143 
fr 
On some Carboniferous Marine Fossils. 
q ‘By the Rey. J. E. 'Tentson-Woons, F.G.S., F.LS., Vice-Pres. 
j Linn. Soc., N.S.W. ; Hon. Mem. Roy. Soc, N.S.W., ce. 
[Read before the Royal Society of N.S. W., 4 October, 1882.] 
: Texhibit tonight two good specimens of Aphanaia mitchelli 
: (Cor), and a very large one of A. gigantea (De Koninck), which 
. Amongst the fossils sent to Europe by the eminent 
explorer, Sir T. Mitchell, and also by the Rev. W. B. Clarke, to — 
_ Stones of Glendon and Wollongong, which were described by 
sor M‘Coy* as a species of Znoceramus. It was, however, 
only with considerable doubt that it was referred to that genus. 
fhe diagnosis is asfollows :— Longitudinally ovate, one-fifthlonger 
wide, ightly oblique, inflated, hinge-line oblique, nearly 
_ “qualling the width of the shell, forming a slightly compressed 
Se ks of growth. 
Po ay 4 margin of this species is much thickened, which removes 
, rom Posidonia ; while, as in many of the German cretaceous 
nocerami. it 18 not possible to observe any traces of the transverse 
aaa pits, nor can we be sure whether thesespecies possessed 
fea not. Meanwhile I shall leave the present species 1m the 
cane vs 28 its obvious allies alluded to; and even if future 
Sine 
es three lines; width, one inch nine JINeS 5 
ides? Sbout an inch and a-half, Dedicated to Sir Thomas 
+ _2,0ne of the first to make known the existence of fossils in 
Tocks (W, 
ollongong).” 
— 
Pu nals of Nat, Hist., vol. xx (1847), p. 299, plate 1, fig. 1. 
Professor Sedgwick, there were a few specimens from the sand- 
