7 
Family — LITUOLIDiE. 
Genus — HAPLOPHRAGMIUM, Reuss. 
Haplophragmium agglutinans, d’Orb, sp. 
(Plate I, Fig. 5.) 
Spirolina agglutinans , d’Orbigny, 1846, Foram. Foss. Vienne, p. 137, PL VII, Figs. 10-12. 
Haplophragmium rectum , Brady, 1876, Mon. Garb, and Perm. Foram., p 66, PI. VIII, Figs. 
8, 9. 
H. agglutinans , (d’Orb.), Chapman, 1895, Ann. Mag. Nat. Hist., ser. 6, vol. XVI, p. 313, PI. 
XI, Figs. 2a, b. 
This species seems to occur but rarely in the washings from Pokolbin. 
Its first geological appearance dates from the Carboniferous in other parts of 
the world. The specimen figured is somewhat unusually irregular in the 
later portion of the test. 
Occurrence. — H. agglutinans was found in the decomposed limestone 
from Pokolbin No. 2 (Mt. Vincent). 
Haplophragmium emaciatum, Brady. 
(Plate I, Figs. 10a, b.) 
Haplophragmium emaciatum, Brady, 1884, Kep. Chall., vol. IX, p. 305, PI. XXXIII, Figs. 
26-28. 
II. emaciatum, Brady, Chapman, 1895, Ann. Mag. Nat. Hist., ser. 6, vol. XVI, p. 315, PI. 
XI, Fig. 6. 
This form is recognised by its thin, evolute spiral test. It has previously 
been noticed in strata as old as the Rhtetic. 
Occurrence. — It is found in the washings from the decomposed lime- 
stone of Wollong. 
Haplophragmium pokolbiense, sp. nov. 
(Plate I. Fig. 6.) 
Description. — Test semi-circular to nearly circular ; spiral ; compressed 
or slightly inflated around the umbilicus ; bilaterally symmetrical. Chambers 
narrow and strongly curved ; sutural lines more or less covered by extraneous 
cement ; the last chamber or so distinctly compressed as compared with the 
rest. Structure arenaceous, of medium coarseness. Length of the figured 
specimen -84 mm. (an average-sized example). 
