FORAMINIFERA OF THE PHILIPPINE AND ADJACENT SEAS. 317 



TRUNCATULINA UNGERIANA (d'Orblgny). 



Plate 65, figa. 3o-c. 

 RotaliTUi ungeriana d'Orbigny, Foram. Fobs. Vienne, 1846, p. 157, pi. 8, figs. 16-18. 

 Planorbulitia ungeriana H. B. Brady, Trans. Linn. Soc. London, vol. 24, 1864, 



p. 469, pi. 48, fig. 12. 

 Truncatulina ungeriana Reuss, Denkschr. Akad. Wiss. Wieu, vol. 25, 1865, p. 



161.— H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 664, pi. 94, 



figs. 9a-<J. — Gush- 

 man, Bull. 71, U. S- 



Nat. Mus., pt. 5' 



1915, p. 36, pi. 17, 



fig. 2, text fig. 39. 



This species seems 

 to be well distributed 

 both in the Archi- 

 pelago and in the re- 

 gion to the south. 

 The stations range in 

 depth from 24 to S34 

 fathoms (44 to 525 

 meters), the average 

 depth being 422 fathoms (775 meters). The bottom temperatures 

 range from 41.2° to 73.8° F. (5.1° to 23.2° C), with the average 

 57.5° F. (14.2° C). 



Truncatulina ungeriana — Material examined. 



Fig. 12.— Truncatulina traoERiANA, var. ornata, new vaeiett. 

 X 100. a, dorsal view; 6, ventral view. From station 

 D5623. 



TRUNCATULINA UNGERIANA (d'Orbigny), var. ORNATA, new variety. 



Description. — Variety differing from the typical in the thickened 

 character of the sutures and the periphery, causing a raised orna- 

 mentation. 



Distrihution.—Tjpe specimen (Cat. No. 15723, U.S.N.M.) from 

 Albatross station D5623, between Gillolo and Makyan Islands, in 

 272 fathoms (498 meters). 



Specimens also occur at the neighboring stations, D5622, in 275 

 fathoms (503 meters), and D5537, between Negros and Siquijor, in 

 254 fathoms (465 meters) and two others. 



