CHAROPA. 215 



C. AULOPSIS, Benson. PL 63, figs. 72, 73. 



Perforate, obliquely minutely striulate, with very close spiral 

 lines, translucent, somewhat shining, light corneous, becoming 

 reddish towards the apex ; whorls 5, periphery carinated. 



Diam. 12 mill. 



Port Blair, Andaman Is. 



C. LIRATULA, Pfr. PL 63, figs. 74, 75. 



Narrowly umbilicated, rather thin, striated, with thread-like 

 spiral line, diaphanous, somewhat shining, light yellowish corne- 

 ous ; whorls 7J,the last angulated, base smoother. Diam. 6 mill. 



Ceylon, alt. 6000 ft. 

 C. DELTA, Pfr. PL 63, fig. 76. 



Subcovered perforate, rather thin, opaque, striulate and foveo- 

 late, flesh white ; whorls 6, periphery rather acutely carinated. 



Diam. 8 mill. 



Australia. 

 C. conoidea and C. fenestrata, Cox, are synonyms. 



Unfigured Species of Thalassia. 



C. CHORD ATA, Pfr. New Zealand. 



C. ANNULUS and C. SAPPHO, Brazier. New Guinea. 



C. UNISULCATA, Mousson (C. laqueata, Baird). Viti Islands. 



C. WATEHHOUSEI, Cox ( C. subangulata, Ad. & Ang.). Australia. 



C. EXSERTA, Pfr. Sandwich Is. 



C. MICROCONUS, Mousson. Viti Islands. 



C. FLOSCULUS, Cox. Norfolk Isl. 



C. GAYNDAHENSIS, Brazier. Gayndah, Queensland. 



C. PROPINQUA, Hutton. New Zealand. 



C. OBNUBILA, Reeve (syns. H. igniflua, Reeve, and H. sigma and 

 H. lambda, Pfr.). This species, with synonyms as above, 

 is included by Prof. Hutton in the New Zealand species of 

 Thalassia. I have described them in Paryphanta, vol. i, 129. 



