232 MR. G. F. ANGAS OX AUSTRALIAN MOLLXJSCA. [Feb. 14, 



iiig plaits on the inner lip, of which the uppermost one is the largest. 

 It is of a pale lilac colour, when denuded of its brown epidermis. 

 Found at Shoalhaven and in Port Jackson. Length 4 lines. 



Fam. Amphtbolid^. 



309. Ampullarina quoyana. 



Atnpullarina quoyana, Desh. 



Banded and painted with zigzag brown lines. Found at Rushcut- 

 ter's Bay, and in mangrove and samphire swamps at Cook's River 

 and Shoalhaven, &c. Length 8 lines. 



310. Ampullarina fragilis. 



Ampullacera fragilis, Quoy et Gaim. Voy. de I'Astr. 



Banks of Paramatta River. In this species the whorls are rounder 

 and more depressed ; the shell is thinner, and painted with one broad 

 brown band, or several narrow thread-like lines. Length 5 lines. 



Fam. SiPHONARiiD.i:. 



311. Siphon ARIA SCABRA. 



Siphonaria scabra. Reeve, Conch. Icon. pi. 1. f. 2. 



Allied to S. diemenensis, Quoy, but with the purple linear painting 

 running further up into the interior. Common in Port Jackson. 

 Length 1 inch. 



312. Siphonaria denticulata. 



Siphonaria denticulata, Quoy et Gaim. Voy. de I'Astr. ii. p. 340, 

 pi. 25. f. 19, 20. 



A fine species, distinguishable by the livid-brown colouring of the 

 interior and the white spots round the inner margin. Common on 

 rocks and jetty-piles in Port Jackson. Length 1 inch 4 lines. 



313. Siphonaria funiculata. 



Siphonaria funiculat a. Reeve, Conch. Icon. pi. 2. f. C a, h. 



A conical species, ribbed with white, denticulated and stained in 

 the interior with brown. It varies considerably in colour. Found 

 also in Tasmania. Length 9 lines. 



314. Siphonaria bifurcata. 



Siphonaria bifurcata. Reeve, Conch. Icon. pi. 5. f. 22. 



Depressedly conical, with broad, distant ribs, the interstices of 

 which are ridged ^nd stained with black. Interior white, irre- 

 gularly marked with, brown round the edge. Length 1 inch. 



315. Siphonaria cochleariformis. 



Siphonaria cochleariformis. Reeve, Conch. Icon. pi. 6. f. 28. 

 A flattened pale-coloured species, with a broad projecting sinus. 

 On jetty-piles, Watson's Bay. Length 1 inch. 



