308 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Discorbis, species (?) — Material examined. 



Cat. 

 No. 



Coll. of— 



No. of 

 speci- 

 mens. 



Station. 



D5201. 

 D5236. 



Locality. 



10 10 00 N.; 125 04 15 E. 

 8 50 46 N.; 126 26 52 E. 



Depth 



in 

 fath- 

 oms. 



Bot- 

 tom 

 tem- 

 pera- 

 ture. 



654 



494 



'F. 

 52.8 

 41.2 



Character of 

 bottom. 



gy.s.,m. 

 fne. gy. s. 



Abundance. 



Genus CYMBALOPORA Hagenow, 1850. 



CYMBALOPORA POEYI (d'Orbigny). 



Plate 59, figs. 2a-c. 



Rotalia squammosa d'Orbigny {nomen nudum), Ann. Sci. Nat., vol. 7, 1826, p. 



272, No. 8. 

 Rosalina poeyi d'Orbigny, in De la Sagra, Hist. Fis. Pol. Nat. Cuba, 1839, "For- 



aminif^res," p. 92, pi. 3, figs. 18-20. 

 Cymbalopora poeyi Carpenter, Introd. Foram., 1862, p. 215, pi. 13, figs. 10-12. — 



H. B. Brady, Rop. Yoy. Challenger, Zoology, vol. 9, 1884, p. 636, pi. 102, figs. 



13a-c.— CusHMAN, Bull. 71, U. S. Nat. Mus., pt. 5, 1915, p. 24, pi. 10, fig. 1; 



pi. 14, fig. 5. 



The typical form of the species has occurred at a number of 

 stations in the Pliilippine area and to the south, the depths ranging 

 from 12 to 554 fathoms (22 to 1,012 meters), average depth 318 fathoms 

 (582 meters), and the bottom temperatures from 44.3'^ F. to 63.1° F. 

 (6.8° C. to 17.2° C). The most of the stations are in the Archipelago 

 proper, but it was also obtained from station D5590, in 310 fathoms 

 (567 meters), bottom temperature 44.3° F. (6.8° C.) in Sibuko Bay, 



Borneo. 



Cymbalopora poeyi — Material examined. 



CYMBALOPORA POEYI (d'Orbigny), var. BRADYI Cushman. 



Cymbalopora poeyi, var. H. B. Brady, Rep. "Voy. Challenger, Zoolpgy, vol. 9, 



1884, p. 637, pi. 102, fig. 14. 

 Cyinbalopora poeyi (d'Orbigny), var. bradyi Cushman, Bull. 71, U. S. Nat. Mus., 



pt. 5, 1915, p. 25, pi. 10, fig. 2; pi. 14, fig. 2. 



This variety differs from the typical form of the species in its much 

 more compressed form and the much more open arrangement of 

 the chambers on the ventral side. 



