PHYLLOBRANCHIA. TURBONID. 187 
Color testze rubescens aut griseo-flavus. Lineis fractis, nigris. 
Shell strong, somewhat oval ; the first whorl large, spirally 
striated ; the epidermis fuscous or chestnut brown. Height 
one inch and a half. 
Colour reddish or grey-yellow, with broken black lines. 
The mouth of the animal produced into an obtuse cylindric 
rostrum; the tentacles annulated with blackish ; the sides of the 
foot greenish, with broken black lines; the operculum testa- 
ceous yellow. 
This species isvery common on all the rocky shores of Europe. 
They are named periwinkles, and are eaten by poor people. 
It varies very much in colour. 
2. Turso sutcatus. Tab. IX. fig. 6. 
T. testa crassa, sutura profunda; anfractibus quinque, im- 
presso-sulcatis; epidermide flava, viridescente aut sordidé 
viridescente. 
Habitat in mari Cornubiensi, frequentér. Mus. nost. in Mus. 
Brit. Alt. € unc. 
* Shell thick, with the suture deep. Whorls five, impressly 
grooved. Epidermis blackish-yellow, greenish and dirty green. 
Height six-eighths of an inch. 
Common in the Scilly Islands. Discovered by Mr. J. 
Cranch. 
3. TURBO RUDIS. 
T. testa crassa, sutura profanda, aperta ; anfractibus quingue, 
tumidis, spiralitér et tenuitér elevatis, striatis ; epidermide 
grisea, viridescente, rubescente, fuscescente aut intensé brun- 
nea, nonnunquam fasciata. 
Turbo rudis, Chem. Conch. v. t. 185. f. 1853 ; Maton’s West- 
ern Counties, i. 277; Donov. Brit. Shells, t. xxx. f. 3; 
Pult. Cat. Dorset. t. xvii. f. 6; Mont. Test. Brit. 304; 
M. & R. Trans. Linn. Soc. viii. 159; Turt. Conch. Dict. 
197. sp.9; Flem. Edinb. Encyel. vii. 
Habitat in littoribus scopulosis Britannie sat frequens. Alt. 
1 une. 
Shell thick, with a deep and open suture. Whorls five, 
