200 VENUS. 



equivoca. 95. Shell sub-orbicular, slightly com- 

 pressed, with angulated diverging ribs ; pos- 

 terior depression lanceolate ; margin cre- 

 nated. 



Venus equivoca. Chemnitz, xi. p. 229. t. 202. f. 1980. 

 Erie. Method, t. 271. f. 3. 



Inhabits the East Indian Seas. Chemnitz. 



Shell about three quarters of an inch long, and the breadth but 

 a little exceeds the length ; of a yellowish white colour ; the 

 ribs are twice divaricated, forming chevrons in the middle, 

 after which they diverge obliquely towards both ends, and are 

 crossed throughout by minute transverse striae. 



divaricata. 96. Shell sub-orbicular, with narrow 

 transversely striated ribs, obliquely divari- 

 cating from the centre; margin crenulated. 



Venus divaricata, Chemnitz, vi. p. 3 17- t. 30. f. 310. Gme- 



iin, p. 3277. Brooks's Introd. p. 66. t. 2. f. 24. 

 Venus incrustata. Born Mus. p. 73. 

 Venus bifida. Solander's MSS. 

 Chamaformis Persicites. Meuschen Mus. Gevers, p. 450. 



No. 1687. 

 Lister Conch, t. 310. f. 146. Enc. Method, t. 271. f.5. 

 Inhabits the East Indies. Lister. Coasts of Ceylon. Chem- 

 nitz. 

 Shell about an inch and a quarter long, and an inch and a half 

 broad ; rather convex, and slightly heart-shaped ; the colour 

 is white, variegated with brown streaks and spots. Born con- 

 dered it to be the Linnzean V. incrustata, but it answers very 

 badly to the description. 



contraria. 97. Shell sub-oval, convex, with 

 oblique curved striae, and the margin crenu- 

 lated. 



Venus contraria. Gmelin, p. 3277. 



Venus divaricata Guinaica. Chemnitz, vi. p. 318. t. 30. f. 



317 to 319. 

 Venus expansa. Solander's MSS. ? 

 Venus, No. 10. Schroeter Einl. iii. p. 158. 

 Paphia undulata. Lamarck Syst. des Anim. p. 120. 

 Mactra. Enc. Method, t. 259. f- 2. 

 Inhabits the coasts of Guinea, and the West Indies. Chem- 

 nitz* 



