226 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 1-4, 



lines of rose-colour, and painted with wavy longitudinal stripes of 

 the same hue. It forms a beautiful object in the water, when craw- 

 ling about on tlie sandy bottoms of the rock-pools left by the re- 

 ceding tide, the expanded membranaceous foot of the animal being 

 bordered with azure-blue. On examination 1 found it had a small, 

 horny, linear, transverse operculum like the Actceonidce, and ought 

 therefore probably to be included in that family. Rock-pools at 

 Coodgee Bay and Middle Harbour, at low spring tides. Length 

 8 lines. 



Fam. Cylichnid^. 



255. Cylichna arachis. 



Bulla arachis, Quoy, Voy. de I'Astr. ; Sow. Thes. Conch, p. 590. 

 f. 133, 134. 



A solid, cylindrical, white shell, covered with a rust-coloured epi- 

 dermis. Dredged in Port Jackson. This species is found also at 

 Wollongong and Port Stephen, in sandy mud. Length 8 lines. 



256. TORNATINA FUSIFORMIS. 



Tornatina fusiformis , A. Ad. Thes. Conch, p. 570, pi. 121. f. 37. 



A little, white, shining species, dredged at Port Stephen and Port 

 Jackson, in 4 fathoms. Length 3 lines. 



Fam. BuLLiD^. 



257. Bulla oblonga. 



Bulla oblonga, A.Adams, Thes. Conch, p. 577, pi. 123. f. 74. 



This large and somewhat elongated species is common on muddy 

 bottoms in all the bays along the coast of New South Wales. It 

 ranges westward to Port Phillip, South Australia, and Swan River ; 

 and, according to Cuming, is found in the Philippines and South- 

 Sea Islands. Length 2 inches 4 lines. This shell has hitherto been 

 confounded by some authors with B. australis of Quoy & Gaim., 

 which is found in Tahiti. 



258. Bulla punctulata. 



Bulla punctulata, A. Adams, Thes. Conch, p. 577, pi. 123. f. 77. 



Clouded with clusters of black and white punctated spots on a 

 light-brown ground. Found in deep water, in sandy mud. Rare iu 

 Port Jackson. It is found also in New Caledonia. Length 1 inch 

 4 lines. 



259. Bulla solida. 



Bulla solida, Gmel. (not Bruguiere) MS. iu Coll. Cuming. 



A prettily painted species, peculiarly marked with large angular 

 blotches of rose liver-colour o\\ a greyish-white ground. Middle 

 Harbour, Port Jackson. Length 1 inch. 



