FOSSILS FROM THE ENVIRONS OF TOKYO. 21 



Brauns called the specimens here referred to " Trichotropis 

 coronaia Gld." but this Gould's species is distinguished from 

 T. unicarinata Brod. by having a narrower keel at the upper 

 angle of the last whorl. 



Trichotropis is known as living in the Arctic Seas. 



Shinagawa and Oji (rare). 



Living : Hakodate and Yamada Harbour. 



EULIIYIID/E. 



49. EULIMA LEVIS Tok. 



PL I. Fig. 39. 



Shell small, white, polished, elongated and tapering ; whorls 

 smooth, flattened; suture ill defined, scarcely distinct; aperture 

 longly oval, acuminated at the upper part ; outer lip straight ; 

 inner lip slightly reflected ; not umbilicated. Height 7"'^", 

 breadth 1.5'""'. 



Oji (rare). 



50. El LIMA OVALIS Tok. 

 PI. I. Fig. 40. 



This small shell is distinguished from the preceding species 

 by its general form which is more ovate being 5""" in height 

 and l.o""" in breadth. Other characters are similar to the 

 preceding. 



Tabata (rare). 



TURBONILLID/E. 



51. TIKHOMLLA afi. ELEGANTISSTMA Mont. 



PI. I. Fig. 41. 



Brauns, Geol. Euv. Tokio, p. 32. — Tryon, Man. Couch., VIII., p. 322. 

 — Wood, Crag Moll., SuppL, p. 184. 



