42 
and rapidly expanding body whorl. AVhen the older whorls are at all well 
presei’ved they are found to he more or less straight-walled, as in Moore’s 
figures of both. I have, therefore, separated these shells on the lines here laid 
down. 
Two figures, exclusive of the types, are extant, both or either, of which 
may he the present form P. variabilis, Moore, sp., or equally so P. reflecta, 
Moore, sp. The first is Mr. P. Etheridge’s Natica lineata from the Upper 
Cretaceous of Maryborough, Queensland ; the second, a specifically unnamed 
cast from the Lower Cretaceous of the Lake Eyre Basin in South Australia, 
and figured by Mr. A\^. II. Iludleston. IMy former illustrations were simply 
copies of the type, and the first of those now referred to. 
Log. — AITiite Cliffs Opal- field, near AVilcannia, North- AA^est N. S. AVales 
(//. Y. L. Brown and F. G. de V. Gipps). 
llor . — Upper Cretaceous (AA^hite Cliffs Opal Series). 
Colhi . — Brown (Adelaide), and Gipps. 
PSEUDAMATJRA REFLECTA, MoOVG, sp. 
(PL II, yigs. 13-10.) 
BGlphinulo rr^flccid, ]\Ioore, Quart. .Journ. Gcol. See., 1870, XXVI, p. 250, t. 10, f. 21. 
Felphinula rejlecta, EtL. fi!.. Cat. Austr. Fo-ss., 1878, p. 111. 
Sp. Char . — Shell broader than high, inflated ; spire of three or four 
volutions, pointed and variable in height, but the body whorl out of all 
proportion to the older whorls in size ; older whorls more or less straight- 
Avalled, slightly flattened or shoulder-like around the sutures ; body whorl 
large, inflated, and extended. Sutures channeled. Mouth ovate, straight 
above, narrowed below; outer lip very convex in outline; inner lip much 
thickened, reflected, and closely attached to the shell, forming a thick callus ; 
umbilicus, when visible, more or less slit-like. Surface transversely striate on 
the body whorl, that of th.e older whorls unknown. 
Ohs . — I have already explained the confusion that has certainly pre- 
existed in my own mind, and possibly in the minds of others, as to the 
identity of this shell. It exemplifies the great inconvenience caused by the 
