GASTEROPODA. 45 
TRICHOTROPIS BOREALIS, Brod. et Sow. Gould, 300, f. 
207.— Corall. From Cape Cod northward. West 
Isles, near Eastport, in 20 f. gravel, (W. 5.) Isles 
of Shoals, in 15 f. (Wh.) 
CERITHIOPSIS TEREBELLUM, St. Cerithium terebrale, 
Ad. Gould, 276, f.181. (preoc.) C terebellum, Ad., 
Cat. Coll. — Lamin. From Buzzard’s Bay south- 
ward. An examination of the animals leads me to 
place this and the succeeding species in the genus 
Cerithiopsis, established by Forbes and Hanley in 
February of this year, for the zodphagous Cerithia. 
C. Eversonu, St. Cerithium Emersonii, Ad. Gould, 
275, f. 180.— Lamin. From Buzzard’s Bay south- 
ward. 
MURICIDZ. 
RanELua caupaTa, Say. Gould, 297, f. 204. — Lamin. 
From Buzzard’s Bay southward. 
Purpura Lapitius, Lam. Gould, 301. Buccinum la- 
pillus, Lin. — Litt. Whole Coast. 
Nassa TrivitTaTa, Say, 1821. Buccinum trivitiatum, 
Ad., 1888. Gould, 309, f. 211.— Lamin. Whole 
Coast. 
N. visex, Say, 1821. Buccinum vibex, Ad., 1838. 
Gould, 310, f. 212.— Lamin. From Cape Cod 
southward. 
N. ogsoteta, Say, 1821. Buc. obsoletum, Ad. Gould, 
308, f. 210. — Litt. Whole Coast. 
Buccrnum unpatum, Lin. Gould, 305.— Lamin. Co- 
rall. Whole Coast. Eastport at low water, plenti- 
