FORAMINIFEKA OF THE PHILIPPINE AND ADJACENT SEAS. 277 



Typical specimens of this species wer.e obtained from material 

 dredged at the following stations: D5133, SuluSea off western Minda- 

 nao, 38 fathoms (70 meters); D5172, vicinity of Jolo, 318 fathoms 

 (582 meters); D5218, between Burias and Luzon, 20 fathoms (37 

 meters); D5236, Pacific Ocean east coast Mindanao, 494 fathoms 

 (903 meters), bottom temperature 41.2° F. (5.1° C); D5268, Verde 

 Island Passage and Batangas Bay, 170 fathoms (311 metere); D5469, 

 east coast Luzon, San Bernardino Strait to San Miguel Bay, 500 

 fathoms (914 meters); D5572, north of Tawi Ta\\T[, 334 fathoms (611 

 meters) ; bottom temperature 52.3° F. (11.2° C.) ; D563S, Bouro Island 

 (south) and vicinity, 517 fathoms (946 meters). 



SipJiogenerina columellaris — Material examined. 



SIPHOGENERINA BIFRONS (H. B. Brady). 



Plate 56, figs. 2, 3. 

 Sagrina bifrons H, B. Brady, Quart. Journ. Micr. Sci., vol. 21, 1881, p. 64; Rep. 



Voy. Challenger, Zoology, vol. 9, 1884, p. 582, pi. 75, figs. 18-20. 

 Siphogenerina {Sagrina) bifrons Egger, Abh. kon. bay. Akad. Wiss. Miinchen, 



CI. il, vol. 18, 1893, p. 317, pi. 9, figs. 25, 26, 29.— Cushman, Bull. 71, U. S. 



Nat. Mus., pt. 3, 1913, p. 105, pi. 45, figs. 1, 2, 5-7. 



This species occurred at a number of stations in the region as fol- 

 lows: D5121, east coast of Mindoro, 108 fathoms (198 meters); 

 D5138, vicinity of Jolo, 19 fathoms (35 meters); D5201, Sogod Bay, 

 southern Leyte Island, 554 fathoms (1,012 meters), bottom tempera- 

 ture 52.8° F. (11.5° C); D5242, Pujada Bay and vicinity, 191 fathoms 

 (350 meters), bottom temperature 64.1° F. (17.8° C); D5281, China 

 Sea, vicinity southern Luzon, 201 fathoms (368 meters), bottom 

 temperature 50.4° F. (10.2° C); D5318, China Sea, vicinity of For- 

 mosa, 340 fathoms (622 meters); D5445, east coast of Luzon, 383 

 fathoms (699 meters), bottom temperature 44.3° F. (6.8° C); D5538, 

 between Negros and Siquijor, 256 fathoms (468 meters), bottom 

 temperature 53.3° F. (11.8° C); D5630, south of Patiente Strait, 

 569 fathoms (1,040 meters); D5666, Macassar Strait, 272 fathoms 

 (498 meters), bottom temperature 47.5° F. (8.6° C). 



