no. 1608. FORAMINIFERA FROM THE HAWAITANISLANDS—BAGG. 147 
CRISTELLARIA CULTRATA (Montfort). 
Robulus cultratus MoNntTrort, Conchyl. Syst., I, 1808, p. 214, 54 genre. 
Distinguished from Cvistellaria rotulata by its carinate border. 
Occurs with the latter less frequently but is usually in somewhat 
deeper water. Cretaceous to Recent. Present at Stations D. 4000, 
H. 4566, and H. 4696. 
CRISTELLARIA ELEGANTISSIMA (Costa). 
Robulina elegantissima Costa, Pal. Napoli, 2, 1854, p. 198, pl. xx, fig. 4. 
= Compare ref. in Gores, Kongl., Svenska, Vtenskaps Akad. Handl. XXV, 
- No. 9, p. 64. 
I think I am right in ascribing to the above species the form de- 
scribed below. The test 1s much compressed and’ rather strongly 
striate with smooth ultimate chamber shghtly prolonged. The out- 
line is quadrangular and the periphery bluntly rounded without keel. 
There are about seven chambers visible in the last convolution, the 
inner ones but faintly visible, the latter clearly marked by the slightly 
depressed septa. The aperture is fissurine, somewhat prolonged but 
not tubular. The shell we find of a grayish-white color and large for 
the genus. In general growth the test strongly resembles Cristellaria 
crepidula, but 1t is more stoutly built, and there is a difference in the 
method of extension of the chambers forming the last convolution. 
There is a figured form of Cristellaria in Professor Williamson’s 
Monograph on the Recent Forminifera of Great Britain which 
roughly resembles the present form (fig. 55, pl. 1), but the latter is 
provided with a well-defined flange. Present at Station H. 4508 of 
the Albatross. 
Our one specimen is comparable to the figured specimen of A. 
-Goes.4 
CRISTELLARIA GIBBA d’Orbigny. 
Cristellaria gibba DORBIGNY, Horam. Cuba, 1839, p. 63, pl. vu, figs. 20, 21. 
* Sublenticular, equally biconvex, smooth, characterized by the 
somewhat inflated and protuberant final segment, and its contracted 
septal face.” 8 
Cosmopolitan, but usually at depths of less than 500 fathoms. 
Cretaceous to Recent. Found at Stations D. 4000 and H. 4694, but 
not common. 
4 Arctic and Scand. Recent Foram., p. 64, pl. x1, fig. 642 6. 
6 lint, Recent Foram., p. 317. 
