820 TURBO. 



dish, marked with oblique rows of white dots, and the inside 

 is said to be of a coffee-brown colour. 



jUGOSus. 11. Shell sub-ovate, rather ventricose, 

 transversely ribbed, and the margin of the 

 pillar flattish. 



Turbo jugosus. Montagu Test. p. 586. t. 20. f. 2. Maton 

 and Racket in Lin. Trans, viii. p. 158. t. 4. f. 7. Dorset 

 Cat. p. 49. t. 19. f. 1. 

 Turbo obtusatus. Pulteney Dorset Cat. p. 45. 



Inhabits the western coasts of England. Montagu, S)'c. Not 

 uncommon on the coasts of South Wales. L. W. D. 



Shell a quarter or three-eighths of an inch long, and the length 

 and breadth are about equal ; it varies greatly in its colour 

 from a dull orange yellow to dark purple, and differs from 

 the infant state of 1\ littoreus, which it much resetnbles, in 

 being ribbed transversely ; the body- whirl has about eight or 

 ten elevated sharp ribs, reflecting a little upwards, and there 

 are three or four on the second whirl ; it has four whirls, of 

 which the body-whirl is thrice as large as all the others to- 

 gether. 



CRASsiOR. 12. Shell conical, coarse, with five 

 rounded obsoletely striated whirls, depressed 

 at the suture, and the body-whirl slightly 

 keeled. 



Turbo crassior. Mont. Test. p. 309, and Supp. p. 127. t. 20. 



f. 1. Maton and Racket, in Lin. Trans, viii. p. 159. 

 Turbo pallidas. Donovan, v. 1. 178. f. 4. 



Inhabits the coasts of England. Boi/s, S^c. Common in Lang- 

 land Bay, near Swansea. L. W. D. 



Shell about three-eighths or half an inch long, and rather more 

 than half as broad, with five produced somewhat ventricose 

 whirls, which are depressed at the suture, and the body- 

 whirl has two more or less distinct transverse keels; the 

 colour is very pale yellowish brown or brownish white. 



PETRiEus. 13. Shell conical, acute, and the aper- 

 ture pear-shaped - 



Turbo petraeus. Maton and Racket in Lin. Trans, viii. 



p. 160, Dorset Cat. p. 49- t. 18. f. 13. 

 Helix petraea. Montagu Test. p. 403. 

 Inhabits the coasts of Dorset and Devon, on rocks a little be- 

 low high-water mark. Montagu, 



