Illustrated Index of British Shells / Containing figures of all the recent species

by G. B. Sowerby

PLATE XVI.

Chemnitzia.

Fig.

01. C. elegantissima, Mont. (Turbo.)—T. lacteus, Linn.?, T. acutus.—Brit. co. generally; not deep, C. Interstices of longitudinal ribs smooth.

02. C. simillimus, Mont. (Turbo.)—C. gracilis, Phil. More slender and minute than f. 1.

03. C. pusilla, Phil. Moll. Sic. 2. p. 224. pl. 28. f. 21.—More stout than f. 1, with the ribs straight and broad. Medit., Brit.?

04, 5. C. rufa, Phil.—And var. C. fulvocincta (f. 5).—Brit. co. generally, 15 to 50 fath., Mc. Spiral grooves between ribs.

06. C. formosa, Jeffreys, (Odostomia.)—Swansea, Shellness, Bantry Bay, etc., Mr. Grooved between ribs, excavated at suture.

07. C. fenestrata, Forbes and Jeffr. (Odostomia.)—Torbay, etc., R. With pits between spiral ridges.