14 
Genus — 13ULIMINA, d’ Orbigny. 
Bulimina affinis, d' Orbigny. 
(Plate II, Fig. 7.) 
Bulimina affinis, d’Orbigny, 1839, Foram. Cuba, p. 105, PI. II, Figs. 25—26. 
Observations. — The occurrence of this genus below the Jurassic is 
extremely rare ; another species, B. pyrula has been recorded from the 
Uli se tic series. The present example is typical of the species. 
Occurrence. — In the decomposed limestone of Wolloug, New South 
Wales. 
Genus — PLEUROSTOMELLA, Reuss. 
? PLEUROSTOMELLA ANTIQUA, Sp. UOV. 
(Plate II, Fig. 5.) 
Description. — Test smooth, compressed, slender, tapering; sutures of 
chambers strongly marked. Earlier segments small, rapidly increasing in size. 
Length, 1 mm. 
Observations . — The present example is referred, with some slight 
reservation, to the above genus, although it is closely comparable in some 
points with the attenuate forms found in the Cretaceous of Europe. 
No examples of this genus have hitherto been detected in strata older 
than the Cretaceous. 
Occurrence. — In the decomposed limestone of Wollong, New South 
Wales. 
Family — LAGENIDiE. 
Genus — LAGENA, Walker and Boys. 
Lagena acuta, Reuss, sp. 
(Plate III, Fig. 10.) 
Fissurina acuta, Reuss. 1862, Sitzungsb. d.K. Ak. Wiss. Wien., vol. XLVI, p. 343, PI. YII 
pp. 90, 91. 
Lagena acuta, Reuss, sp., Brady, 1884, Rep. Chalk, vol. IX, p. 474, PI. LIX, Figs. 6 a, b. 
Observations . — The specimen figured is a section of a Lagena taken 
through the vertical median line; it is most nearly matched by the above species. 
Occurrence. — In thin section of the limestone from Pokolbin, New 
South Wales. 
