170 LITTORINIDiE. 



Long. 2J, diam. IJ mil. 



After a long and careful examination under a lens, I can 

 detect no ditference whatever from the typical form, except its 

 smaller size, possibly the last whorl is less ventricose and the 

 aperture a trifle less everted ; sculpture precisely similar. 



Sub-aenus OOTTOINA, A. Adams. 

 P. Zool. S. 1863, types G. sulcifera and pyrgula, A. Adams. 



7. Conradia [Gottoina] pyrgula. 



Gottoina pyrgula, A. Adams, P. Zool. S. 1863, Gotta, at 48ffh». 

 1 Japan ; ex c. H. Adams, Esq. 



Long. 2J, diam. 1 mil. 



Not impossibly a Eissoid, near Alvania ? 



8. Conradia [Gottoina], n.sp. 



1 Galle; coll. J. B. Baxter, Esq. 



? Genus RAULINIA, Mayer. 

 J. de C, 1864, type Tornatella alligata, Desh. {upper tertiary f ass.) 



Baulinia hadia, Tenison-Woods, P. Linn. Soc, 'N. S. W., Port 

 Jackson (recent), is said to belong to this genus ? M. Mayer 

 also believes that Littorina monodonttiy Desh. (chalk foss.), be- 

 longs here. 



Not represented in the Museum. 



[?] Genus CITHNA, A. Adams. 



P. Zool. S. 1863, types C. globosa, and C. spirata, A. Ad., as a Sub-genus of 

 Conradia. 



1. Cithna globosa [?]. 

 Citlma globosa, A. Adams, P. Zool. 8. 1863, Seto- UcU, S^c. 

 1 Japan ; ex c. Dr. F. Stoliczka. 



