Maccoyella coiiBiENSis, 3Ioorc, sp. 
(PI. I, rigs. G-10.) 
Aoicula corbiensis, Moore, Quart. Journ. Geol. Soc., 1S70, XXVI, p. 21(5, t. 11, f. 7. 
C renal Ilia (/) gihhosa, Etheridge, Quart. Journ. Geol. Soc., 1872, XXVIII, p. ddt), t. IP, f. 3. 
Avicida Corbiensis, Eth. ill., Cat. Austr. Fo-ss. 1878, p. 107. 
Avicula Corbiensis, Tate, Traus. E. Soc. S. Austr. for 1880-81 (1882), IV, p. UP. 
f Avicula 3a7'klyi, Moore, vel. rejlecta, Moore, var Gilliatti, Ten. AVoods, Proc. Linn. Soc. 
X. S. AVales, 1883, VIII, Pt. 2, p. 210, t. 12, f. 0 (excl. f. 1 and 5). 
Avicula corbiensis, Tate, Proc. Austr. Assoc. Adv. Sci. for 1888 (T88P), I, p. 230. 
Jlaeeoijella corbiensis, Eth. fil., Geol. Pal. (^'laud, &c., 1SP2, pp. 1-58 aud 533, t. 22, f. 8 and P. 
3IacCOijella corbiensis, Eth. 111., Bull. Geol. Survey Q’land, iPOl, No. 13, p. 17. 
Obs.—3I. corbiensis is one of the liest marked species of the genus, aud 
cannot he mistaken for eitlier of the others. 
An examination of the Eev. J. E. Tenison Woods’ figures of speciimms 
from the Grey Eanges leaves little doubt that one of his figures of Avicula 
Barldyi, Moore, vel. rejlecta, Moore, var. Gilliatti, Ten. Woods, viz., his 
Eig. 6, is that of portion of an example of this species. Another unligured, 
although remarkably Avell-prescrved specimen is also present. 
It is quite evident that the right valve Avas of a A'ory fragile nature, 
for in the several instances in Avhich the valves have been seen in apposition, 
the right is invariably crushed into the holloAv of tlie left. 
The adductor scar of the left valve is less reniform in outline than in 
either 31. Barklyi, 31. rejlecta, or 31. mnbonalis. 
Loc. — Mount Stuart Eun, Co. TougOAvoko, North-West N. S. lYales 
[B. Gillialt)-, Avell on Mount Poole Station, near Milparinka {A. Lang)-, 
Yandaminta, Co. EA^elyn, in the same district [A. Lang). 
llor . — LoAver Cretaceous. 
Colin. — Mining and Geological iMuseum, Sydney ; and Macleay 
Museum, University of Sydney. 
The late Prof. 11. Tate described a shell from the White Cliffs Opal- 
field under the name of T^ucina (.^) Bonytlioni} Prom unavoidable causes 
I have not seen tliis specimen ; hut, judping from the figure, and Avhat I knoA\' 
* Trans. R. Soc. S. Austr., ISOS, xxii, Pt. 2, p. 77. 
