478. WORMS, TESTACEA. 79» Trochus. 
Knorr Vergn, 6. tab. 29. fg. 2. Walch. Nat. 1. t. 3. f. 8. 
Chemn, conch. 5.t. 167. f. 1603, 1604. 
2. Lister tab. 844. fig. 72. b. 
3. Pet. Gaz. t. 118. f. 15. Gualt. test. tab. 4. M, 
Inhabits South America. Shell white, generally furrounded with 
yellow lines and a few brown ones : whor/s roundifh, feparated 
by a fine groove : aperture toothed ; pillar with 3 plaits, 
Perverfas. Shell imperforate glabrous: whorls contrary, with a double 
row of excavated dots. 
Inhabits the Mediterranean: (mall, horn-colour. 
Whorls cylindrical, with crenate punétures: aperture fquare: 
pillar a liitle prominent at the bafe. 
Pufilluss Shell flat at the bafe, with fine traníverfe ftriz croffed by 
oblique finer ones: aperture comprefled: whorls con- 
trary. 
Spengl. ny Schrift, den. v, tab, 1. fg. 1. 
Chemn. conch 9. tab. 113. fig. 996. 
Inhabits the Indian Seas, and is generally found among the fand 
within fide larger fhells; hardly 3 of an inch long: probably 
a variety of the laft. 
Undulatus. Shell flat at the bafe, with longitudinal ribs croffing 
flexuous tranfverfe ftris; aperture femilunar; whorls 
contrary. 
Spengl. n. Schr. den. Y. tab, 1, fig. 2, 
Chemn. conch. 9. tab. 113. fig 967s 
Inhabits the Indian flores : lefs than the lat, 
Ventricofui, Shell cancellate, glabrous at the bafe: aperture fubovate: 
whorls contrary, the upper-ones ventricofe and turgid. 
Spengl. Schrift. den. V. tab. Y. figs 3. 
Chemn. conch 9. t. 113. f. 968. 
Inhabits the Indian fand: fize of the laft. 
Annulatus. W horls of the {pire contrary and ribbed each fide: aperture 
nearly fquare. 
Spengl. Schr. den. Y. tab. 1. fig. 4. 
Chemn. conch. 9. t. 313. f. 969. 
Inhabits the Indian Sands: fize of the laft: whorls 12—15. 
Flumineus. Shell fubpyramidal umbilicate fmooth, white with a reddifh 
tip: whorls feparated by a groove: aperture femi- 
lunar. 
Inhabits ——Shrat, Flufcench. tab. 2, fig. 16. 
Punc- 
