TROCHUS. 



777 



Trochus patholatus. Gmelin, p. 3574. Schreibers Conch. 



i. p. 245. 

 Trochus Nassaviensis. Chemnitz, v. p. 113. t. 171 f- 1676. 

 Trochus tumidus. Montagu Test. p. 280. t. 10. f. 4. Ma- 

 ton and Racket, in Lin. Trans, viii. p. 153. Dorset 

 Cat. p. 48. t. 16. f. 9 and 10. 

 Trochus, No. 81. Schroeter Einl. i. p. 710. 

 Inhabits the coasts of the West of England. Montagu, Sfc 

 Shell rather more than a quarter of an inch long, and the 

 breadth rather exceeds the length ; it has live transversely 

 striated whirls separated by a deep suture, and the body-whirl 

 has a somewhat carinated edge ; the colour is generally cine- 

 reous-brown, sometimes tinged with yellow, and more or less 

 streaked with fine obscure undulated longitudinal lines; Mr. 

 Montagu says the colour is sometimes purplish, and is some- 

 times spotted with white at the top of each volution. IVo- 

 chusfuscus, of Adams and other British Authors, probably 

 belongs to this species, or is otherwise undeserving of notice. 



viRiDULUS. 42. Shell sub-conical, and the Avhirls 

 convex, with a row of moniliform granula- 

 tions; pillar toothed. 



Trochus viridulus. Gmelin, p. 3574. Schreibers Conch. 



i. p. 245. 

 Trochus, No. 82. Schroeter Einl, i. p. 711. 

 Globulus ex viridi et rubro variegatus. Chemnitz, v. p. 114. 



t. 171. f. 1677. 



Inhabits 



Gmelin has described this species to be greenish, obliquely ra- 

 diated with white, but Chemnitz's figure is painted greenish, 

 with broad, somewhat oblique, blackish longitudinal stripes, 

 and measures about ten lines, both in length and breadth. 



URBANUs. 43. Shell sub-convex, with numerous 

 transverse granulated strise; aperture crenu- 

 lated, and the umbilicus toothed. 



Trochus urbanus. Gmelin, p. 3574. Schreibers Conch, i. 



p. 245. 

 Trochus, No. 84. Schroeter Einl. i. p. 711. 

 Globulus asper civicus. Chemnitz, v. p. 1 14. t. 171. f. 

 1679. 



Inhabits 



This shell appears by the figure to be about seven lines long, 

 and ten broad, of a dirty white colour, with broad longitu- 



