WORMS. TESTACEA. 53. Chiton. 183 
Chemn. conch. 8. tabs.96, f; 817. Chit. tab. 2, f. 9. 
Inhabits Northern Seas: oval, fmooth, white, the 2 end valves 
emarginate, 
Cinerenss Shell 8-valved, fmooth, carinate: body reddifh with a fub- 
ciliate border. : 
Chemn. conch. 8. tab. 96, fig. 818. 
Born. Muf. Caf. Vind. teft. tab. 1, fig. 3. 
lubabits Norway Seas, among the roots of Ulvz ; 2 lines long: 
deprefled, and narrower before, with 2 longitudinal grooves 
down the back bounding the ridge in the middle: when alive 
both the fhell and. animal are reddl(h, when dried cinereous. 
Aor. Shell 8-valved, thick, ridged; the outfide fea-green, the in- 
fide {nowy edged with black. 
Chemn. ennch. 8. tab. 94, fig. 794. 
Inhahits » Yather large; the valves repand in the middle, 
the forg-one with radiate ítriz, 
Casus. Shell 8-valved, cherry-colour, finooth, with fnowy margi- 
nal teeth. 
Chemn. conch. 8, tab. 64, fig. 796. 
inhabits ———-, The animal when dried hecames black. 
Magellanie Shell 8-valved, thick, black-brown; above convex, with 
cure a blackiíh band in the middle of the back, and lateral 
yellowith ftriz. . 
Chemn. conch. 8. tab. 95, fig. 7970 
Seba Muf. 3, tab, A, fig. 145 15. 
Inhabits the Straights of Magellan ; large. * 
Shell black within in the middle, elfewhere fine green edged 
round with brown, 
Fufees, Shell 8-valved, brown, fmooth ; the infide and teeth of the 
margin faowy: back with triangular black fpots and 
: dull yellowifh bands each fide. 
CLemn. coach. 8 tab. 953 fig. 799, 800. 
Inhabits Jedia; narrower than the lait, with numerous teeth oa 
the margin, and larger ones on the 2 end valves; back more 
elevated and carinate, 
Macslatus, Shell 8-valved, fmooth, within fea-green ; the margin co- 
vered with grey-white fcales; middle-valves on the 
fore- part and fomeof them each fide fpotted with brown. 
Inhabits ———. — Chema, conch. 8. tab, 95, fig. 802, 
X2 Mar. 
