WORMS. TESTACEA. 53. Chiton. 163 



Chemn. conch* 8. tab. g6, f. 8 1 7. Chit. tab. 2, /*, 9» 

 Inhabits Northern Sias : oval, fmooth, white, the 2 end valves 

 emarginate. 



Qimreus. Shell 8-valved, fmooth, carinate: body reddiili with a fub« 

 ciliate border. 



Qhemn. conch. 8. tab* 96, fig. 818. 



Born, MuJ Cafi. Vind.teji. tab. I, fig. 3. 



Inhabits Norway Seas, among the roots of Ulvae ; 2 lines long": 

 depreffed, and narrower before, with 2 longitudinal grooves 

 down the back bounding the ridge in the middle : when alive 

 both the fliell and animal are reddlfb, when dried cinereous-. 



Bicolor. Shell 8-valved, thick, ridged ; the outfide fea-green, the in- 

 fide fnowy edged with black. 

 Chemn. cnnch. 8. tab. 94, fig, 794. 



Inhabits •, rather large j the valves repand in the middle, 



the fore-oce with radiate ftria% 



Ccrafw.s. Shell 8-valved, cherry-colour, fmooth, with fnowy margi- 

 nal teeth. 

 Chemn. conch. 8. tab. g\,fig. 796. 

 Inhabits , The animal when dried becomes black. 



Magellani- Shell 8-valved, thick, black-brown; above convex, with 

 ius$ a blackifh band in the middle of the back, and lateral 



yellowifh Arise. 

 Chemn* conch. 8. tab. 95, fig 4 797» 

 Seba Muf 3. tab. I, fig. 14, 15. 

 Inhabits the Straights of Magellan ; large. 

 Shell black within in the middle, elfewhere fine green edgexi 

 round with brown. 



Fufas. Shell 8-valved, brown, fmooth ; the infide and teeth of the 



margin fnowy : back with triangular black fpots and 



dull yellowifh bands each fide. 

 Chemn. conch* 8 tab. 95, £g\ 799, 800. 

 Inhabits India', narrower than the lilt, with numerous teeth on 



the margin, and larger ones on the z end valves; back more 



elevated and carinate, 



Maculatus, Shell 8-valved, fmooth, within fea-green ; the margin co- 

 vered with grey-white fcales middle-valves on the 

 fore part and fome of them each fide fpotted with browrj> 

 Inhabits . Chemn. conch. 8. tab. 95, fig. 802. 



X 2 Mar- 



