178 WORMS. TESTACEA. 58. Turbo. 



Shell 3 quarters of an inch long, about an inch wide, white or 

 rosy with undulate crimson or purplish stripes blotches or spots : 

 whorls marked by a deep separating line, ending in a point : base 

 spotted, with a large perforation, 



423. Tr. cinerarius Conic, produced at the point, with 

 a small perforation at the base : whorls 5* cinereous 

 with fine approximate oblique brown or purplish, 

 lines. 



Donovan, t. 74. two upper and lower fig* Da Costa t. 3./, 11. 12. 



Shell five eighths of an inch long, as much broad, rather oblique j 

 the whorls a little rounded and feparated by a fine line. 



424. Tr. umbilicatus* Flattish, rounded and depressed 

 at top, with a large perforation at the base : whorls 

 5, white or greenish with purple waved or zigzag 

 lines. 



Donovan t. 74. three middle fig. Br. Zool. t. 8cv/. ic6. 



Shelly eighths of an inch high, 3 quarters broad, marked with 

 nearly obfolete fpiral striae, more flattened than the last, and the 

 aperture reaches to the tip. 



425. Tr. terrestris. Conic, perforated at the base, livid- 

 white, finely striate longitudinally : base flat, with 

 a strong carinate edge round it* 



Br. Zool, t. So. jig. io8v Donov. tab. 111. 



Shell not a quarter of an inch high, rather more broad, with 

 sometimes a brown line round the middle of the whorls: whorls 

 divided by a fine depressed line, and a prominent ridge at. the 



base of each : base striate from the centre. 



426. Tr^fuscus* Brown* opake, margined, perforated, 

 with 5 whorls and roundish aperture. 



Walk. min. Shells/. 58. Adams Micr. t. 14./. 24. Minute. 



427. Tr. cinereus. Obtusely conic, perforated at the 

 base, grey with narrow blackish lines : pillar-lip- 

 with 2 slight teeth and 2 transverse furrows. 



Donovan t. 155./. 2.. Da Costa tab..s*/. 5. 



Shell size of a cherry,, thick, strong, greenish-pearly about the 

 perforation, with 5 whorls faintly striate eircularly. It is pro- 

 bably a variety of Tr. cinerarius, or a foreign shell. 



58. TURBO. Wreath Shell. 

 A. Marine, with regular wreaths.. 



428. T. Terebra. Taper, pointed, with 12-16 whorls 

 marked with numerous fine spiral striae, some of 

 which are prominent and acute. 



Br. Zool. t. 81./. 113. Donov. t. 22,/. 2. Da Costa t.j.f. 5. 6. 



Shell about an inch and a half long, with 5-9 rather prominent 

 ridges on each Whorl, whitish or cream-colour, with brown red or 

 orange marks. 



429. T. exoletus. Taper, with 12-14 whorls obscurely 

 striate, each with 2 prominent obtuse spiral ridges in 

 the middle.. 



Donovan tab. 22./. 1. Da Costa tab. 7./. 8.. 



Shell 2 inches and a half long, white or purplish, variegated 

 with chesnut ; the whorls separated by a deep depression. 



430. T. Clathrus. Taper, with 9-12 swelling whorls, and 

 as many distant strong rather oblique longitudinal 

 ribs.. 



