252 ASPIDOBRANCHIA. CHITONIDA. 
Habitat in mari Danmoniensi Australi rarissimé. Mus. Dr. 
Griffiths ; et nost. in Mus. Brit. Long. 2 une. 
Shell ovately-broad, smooth, carinated, pale fuscous brown, 
its margin fulvous. Length two-eighths of an inch. 
Inhabits the sea on the southern coast of Devonshire: it is 
very rare, and was discovered at Torquay by my very kind friend 
Mrs. Griffiths. 
9. CuiToN ScorTicus. 
C. testa fuscescente ovata, tuberculis mimutissimis sculpta, mar- 
gine hispido. 
Habitat in mari Scotico rarissimé, lapidibus et testis adhzerens. 
Mus. nost. in Mus. Brit. Alt. 2 une. 
Shell pale fuscous brown, ovate, longitudinally tuberculated 
with very minute tubercles; its margin hispid or roughish. 
Length seven-eighths of an inch. 
Inhabits the sea, Frith of Forth. I discovered this species 
by dredging between the Bass Rock and the Isle of May. 
10. CHITON VARIEGATUS. 
C. testa ovata, convexa, carinata, elevato-tuberculata, tuberculis 
minutissimis. 
Chiton marginatus, Gmel. Syst. Nat. 3206; Penn. Brit. Zool. 
iv. 72. t. xxxvi. f. 1; Pult. Cat. Dorset. 25. t.i. f. 1; Mont. 
Test. Brit. 1; M. & R. Trans. Linn. Soe. viii. 21; Flem. 
Edinb. Encycl. vii.; Dill. Desc. Cat. 1098; Turt. Conch. 
Dict. 33; Wood, Gen. Conch. t. iii. f. 4; Lam. Hist. Nat. 
des Anim. sans Vert. vi. 321. 
Habitat in mari Danmoniensi et Cornubiensi. Color pallidé 
rufescens, fuscescens, albido variegatus. Long. + une. 
Shell ovate, convex, carinated with very minute elevated tu- 
bercles, pale reddish brown varied with white. Length half 
an inch. 
Inhabits the sea; Tenby, Wales; Torbay, Devonshire. 
