JOURNAL 



OF THE 



ROYAL MICROSCOPICAL SOCIETY 



AUGUST, 1910. 



TRANSACTIONS OF THE SOCIETY. 



XI. — On the Recent and Fossil Foraminifera of the SJwre-sands 

 of Selsey Bill, Sussex. — V. The Cretaceous Foraminifera. 



By Edward Heron-Allen, F.L.S., F.R.M.S., 

 and Arthur Earland. 



(Bead May 25, 1910.) 

 Plates VI.-XI. 



We have already, on more than one occasion, called attention to 

 the presence, among the floatings and washings of Foraminiferous 

 material from these sands, of a large proportion of fossil forms 

 from the Upper Chalk.* It was not, however, until we had 

 systematically examined gatherings from all points of the shore, 

 and assisted Nature by breaking open some hitherto undamaged 

 flint sponges found between tidemarks on the beach, that we 



* See this Journal, 1908, p. 540 ; 1909, p. 307. 



EXPLANATION OP PLATE VI. 



Fig. 1. — Nubecularia lucifuga Dofrance. x 50. 

 „ 2.— Ditto. Ditto. 



,, 3. — Spiroloculina excavata d'Orbigny. x 50. 

 ,, 4. — Haplaphragmium inflatum Reuss sp. x 50. 

 „ 5.— Ditto. Ditto. 



,, 6. — Spiroplec ta prselonga Reuss sp. x 100. 

 ,, 7. — Clavulina angularis d'Orbigny. x 100. 

 „ 8. — Bulimina ovata d'Orbigny. x 50. 

 „ 9. — B. pyrula d'Orbigny. x 100. 



„ 10.— Ditto. Oral view, x 100. 



„ 11.— B. elegans d'Orbigny. x 100. 



„ 12. — B. elcgantissima d'Orbigny. x 150. 



„ 13. — Virgulina schreibersiana Czjzek sp. x 150. 



Aug. 17th, 1910 2 E 



