TROCHUS. 763 



Le Cardinal. Favanne, n. p. 368. f. 13. f. C. 

 Bonanni Rec. and Kirch. 3. f. 96. Lister Conch, t. 632, 

 f. 20. GMfl/^e;-, t. 61. f. D. Gere. t. 8. f. 58. Regen- 

 fuss, ii. t. 4. f. 30. 



Inhabits the coasts of America and Asia. Litmaus. Molucca 

 Islands. Favanne. Madagascar. Humphreys. 



Shell about an inch and a half, or sometimes two inches long, 

 and an inch and a quarter, or an inch and a half broad at the 

 base ; it is rather ponderous, and has nine whirls covered 

 with tubercles of different sizes ; the colour is sometimes 

 greenish white mottled with red, or green with chestnut 

 spots, and the summit is generally more or less spotted with 

 crimson. 



ALVEARE. 6. Shell conical, longitudinally plaited, 

 and irregularly granulated transversely ; aper- 

 ture rhomboidal, and the pillar toothed. 



Trochus Alveare. Gmelin, p. 3570. Schreibers Conch, i. 



p. 251. 

 Trochus fenestratus. Chemnitz, v. p. 85 and 87. t. l68. f. 



1619 and 1622. 

 Trochus vellicatus. Meuschen Mus. Gevers. p. 286. No, 



435. 

 Trochus, No. 44, and No. 47. Schroeter Einl. 1. p. 697, 



and p. 699. 

 Le Sabot boutonne. Favanne, ii, p. 369- 

 Gualter, t. 60. f. P. Regoifuss, ii. t. 5. f. 45, 

 Inhabits the coasts of the Moluccas, and the Isle of France, 



Favanne. 

 Shell about an inch and a half long, and the diameter at the 

 base rather exceeds the length ; the colour is whitish mottled 

 with pale green, or sometimes with reddish brown, and the 

 summit is often dotted with crimson ; it is slightly ribbed or 

 plaited longitudinally, and has eight or nine whirls, with four 

 transverse rows of granules on each, of which the lower ones 

 are largest. 



CONCAVUS. 7. Shell conical, with longitudinal 

 somewhat undulated ribs ; base concave, 

 with a large umbilicus in the centre, and 

 toothed at the margin. 



Trochus concavus. Gmelin, p. 3570, 

 Trochus, No, 45. Schroeter Einl. i. p. 698, 

 Le Bonnet vert, Favanne, ii. p, 354, 



