a 
See 
160 "Fossils from Australia. 
sion large and deeply — scarcely pata Texture of shell 
finely fibrous as in preceding species. .—Length 3? inches; angle be- 
tween cardinal line and line of elongation of shell bet 32°. Resem- 
bles much a Gervillia in ate oblique form.—LIllaw 
47. Avicula.— ?— very near A. ser, of Verssan Russia, 
he prominent either side; ears rather large and longitudinally’ striate. 
—Length and height 24 inches; distance at lower margin between 
middle of two coste a fifth of an inch. Only one valve was obtained 
and that was convex. Near P. Fittoni of Sic. (Strzelecki, p. 277, 
pl. 14, fig. 2,) but rays much more numerous.— Harper’ s Hill. 
49. Pecten tenuicollis.—Nearly orbicular ; coste nit twenty-four, 
very slender and smooth with nearly flat smooth interstices having an 
intermediate smaller costa.—Length of specimen 14 inch; height 13 
inch nearly ; distance of middle of two coste at lo wer margin about 
4 ofa line. Only a single valve was cbtained and that was very con- 
er’s Hill. 
arge; 
crossed obliquely by a few folds and striate longivddhasiby: tohgth 
and height 44 inches; thickness 14 inch.—Jllawarra. 
The following additional species of fossil shells from Australia in our 
collections are described by Morris in Strzelecki’s N. S. Wales and 
Van Dieman’s Land, Mr. J. D. Sowerby i in Mitchell’s Australia, or 
_G. Sowerby in Darwin on Volcanic Isl:ads. 
From Harper’s Hill’:—Bellerophon micromphalus s (M.); Platy- 
= fone sabres te , P. rotundatum (M.)3; Theca lanceolata (M.); 
); Eurydesma cordata - .); Eurydesma 
J. D. 8.) Pecten illawarrensis (M. ); Pachydomus anti- 
J.D. 
afi) 
quatus I. D. S.) M., P. cuneatus (, S.) M., Gane ats (M. 
rom Illawarra Plane maria Strzeleckiana Sa ); Spirifer Dar- 
winii (/.); 8. subradiatus (G. S.), 8 aye ula (G.S.), S. "vesperiio 
(6.3); Productus brachytheerus (G. S.); AMlosinase curvatum (M 3 
Orthonota (Cardinia) costata (M.); Pterinea macroptera (M.) 
Our collections contain also other Br te ned species from these 
localities, besides several species from Glen the species of corals 
described by Lonsdale, and: several new spebied of coal plants from 
llawarra and Newcastle. 
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