PHYLLOBRANCHIA. TURBONID. 153 
8. SABANZZA UNIFASCIATA. 
S. testa conica, crassa, glabra; anfractibus quinque; sutura 
tenuissima ; apertura rotundata, ovali; peritremate ad dex- 
tram tenui, externé paululum reflexo. 
Turbo trifasciatus, ddams, Trans. Linn. Soc. v. 2. t. i. f. 13, 
14? 
Turbo unifasciatus, Mont. Test. Brit. 327; Supplem. t. xx. 
f.6; M. & R. Trans. Linn. Soc. viii. 163; Flem. Edinb. 
Encyel. vii. 75; Dill. Dese. Cat. 784 ; Turt. Conch. Dict. 
201. sp. 24. 
Habitat in mari Britannico in thalassophytis. Mus. Montagu 
et nostr. in Mus. Brit. Alt. 3 unc. 
Shell conic, thick, smooth. Whorls five. Suture very 
slender. Aperture roundly oval. Peritreme on the right side 
thin, externally a little turned out. Height one-eighth of an 
inch. Colour whitish, with a purple brown band on the basal 
whorl, sometimes with two. 
Inhabits the sea on various species of Fucus: Southampton, 
Hampshire, Barrow Island. 
9. SasanzxA ULVz. 
S. testa crassa, opaca, apice acuto; anfractibus septem aut octo, 
planis ; sutura angusta, profunda, paululum rugata; apertura 
subovali; peritremate ad sinistram tenuissimo, ad dextram 
reflexo. 
Turbo Ulve, Penn. Brit. Zool. iv. t. lxxxvi. f. 120; Da Costa, 
Brit. Conch. 105 ; Pulteney, Cat. Dorset. 49.t. xviii. f. 12 ; 
‘ Mont. Test. Brit. 318; M. & R. Trans. Linn. Soc. viii. 
164; Flem. Edinb. Encycl. vii.; Dill. Desc. Cat. 784 ; 
Turt. Conch. Dict. 204.-sp. 26. 
Habitat in mari Britannico in ulvas, preesertim in zestuariis. 
Alt. 2 une. 
Shell thick, opaque. Apex acute. Whorls seven or eight, 
plain. Suture narrow, deep, slightly rough. Aperture sub- 
oval. Peritreme on the left side very thin, on the right turned 
out. Height three-eighths of an inch. Colour grey, greenish, 
or dull reddish brown. 
H 9 
