98 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



This species was found in considerable numbers at one station, 

 D5613, off Celebes, 752 fathoms (1,375 meters); bottom temperature 

 not given. It has also occurred in fewer numbers at D5612, Gulf of 

 Tomini, Celebes, 750 fathoms (1,370 meters); D5654, Gulf of Boni, 

 805 fathoms (1,472 meters), bottom temperature 38.3° F. (3.5° C); 

 and D5668, Macassar Strait, 901 fathoms (1,648 meters), bottom 

 temperature, 38.2° F. (3.4° C). 



Ammochilostoma rotundata — Material examined. 



Genus AMMOSPHAEROIDINA Cushman, 1910. 



AMMOSPHAEROIDINA SPHAEROroiNIFORMIS (H. B. Brady). 



Haplophragmium sphaeroidiniformis'H.. B. Brady, Eep. Voy. Challenger, Zoology, 



vol. 9, 1884, p. 313. 

 Ammosphaeroidina sphaeroidini/ormis Cushman, Bull. 71, U. S. Nat. Mus., pt. 1, 



1910, p. 128, fig. 202 (in text). 



Specimens referable to this species were found at four stations: 

 D5259, off northwestern Panay, 312 fathoms (571 meters), bottom 

 temperature 49.3° F. (9.6° C); D5348, Palawan Passage, 375 fath- 

 oms (686 meters); D5467, east coast of Luzon, 480 fathoms (878 

 meters); and D5621, Mokicca Passage, 298 fathoms (545 meters). 



Ammosphaeroidina sphaeroidiniformis — Material examined. 



AMMOSPHAEROIDINA GRANDIS Cushman, 



Plate 9, fig. 4; plate 16, fig. 5. 



Ammx)sphae)-oidina grandis Cushman, Proc. U. S. Nat. Mus., vol. 38, 1910, p. 442, 

 figs. 17-19 (in text). 



