PHYLLOBRANCHIA. TURBONID. 189 
6. TURBO STRIATULUS. 
T. testa epidermide atro-nigra; anfractibus quinque, spiralitér 
striatis, quatuor apicalibus, griseis. 
Turbo striatulus, Linn. Syst. Nat. 1238. No. 635; Gmel. 
Syst. Nat. 3604; Da Costa, Brit. Conch. 102. t. viii. f. 10 ; 
Pult. Cat. Dorset. t. xiv. f. 10; Mont. Test. Brit. ii. 306. 
t.x.f.5; M.§ R. Trans. Linn. Soc. viii. 172; Turt. Conch. 
Dict.212; Elem. Edinb. Encycl. vii.; Dill. Desc. Cat. 783. 
Habitat in Danmoniz et Cornubiez Australis littoribus, raris- 
simé. Alt. 2 unc. 
Shell with its epidermis deep black. Whorls spirally stri- 
ated. The four upper whorls grey. Height one-eighth of an 
inch. 
Inhabits the western shores of Devon and Cornwall, but is 
very rare. 
Genus 83. PERSEPHONA. 
Turbo Auctorum. 
Testa supra aperturam, conicé elevata. Sutura profunda. 
Peritrema perfectum. 
Animal incognitum. 
Shell above the aperture, conically elevated. Suture deep. 
Peritreme perfect. 
Animal unknown. 
1. PeERSEPHONA RUFILABRIS. 
P. testi lucida, alba, nitida; peritremate roseo; anfractibus 
flavo-punctatis transversim, costis latis distantibus sculptis, 
spiralitér elevato-lineatis ; interstitiis impresso-punctatis. 
Habitat in mari Danmoniensi et Cornubiensi Australi. Mus. 
nost. in Mus. Brit. Alt. 2 une. 
Shell lucid, white, shining. Peritreme rosy. Whorls punc- 
tured with yellow, transversely sculptured with broad and dis- 
tant ribs. Interstices with impressed points. Height two- 
eighths of an inch. 
Inhabits the sea-coasts of Devon and Cornwall. 
