WORMS. TESTACEA, 53. Chiton. i^3 
Chemn. conchs%. tab ()(>, f. 817. Chit, tab^ 2, 9 * 
Inhabits oval, f.nooth, white, the 2 end valve. 
cmarginate. ' 
Shell 8-va1ve(l, fmooth, carinate: body reddiih with a fub- 
ciliate border. 
Chemn. conch. 8 lab. g6, fg. 818. 
Born. M-uf CifJ. V.nd. teji. tab. 
Inhabits Wirway .W/, among the roots of Ulvte ; 2 tnes 0 . 
dcpreffed, and narrower before, with 2 longitudma grooves 
down the back bounding the ridge in the mtdale : when alive 
both the ihell and animal are reddlfh, when dried cinereous. ^ 
Shell 8-valved, thick, ridged ; the outfide fea-green,-the in- 
lide fnowy edged with black. 
Chemn. cnnch, 8, tab. 94, fig. 794 • , 
Inhabits——, rather large; the valves rcpand in the middle, 
the fore-one with radiate ftrisc. 
Shell 8-valved, cherry-colour, fmooth, with fnowy margi- 
nal teeth. 
Chemn. conch. 8. tab, 94, fig, 79 ^' 
Inhabits . The animal when dried becomes black. 
Shell 8-valved, thick, black -brown ; above convex, with 
a blackilh band in the middle of the back, and lateral 
yellowifh ftrias. 
Chemn, conch, 8. tab, 95, fg. 797 * 
Seba Muf 3. tab, i, fig, 14. * 5 * 
Inhabits the Straights of Magellan ; large. 
Shell black within in the middle, elfewhere fine green edged 
round with brown. 
Shell 8-vilved, brown, fmooth; the infide and teeth of the 
margin fnowy: back with triangular black fpots and 
dull ycilowifh bands each lide. 
Chemn. conch. 8 tab, 95, fig- 799 j 800. 
Inhabits India-, narrower than the lait, with numerous teeth on 
the mirgin, and larger ones on the z end valves; back more 
elevated and carinate. 
M 
‘"’^^‘itus. Shell 8-valved, fmooth, within fea-green; the margin co- 
vered with grey-wiiite leales ; middle-vaivcs on the 
fore part and fome of them each fidefpotted with brown. 
Inhabits , Lhe,im, conch. 8. tab. 95, fig. 802. 
