WORMS. TESTACEA. 58. Turbo. 185 



Montague Brit. Shells SuppU t. 22. /. 2. 



Shell hardly a line long : aperture fuboval, contracted, margined ; 

 outer-lip thickened inwards in the middle by a knob : pillar-lip with 

 2 teeth, and generally the rudiment of a third above the other. 



483. T. Jumped. Subcylindrieal, obtuse* opake, brown, 

 with 8 or 9 obliquely striate whorls : aperture 1- 

 toothed. 



Montague Brit. Shells p, 340, tab. 12,/. 12. 



Shell above a quarter of an inch long, with the whorls slightly 

 raifed : aperture fuborbicular, margined, reflected, white, with 3 

 ridge-like teeth on the outer-lip, and 4 on the pillar: behind the 

 pillar lip at the bafe is a large cavity. 



484. T. elegans. Suboval, grey with a purple tinge : 

 whorls 5, tumid, strongly striate spirally and crossed 

 wi/h faint longitudinal -ones. 



Br. Zool. t. 82. /. 110. Donovan t. 59. Da Costa t. $./. 9. 



Shell 5 eighths of an inch long, fomctimes marked with inter- 

 rupted bands or longitudinal streaks of purplish-brown, often 

 purple at the tip which is rather ohtufe : aperture orbicular, 

 slightly reflected, the margin faintly striate, covered with a horny 

 fpirally striate lid : pillar-lip with an obfolete cavity behind it. 



485. T.fontitialis. Subconic, thin, horn-colour, umbi- 

 licate, with 4 or 5 much rounded smooth or very 

 finely wrinkled whorls. 



Donov. t. 102. Montague Suppl. t. 22. f. 4. 



Shell about a quarter of an inch long, fubpellucid, with very 

 protuberant whorls, very minutely striate longitudinally, rather 

 obtufe; . aperture quite orbicular: pillar with a fmall per- 

 foration. 



486. T.nautileus. Pellucid, light horn-colour, with 3 or 

 4 whorls hardly rising one above the other, annulate 

 across, and crested on the back. 



Linn. Transact, v'u'i. p. 169. tab. $.f. 4. 



Shell the eighth of an inch wide, generally covered with a brown 

 skin, furnished with distant raised annulations, which rise on the 

 back into short crests or spines, flat and umbilicate underneath : 

 aperture truncate, orbicular. 



487. T. cristatus, Subpellucid, pale horny, flatfish above, 

 umbilicate underneath, with 3 or 4 cylindrical 

 whorls. 



Walker Minute Shells/. 18. 



Shell the tenth of an inch wide, flat at top, with the whorls very 

 faintly striate : aperture circular, 



488. T. depressus. Subpellucid, slightly rugged, pale 

 horn-colour, umbilicate underneath, with 4 whorls : 

 aperture circular. 



Montague Brit, Shells p. 439. t. 13 /. 5. Helix, 



Refembles the fast but. is less* more solid ..and opake, and is 

 without fpire ; tip more prominent. 



489. T.fuscus. Brown, opake, with 5 striate whorls, and 

 suboval aperture^ . 



Walker minute Shells /. 42. , Minute, 



4#0, T. Rivulus. White, opake, with 4 striate whorl s 5 

 and an oval margined aperture* 



Walker minute Shells/. $ % J&iaute* 



