222 MR. G. V. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, 



229. LOPHYRUS GLAUCUS. 



Chiton glaucus. Gray. 



C. quoyi, Desh. Auira. sans Vert. vii. p. 509. 

 C. viridis, Quoy. 



Very variable in colour. The green variety is C quoyi of Desh. 

 Rare in Port Jackson. Length 1 inch. 



230. LoPHYRUS MURICATUS. 



Chiton muricatuSy A. Ad. P. Z. S. 1852, p. 91. 



C. carnosus. Carp. MS. Coll. Cuming. 



C. limans. Carp. MS. Coll. Cuming. 



A very charming species, of rare occurrence in Port Jackson, 

 having the outer edge of the valves armed with short muricated 

 spines. It somewhat resembles L. concentricus, but ha-s the anterior 

 terminal valve longitudinally radiate, and varies in colour from dull 

 green to orange and buff. Length 1 inch. 



231. LoPHYRUS JUGOSUS. 



Chiton jugosus, Gould, Exped. Shells, p. 3. 



A prettily mottled species, with the terminal valves smooth, of 

 which a few examples have been found at very low tides near Camp 

 Cove. Length 9^ lines. 



232. *LoPHYRUS SMARAGDINUS. 



Lophyrus smaragdinus, Angas, P. Z. S. 18fi7, p. 115. 



Of a pale bluish-green colour, sometimes white-mottled, and nearly 

 smooth ; faintly striated under the lens. Port Jackson. Length 

 6 lines. 



233. Lepidopleurus proteus. 



Chiton proteus. Reeve, Conch. Icon. pi. 18. f. 111. 



C. fruticosus, Gould, Exp. Shells, p. 4. 



Common under stones. The colours vary, some specimens being 

 curiously mottled with white or pale orange on an olive ground. 

 Length 1^ inch. 



234. Lepidopleurus longicymba. 



Chiton longicymba, De Blainv. ; Sow. Conch. Illus. f. 67. 



This pretty species is abundant under stones, especially at "Wat- 

 son's Bay. Its variations in colour are many : one variety h<is a 

 broad white stripe along the back, another is pale straw-colour, and 

 a third is spotted with black on a reddish ground. Length 1 inch. 



235. Lepidopleurus ustulatus. 



Chiton usiidatus. Reeve, Conch. Icon. pi. 17. f. 102. 

 Of a dull brown colour. Watson's Bay, under stones. Length 

 1 inch 4 lines. 



