9 12 MR. G, F. ANGAS ON AUSTRALIAN MOLLUSCA. [NoV. 28, 



6. A List of Species of Marine MoUusca found in Port Jack- 

 son Harbour, New South Wales, and on tlie adjacent 

 Coasts, with Notes on their Habits &c. By George 

 French Angas, F.L.S., C.M.Z.S. &c.— Part 11.^ 



[The length, as given in inches or lines, must be understood to represent the 

 extreme measurement of the shell. 



Those species marked with an asterisk ( * ) have been described from speci- 

 mens in my own collection. — G. F. A.] 



Class CONCHIFERA. 



Order PHOLADACEA. 



Fam. GASTROCH^NIDiE. 



1. Bryopa (Dacosta) australis. 

 Clavagella australis^ Sow. 



Found burrowing in sandstone rocks, at very low tide, near Port- 

 Jackson Heads. The tube, which is simple, pi-ojects outwards from 

 1 to 2 inches. The valves are hidden in the dilated hinder part of 

 the tube, below the surface of the rock. 



2. HUMPHREYIA STRANGEI. 



Aspergillum strangei, A. Ad. P. Z. S. 1852, p. 91, pi. 15. f. 5. 



Of this singular form three or four specimens were obtained by 

 the late Mr. F. Strange, and one by myself, at Watson's Bay, Port 

 Jackson. The tube, which is merely an expansion and modification 

 of the valves, is curved and obtusely carinated on each side. It is 

 found attached to the flat surface of rocks at the bottom of pools, 

 projecting upwards amongst the pebbles and sand, at extremely low 

 spring tides. Length of the tube 2 inches 4 lines. 



Fam. SoLENiD^. 



3. SOLEN SLOANII. 



Solen sloanii, Gray, in Brit. Mus., Hanley, Sp. of Shells, p. 12. 



? Solen philippianus, Dunker. 



A pretty species, mottled with purplish flesh-colour like S. vagi- 

 noides, Lam., from Tasmania ; it is, however, a narrower shell, and 

 not curved like the latter. Length 3^ inches. Burrowing in the; 

 sand at Middle Harbour &c. 



4. CULTELLUS AUSTRALIS. 



Cultellus austt'alis, Dunker, P. Z. S. 1861, p. 423. 



Dredged in Lane-Cove River, Port Jackson. Length I5 inch. 

 Found also at Moreton Bay and Port Curtis, where it attains the 

 length of 3 inches. 



* Continued from p. 233. 



