iH WORMS. TESTACEA. 53, Chiton. 
Marmoraf Shell S-valyed, fmooth, elegantly varied with whit* 
blackilh, the middle valves grecnilh within. 
Chemn. conch. 8. tab.c^t^. fig. 803 — 805. 
Chemn. chiton, tab. i, fg. 5. 
Knor. Vergn 4. tab, yitfig, 3,4. 
2. 7-valved, Schrat. Litt. i,, tab. \f fig. 3. J 
Inhabits America-, varioufly marked with alternate blackiH** , 
white bands, ftreaks, veins and fpots ; the border tuniid» 
ly, with *Iternate whitilh ileel-blue and blackifh patches* 
{iranulatus,V\ccoxis\ above fiat with pumerous raifed dots difpoi**^!^ 
rows ; border broad, coriaceous, fpinous, with alto'’^ 
black and w'hite patches. 
Chemn. conch. 8, tab. 96, fig. go6. 
Inhabits Ametica. Valvfs 8, rarely 7, 
Ptceu.'oi Shell 8-valved ; above fmooth, piceous, and varied V'f* 
white and black. 
(^emn. conch. 8. tab. 96. fig, 807 — 8 10. 
Chemn. chiton tab. z, fig. 6. anA 6 . a, b, c. 
Inhiihits American tad lieA Seat ; refembles the laft. .j], 
Shell black in the middle within ; the Tides greenilh : back \ 
alternate black fpots, and whitilh fpots, bands and V®’® 
malvet rarely 7 or 6, 
InJuii §hell 8-valved, whitifh-afh, with a fcaly border; inidd^* 
valves very finely pundtjired. 
Inhabits America, Chemn. conch .S, tal.c^h, fig, 8u. 
Minimtu. Shell 8-yalved, fmooth, black, and covered here and 
with meal. 
Chemn. conch, 8. tab, 96, fig. 814. 
Inhabits the Hurnuay Seat very imall. 
ptWv. Si^cll 8-valvcd, Carinate, diaphanous, banded : each of 
extreme valves very finely pumflturcd. 
Chemn. conch. 8. tab. eft. 815, .j 
Inhabits bler-way ; fniall : within whitilh-alh ; with alte/®^ 
{ilackilh and paler bands. 
•Ai 
^felku Shell 8-valvcd, deep black, above convex with a yclloW’ 
fpot on each of the valves. 
Chemn. conch. 8. tab. tfit, fig. 816, 
Inhabits ihrth Seat ; ahixed tQ tjfie Mytilus modiolus. 
