C. Broderipii, Qray, Descrip. Cat. p. 3, no. 18. 

 Obs. The only specimen known is in Mr. Cum- 

 ings' Cabinet. 



21 Cyprapa Exanthema, Linn., Encycl. Meth., t. 349. 

 West Indies. 



22 ~ Cervus, Linn., Encycl. Meth., t. 351, f. 3. 



East Indies. 



23 Testudinaria,Zmw., Encycl. Meth., t. 351, 



f. 2. Mauritius. 



24 Talpa, Linn., Encycl. Meth., t. 353, f. 4, 



Indian Ocean, Annaa. 



25 exusta, Conch. Illustr., f. 2*. Persian Gulf. 



Shell oblong-oval, dark brown, beneath pitch 

 black ; extremities rather produced ; teeth very nu- 

 merous, close-set, small, short, particularly those of 

 the columellar lip ; base of the columella white, with 

 two rather obsolete teeth near the anterior extre- 

 mity; teeth dark brown, not extending over the 

 columella, uor over the concavity near its base ; 

 space between the teeth and the fold forming the 

 anterior canal very narrow. Length 2*6, breadth 

 r4. Inhabits the Persian Gulph. 



Ohs. This is the Gyprcea Talpa exustus of Gray'^ 

 i)escr. Catal. p. 4, no. 28. It appears to be quite 

 distinct. 



26 Argus, Linn., Encycl. Method., 350, f. 1. 



Indian Ocean ; Friendly Islands. 



27 Scurra, Chem. Encycl. Meth., t. 352, f. 3. 



Annaa, East Indies. 



28 pulchra, Gray, Zool. Journ., Vol. I. t. 7. 



and 12, f. 9. Persian Gulf. 



