1871.] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 99 



The shell of this species is f of an inch in length, heing three 

 times as large as D. pacifica, Pease. 



Class PTEROPODA. 

 Fam. Spirialid^e. 



92. Heterofusus bulimoides. 



Limacina bulimoides, D'Orbigny, Voy. Am. Merid. pi. 12. f. 36- 

 38. 



Cook's River, Botany Bay (Brazier). 



Class CONCH IFERA. 



Fam. Pholadid^e. 



93. Barnea similis. 



Pholas similis, Gray, MS. Brit. Mus. ; Thesaurus Conch, pi. 103. 

 f. 12-14. 



"Bottle and Glass" rocks, in sandstone (Brazier). 



Fam. CoRBTJLIDiE. 



94. Corbula venusta, Angas, P. Z. S. 1871, PI. I. f. 29. 



Stouter than C. zelandica, with a cornelian -coloured ray at the 

 umbones. Dredged on the " Sow and Pigs " bank, Port Jackson. 



95. CRYPTOMYA ELL1PTICA. 



Sphcenia elliptica, A. Ad. P. Z. S. 1850, p. 88. 



A transverse, oval, white shell, with the posterior side radiately 

 sulcated, and the hinge of Mya. 



Lane Cove, Port Jackson ; in sandy mud, 3 fathoms (Brazier), 

 4 fathoms, mud (F. Strange). 



Fam. ANATINID.E. 



96. Thracia speciosa, Angas, P. Z. S. 1869, pi. n. f. 12. 



An elegant elongated species, with the space beyond the umbonal 

 ridge strongly granulated. 



Port Jackson ; dredged off the " Sow and Pigs " reef in 4 fathoms 

 water (Brazier). 



97. Ne^ra (Leptomya) pura, Angas, P. Z. S. 1871, PI. I. 

 f. 30. 



A thin, subovate shell, sculptured with rather distant, fine, con- 

 centric, raised lines, and having the posterior side obliquely truncate. 



Lane Cove, Port Jackson ; in sandy mud (Brazier). 



Mr. A. Adams refers Leptomya to the family Tellinidce, and con- 

 siders it nearly allied to Scrobicidaria. 



