Recent and Fossil Foraminifera. 307 



Hyperammina migans (Brady) Brady, 1884, Foram. 'Challenger,' p. '260, pi. 



xxiv. figs. 1-9. 

 Ditto. Brady) Goes, 1894, Arctic and Scandinavian Foraminifera. p. 17. 



pi. iv. fig. GO. 

 Ditto. (Brady) Earland, 1905, Jonrn. Qnekett Micr. Olnb, ser. 2, vol. ix., 



No. 57, p. 199. 



This organism, which represents one of the simplest conceiv- 

 able types of Rhizopod life, occurs quite frequently in washings of 

 algse from the Mixon Reef, usually in a more or less fragmentary 

 condition. Fragments are also found in the shore-sands. There is 

 considerable variety in the texture of individual specimens, some 

 only utilizing the finest sand-grains mixed with a considerable 

 amount of cement, while in others the sand utilized is much coarser 

 and the cement is inconspicuous. Under favourable conditions 

 the species, which grows attached to other organisms, probably 

 attains to a considerable size, as many of the fragments appear 

 to have been broken from quite large patches of labyrinthic tubes. 



Until Earland (supra) recorded this species from the neigh- 

 bouring locality of Eognor, where it is equally abundant, the only 

 British record was Canon Norman's from a dredging off Oban, 

 quoted by Brady (supra). The species is of world wide distribution, 

 but normally a deep water type, often occurring in enormous 

 abundance in deep dredgings. 



318. Reophax ampullacea Brady. 

 (Plate IX. figs. 7, 8.) 



Reophax ampullacea Brady, 1881, Quart. Jouru. Micr. Sci., vol. xxi., N.S., 



p. 49. 

 Ditto. Brady, 1884, Foram. ' Challenger,' p. 290, pi. xxx. fig. 6. 

 Ditto. (Brady) Chapman, 1892, Journ. R. Micr. Soc, p. 320, pi. v. fig. 2. 

 Ditto. (Brady) Millett, 1899, Journ. K. Micr. Soc, p. 253, pi. iv. fig. 9. 



One recent specimen, which presents the same curious selective 

 habits as we have remarked upon in dealing with Verneuilina 

 polystropha and Haplophragmium agglutinans, grains of garnet 

 and magnetite entering largely into the construction of the test. 

 The species may be considered as an arenaceous isomorph of 

 Lagena marginata. Reophax difflugiformis being an equivalent 

 isomorph of the rotund species Lagena globus/'. 



319. Reophax in si ton,, is Williamson sp. 



Proteoninafusiformis Williamson, 1858, Kecent Foram. Gt. Britain, pi. 1, fig. 1 

 Reophax fusiform is (Williamson) Siddall, 1879, Cat. Recent British Foram., 



p. 4. 

 Ditto. (Williamson) Brady, 1881, Foram. 'Challenger,' p. 290, pi. xxx. 



figs. 7-11. 

 Ditto. (Williamson) Brady, 1887, Synopsis British Recent Foraminifera. 



We have a record of this species, but the slide having been 

 mislaid or lost we cannot give any further information respecting 

 it. It was, however, of recent origin, the species being widely 

 distributed round our coasts. 



