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CLASS PTEROPODA. 
BIBLIOGRAPHICAL REFERENCES. 
1. Tate, ‘‘ Pteropods of the Older Tertiary of Australia,” in Trans. Roy. 
Soc., S. Aust., vol. [IX., 1887. 
2. Harris, ‘‘ Tertiary Mollusca of Australasia,” British Museum Publica- 
tion, 1897. 
Genus Limacina, Lamarck, 1819. 
Spiralis, Eydoux and Souleyet, 1840. 
L. tertiaria, Tate. 
Sptiralis tertiaria, Tate, 1, p. 196. 
Limacina tertiaria, Harris, 2, p. 19° 
Eocene.—Muppy Creex and Mornington (Victoria). 
Genus Stryiioita, Leswewr, 1825. 
S. annulata, Tate, 1, p. 195. 
EocENE.—ADELAIDE-BORE. 
S. biearinata, Tate, 1, p. 195. 
EoceENE.—Muppy Creek, Victoria. 
S. Rangiana, Tate. 1, p. 194. 
Clio (Styliola) Rangiana, Harris, 2, p. 20. 
EocEnE.—Muppy Creek and Mornington. 
GENUS VAGINELLA, Daudin, 1800. 
V. eligmostoma, Tate, 1, p. 195: id., Harris, 2, p. 21. 
Mr. Harris gives the result of a comparison of the specimens 
of this species and V. depressa of the Bordeaux basin, a resem- 
blance that I had noted, which justifies the retention of 
V. eligmostoma for the Australian fossil. 
Eocene.—Muppy Creek, Gelibrand River, and Mornington 
(Victoria). 
Genus Hyaea, Lamarck, 1799. 
HYALEA, sp. 
Kocene at Mornington. 
As yet only one example is known to me, but most unfortu- 
nately it broke to pieces on immersion in water to free it from 
the clayey-matrix, and before I had investigated its specific re- 
lationships. 
