FORAMINIFERA OF THE PHILIPPINE AND ADJACENT SEAS. 153 



Tyjpe specimen. — (Cat. No. 8509, U.S.N.M.) from Albatross station 

 D5612, Gulf of Tomini, Celebes, 750 fathoms (1,371 meters). 



This is a large species, very robustly built, the early portion con- 

 cavely triangular, the latter portion very much rounded. The 

 specimen figured shows but a few of the biserial chambers. 



The species has also occurred at D5637, south of Bouro Island 

 700 fathoms (1,280 meters), and D5670, Macassar Strait, 1,181 

 fathoms (2,160 meters). Bottom temperature was recorded in the 

 last case only— 38.2° F. (3.4° C). 



Gaudryina robusta — Material examined. 



Genus TRITAXILINA Cushman, 1911. 



TRIT.4IILINA CAPER ATA (H. B. Brady). 



Plate 28, figs. 4a, h. 

 Clavulina caperaia H. B. Brady, Quart. Journ. Micr. Sci., vol. 21, 1881, p. 54. 

 Tritaxia caperafa H. B. Beady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, 



p. 390, pi. 49, figs. 1-7. 

 Tritaxilina caperata Cushman, Bull. 71, U. S. Nat. Mus., pt. 2, 1911, p. 71, figs. 



112-113 (in text). 



Excellent specimens showmg the typical adult condition as given 

 in Brady's figures, and broken ones showing the radiating labyrinthian 

 portion of the interior, occurred at five stations: D5244, vicinity of 

 Pujada Bay, 171 fathoms (313 meters), bottom temperature not 

 recorded; D5261, off southeastern Mindoro, 145 fathoms (265 me- 

 ters), bottom temperature not recorded; D5241, Pujada Bay and 

 vicinity, 215 fathoms (393 meters), bottom temperature not recorded; 

 D5277, China Sea, vicinity southern Luzon, 80 fathoms (146 meters), 

 bottom temperature 58.6° F. (14.7° C.) ; and D5318, China Sea, vicinity 

 Formosa, 340 fathoms (622 meters) , bottom temperature not recorded. 

 Brady records the species off the Philippine Islands in 95 fathoms 

 (173 meters); and off Kandavu, Fiji Islands, 250 fathoms (457 



meters) . 



Tritaodlina caperaia — Material examined. 



