Fig. 18. CHITON ciNEREus. 
Chiton cinereus, Monl. Test. Brit. p. 3. — Mat. and Rack, in Linn. Trans, viii. p. 22, pi. 1, fig. 3. — Brorvn in 
Ency. Brit. vi. p. 402. 
Fig. 17. CHITON fuscatus. 
Chiton fuscatus, Brown's MSS A new species. Confounded with the above, and common, adhering to oysters 
in the Firth of Forth. 
Fig. 2, 19. CHITON albus. 
Chiton albus, Mont. Test. Brit. p. 4 Mat. and Rack, in Linn. Trans, viii. p. 22, pi. 1, fig. 4 — Brorvn in Ency. 
Brit, vi, p. 402. 
Fig. 22. CHITON quinquevalvis. 
Chiton quinquevalvis, Brown in Ency. Brit. vi. p. 402 — A new species. Found by General Bingham at 
Tenby. — In his Cabinet. 
Fig. 21. CHITON ASELLOIDES. 
Chiton aselloides, Lowe in Zool. Journ. ii. p. 103, pi. 5, fig. 5. Discovered at Oban, Argyleshire, by the late 
Captain Carmichael. 
