FORAMINIFERA OF THE ATLANTIC OCEAN. 



Description. — Test consisting of a number of chambers, rapidly 

 increasing in size as added, early chambers more or less indistinct, 

 irregularly arcuate, later ones larger and more distinct, nearly in a 

 straight line; walls of coarse sand grains, rather roughly cemented, 

 surface rough; aperture simple, small, with a short neck. 



Length up to 2 mm. 



Distribution. — ^The published records for this species cover most 

 parts of the world from which foraminifera have been recorded, 

 and it is a relief occasionally to find papers like the recent ones of 

 Chapman's on the Foraminifera of the Antarctic Expedition which 

 do not record it. As noted in an earlier paper, * the original figures 

 and later poor copies, together with the series given by Brady, have 

 led to a habit of putting under this name all sorts of things which 

 did not seem to fit well elsewhere. That there is a very fairly well- 

 defined species to which the name can be applied has been apparent 

 from a study of the Albatross Atlantic material. No material was, 

 however, found in the Gulf of Mexico. The Goes material from 

 D2355 off Yucatan is typical of the more tropical material referred 

 to this species, and even this seems different from the species in 

 cold water in both form, size, and general appearance. In his set 

 of mounted material from this station Goes also included specimens 

 which are R. bilocularis Flint. 



A have seen typical specimens also in Goldseeker material from 

 north of the British Isles. 



Reophax scorpiurus — material examined. 



REOPHAX PILL'LIFER H. B. Brady. 



Plate 2, fig. 1. 

 Reophax jnlulifer H. B. Brady, Rep. Voy. Challenyer, Zoology, vol. 9, 1884, 

 p. 292, pi. 30, figs. 18-20.— H. B. Brady, Parker, and Jones, Trans. Zool. 

 Soc. London, vol. 12, pt. 7, 1888, p. 217, pi. 41, figs. 5-8(?).— Chapman, 

 Proc. Zool. Soc. London, 1895, p. 15. — Goes, Bull. Mus.Comp. Zool., vol. 

 29, 189G, p. 27.— Flint, Rep. U. S. Nat. Mus., 1897 (1899), p. 273, pi. 18, 

 fig. 1.— GusHMAN, Bull. 71, U. S. Nat. Mus., pt. 1, 1910, p. 85, figs. 117, 

 118.— Pearcey, Trans. Roy. Soc. Edinburgh, vol. 49, 1014, p. 1007. 



1 Cull. 71, U. S. Nat. Mus., pt. 1, 1910, p. 85 



