no. 1603. FORAMINIFERA FROM THE HAWAIIAN ISLANDS—BAGG. 117 
Subfamily MILIOLININ A. 
Genus BILOCULINA. 
BILOCULINA BULLOIDES d’Orbiegny. 
Biloculina bulloides D’ORBIGNy, Ann. Sci. Nat., VII, No. 1, 1826, p. 297, . 
pl. xvi, figs. 1-4. é 
Thick-shelled globose test with highly inflated segments and cir- 
cular aperture. The species belong to moderate depths and has 
been obtained in all the great oceans rather sparingly, but is more 
common in the North Atlantic. 
Occurs as stated above, and is best developed at depths ranging 
from 300 to about 1,000 fathoms. In the neighborhood of the New 
Guinea Islands this foraminifer has been obtained in very shoal 
waters. It is present at Albatross Stations D. 4000, D. 4025, H. 4555, 
and H. 4696. 
BILOCULINA COMATA Brady. 
Biloculina comata Brady, Quart. Journ. Microsc. Sci., XXII, n. s., 1881, p. 45. 
Similar to Biloculina bulloides, but with the surface covered by 
longitudinal striations, and the shell of large dimensions. Found 
with other biloculine forms in the North Atlantic and the Pacific 
oceans. Rare in the dredgings we have studied. Present only at 
Station D. 4000. 
BILOCULINA DEPRESSA d’Orbigny. 
Biloculina depressa pD’OrRBIGNY, Ann. Sci. Nat., VII, No. 7, 1826, p. 298, 
modele No. 91. 
Margin thin and angular, shell depressed as the name implies. 
The form is closely related to Biloculina ringens, but the latter has 
less sharply defined margin and a different aperture. 
If the foraminifers described and figured by Terquem and Berthe- 
lin from the Lias of Essey-les-Nancy under the name Biloculina lias- 
sica are identical with the present form the species occurs much 
earlier geologically than any of its congenitors. Its recent distribu- 
tion is similar to that of Béloculina bulloides given above. It was 
found at Stations D. 4000, D. 4174, H. 4430, H. 4502, H. 4566, H. 4567, 
H. 4568, H. 4585, and H. 4590. 
BILOCULINA DEPRESSA var. MURRHYNA Schwager. 
Biloculina murrhyna ScHWAGER, Novara-Exped., Geol. Theil, II, 1866, p. 
208, pl. vi, figs. 15 a-c. 
A variety of Biloculina depressa characterized by two angular 
spinous projections near the base of the test and placed symmetri- 
cally apart from the median line. 
