876 



ter granulosa, alba, vel rosea, vel cinerea, vel fusco fasciata, varici- 

 bus albis. 



This little species differs from C. gibberulum in being so much 

 more finely sculptured in proportion to its size. Hab. Gallapagos 

 Islands. 



118. Cerithium gibberulum (pi. clxxxiv. f. 210, 211), C. 

 B. Adams. 



Cerith. testa pupfeformi, turrita, fusco-grisescente vel nigra, 

 varicibus albis, longitudinaliter costata et spiraliter sulcata ; aper- 

 tura parva. 



Very small and rather long, white, or nearly black, with white 

 varices, having longitudinal ribs crossed by raised lines. Coast 

 of North America. 



119. Cerithium tenue (pi. clxxxiv. f. 212), Nobis. 



Cerith. testa parva, elongata, alba, ad suturam et inferne fusca, 

 longitudinaliter rugoso-costata, spiraliter undulatim costata; an- 

 f ractibus numerosis ; spirit elongata ; apertura parva. 



A very small, white, roughly ribbed shell, with a band of brown 

 at the suture, and another at the lower part of each whorl. Port 

 Lincoln. (Mus. Cuming and Hanley.) 



120. Cerithium lacteum (pi. clxxxiv. f. 213, 214), Kiener, 

 Sp. Coq. pi. 7. f. 3. 



Cerith. testa pupajformi, alba, spiraliter minute granoso-striata ; 

 apertura parva. 



Puppeform, white, tapering at the apex, minutely crossed with 

 grained raised lines. Island of Ticao, Philippines, H. Cuming. 



121. Cerithium papillosum (pi. clxxxiv. f. 215), Nobis. 



Cerith. testa pallida, minute granulata, elongata, medio sub- 

 ventricosa ; anfractibus numerosis, paululum inflatis, longitudina- 

 liter crebre plicatis, spiraliter seriebus sex granulosis, granulis 

 rubro punctatis ; apertura parva. 



Pale, small, popteform, with minute reddish dots at the back of 

 each granule. Mr. Hanley's collection. 



122. Cerithium lnterstriatum (pi. clxxxiv. f. 216), Nobis. 



Cerith. testa pyramidali, pallida, fusco pallide variegata, alterna- 

 tim costulis granosis et lineis elevatis lsevibus spiraliter cincta ; 

 anfractibus subplanulatis ; apertura rotunda ; labio cxtenio ex- 

 panso ; canali brevi, valido. 



