768 TROCHUS. 



Shell about eight lines long, and almost equally broad, of a 

 pale brown colour, and has much the appearance of a Tur- 

 bo ; it is said to be a scarce shell. 



RADIATUS. 19. Shell conical, with transverse rows 

 of granulated striae, and the umbilicus funnel- 

 shaped. 



Trochus radiatus. Gmelin, p. 357^' Schreihers Conch. 

 i. p. 253. 

 Fariety A. Shell elevated, with alternate greenish white and 



crimson longitudinal narrow stripes. 



Trochus, No. 61. Schroeter Einl. i. p. 704. 



Chemnitz, v. p. 96, t. 170. f. J 640. 

 Variety B. Shell elevated, with broad alternate white and 



crimson longitudinal stripes. 



Trochus, No. 62. Schrotier Einl. i. p. 704. 



La Renoncule. Favanne, ii. p. 36l. 1. 13. f. G 1.? 



Lister Conch, t. 632. f. IQ- Geve. t. 6. f. 41 and 42. Re- 

 genfuss, ii. 1. 1 1. f. 51. Chemnitz, v. 1. 170. f. 1641. 

 Variety C. Shell depressed, with broad alternate white and 



crimson longitudinal stripes. 



Trochus, No. Q"6. Schroeter Einl. i. p. 704. 



Trochus, No. 64. Schreihers Conch, i. p. 254. 



Chemnitz, v. 1. 170. f. 1642. 

 Inhabits the West Indian Seas. Chemnitz. Isles of France, 



and Madagascar. Favanne. 

 The two first Varieties are about an inch in length as well as 



in breadth, but C is figured only three-quarters of an inch 



long, and one inch broad ; the longitudinal stripes are dark 



red, crimson, or purplish, and are somewhat interrupted at 



the sutures. 



viRiDis. 20. Shell conical, with five transverse 

 rows of nodules on the first, and four on the 

 second whirl, and the upper ones glabrous. 



Trochus viridis. Gmelin, 3572. Schreihers Conch, i. p. 



254. 

 Trochus, No. 65. Schroeter Einl. i. p. 704. 

 Chemnitz, v. p. 97. t. 170. f. 1643 and l644. 



Inhabits the coasts of New Zealand. Chemnitz. 



Chemnitz has figured this shell about ten lines long and nine 

 broad, and says he received it from Mr. Humphreys, under 

 the name of * the Green and brown beaded Trochus from 

 New Zealand ;' the colour is described to be dusky green, 



