this race are similar to E. commoda from Kayabe, 

 Ojima except in having a much narrower umbilicus. Alt. 5.5, 

 diam. 7, umbilicus 1 mm. wide. 



Oshima, Izu. Types no. 85790 A. N. S. P., from no. 1138 of Mr. 

 Hirase's collection. 



Eulota {Plectotropis^ shikokuensis var. hadalca n. var. 



Differs from Plectotropis shikokuensis by having comparatively 

 few long low tubercles in place of the dense clothing of scales of 

 shikokuensis, and there is no peripheral fringe. 



Irazuyama, Tosa. Types no, 85802 A. N, S. P, from no, 1099 

 of Mr. Hirase's collection, (^ffadokn, naked.) 



Eidota endo n. sp. 



Shell narrowly umbilicate, depressed-globose with low conic spire; 

 chestnut l)rown, glossy, smooth except for slight growtii-liiies. Spire 

 conoidal, the apex obtuse. Whorls 5, slowly and gradually increas- 

 ing, a little convex, the last convex peripiierally, very slightly de- 

 scending in front. Aperture oblicpie, rounded-lunate, the peristome 

 thin, narrowly expanded, the coUimelhir margin dilated and white. 

 Alt. 5.7. diam. 7 mm. 



