170 LITTORINIDJ!. 



Long. 2 J, diam. 1| mil. 



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

 detect no dilierence whatever from the typical form, except its 

 smaller size, possibly the last whoi'l is less ventricose and the 

 aperture a trifle less everted ; sculpture precisely similar. 



Sub-Genus GOTTOINA, A. Adams. 

 P. Zool. S. 1863, tt/fies G. sulcifera and pyrgula, A. Adams. 



7. Conradia [Gottoina] pyrgula. 



Gottoina pyrgula, A. Adams, P. Zool. S. 1863, Gotto, at 48 fthg. 

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



Long. 2\, diam. 1 mil. 



Not impossibly a Rissokl, near Alvania ? 



8. Conradia [Gottoina], n.sp. 



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



? Genus RAULINIA, Mmjer. 

 J. de C, 1864, type Tontatella alligata, Desli. {uiiper tertian/ foss.) 



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

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

 also believes that Littorina monodonta, 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 [?]. 



Citbna globosa, A. Adams, P. Zool. S. 1863, Seta- Uchi, S;c. 

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



