445 
Section— MOLLUSCA VERA. 
Class — P elbctpoda. 
Order— OSTRACKA, 
Family— OSTEEIDJ3. 
Genus — OSTRJSA, Linnceus, 1758. 
(Systema, Ed. x., p. 091!.) 
OsTEEA TESicuLOSA, J. Sowerhy, sp., PI. 21, figs. 1-3. 
GrypTicea vesiculosa, J. Sby., Min. Con., 1822, iv., p. 93, t. 309. 
Ostrea vesiculosa, Coquand, Mon. Ostrea, 1869, p. 152, Atlas, t. 59, f. 4-7. 
„ 11 Pictet and Canipiohe, Descrip. Foss. Terr. Crdt. Env. St. Croix, 1871, 4c Pt., p. 311, 
t. 194, f. 1-6. 
Ohs. Three individuals of this characteristic and widely distributed shell have 
been obtained in Queensland. They correspond in general characters with the excellent 
figures by MM. Pictet and Campiche, of their specimens from the Upper Gault of 
St. Croix. 
Loc. Gypsum Mine, Chollarton {Hon. A. O. Gregory). 
Family— PECTINIDiE. 
Genus — PJECTUH, 0. F. Muller, 1776. 
(Zool. Danicae Prod., p. xxxi.) 
Pecten Mooeei, sp. nov., PI. 21, fig. 20. 
Pecten fivibriatus, Moore, Quart. Journ. Geol. Soo., 1870, xxvi., p. 248, t. 11, f. 8. 
Sp. Char. Shell rather convex, with numerous longitudinal slightly nodulated 
costa! at the front of the shell, and, continuing to about the middle, where they die out, 
are faint intermediate stria!. These are crossed by regular concentric fimbriated stria!, 
which in the interspaces are produced beyond the shell. 
Ohs. The name assigned to this species by Mr. Moore was preoccupied by Philippi* 
for a Sicilian Tertiary species. Under these circumstances, the foregoing designation 
may be accepted in its place, with the view of avoiding confusion. 
Loc. Wollumbilla {The late JRev. W. JB. Clarke). 
Pecten iEQUiLiNEATUS, Moore, PI. 21, fig. 10 (? fig. 8). 
Pecten? eequilineatus, Moore, Quart. Journ. Geol. Soc., 1870, xxvi., p. 248, 1. 11, f. 11. 
Sp. Char. Shell ovately orbicular, moderately convex ; surface covered with 
numerous raised divergent longitudinal striae, crossed by about the same number of 
equally raised concentric costa), which n.arrow towards the ajiex, where, decussating the 
longitudinal striae, they present small folds or punctate-looking bosses ; interstitial 
spaces smooth, auricles large, unequal. {Moore.) 
Ohs. This shell approaches nearest in ornamentation to the P. retiferus of the 
Great Oolite, but it has a much larger number of concentric costse, and is much 
more delicately marked than that shell. Several ill-preserved valves have been observed 
in the various collections examined, which may perhaps be referred to this species. A 
specimen of this description is figured (PI. 21, fig. 8). 
Loc. Wollumbilla {Thelate Rev. W. B. Clarke). ? Aramac (PI. 21, fig 8). 
* Enum. Moll. Sicilice, 1844, ii., p. 61. 
