ON THE LIFE-HISTORY OF THE FORAMINIFEK A. 173 



A fuller account of the process of reproduction, with what 

 I am able to make out of the nuclear changes, will be reserved 

 for another paper. 



List of Works Referred to. 



1. D'Archiac and Haime. Monographie des Nummulites. Paris, 



1853. 

 la. Brady, H. B. Eeport on the Foraminifera dredged by H.M.S. 

 Challenger. Challenger Reports, vol. 29, July, 1884. 



2. Note on the Reproductive Condition of Orhitolites complanata ; 



var. laciniata. Jour. Roy. Mic. Soc, 1888, Part 2, p. 693. 



3. Brandt, K. Die koloniebildenden Radiolarien (Sphaerozoen) des 



Golfes von Neapel. Fauna und Flora des Golfes von Neapel, 13, 

 1885. 



4. Neue Radiolarienstudien. Mittheilungen fiir den Verein 



Schleswig-Holsteiniacher Aerzte, XII., 1890, 3, p. 38. 



5. Van den Broeck, E. Etude sur le dimorphisme des Foraminiferes. 



Bull. Soc. Beige de Geologie, Bruxelles, vol. 7, 1893, p. 6. 



6. BiJTSCHLi, 0. Protozoa, Abth. 1. Bronn's Thierreich, vol. 1. Leipzig 



und Heidelberg, 1880-82. 



7. Kleine Beitrage zur Kenntniss einiger mariner Rhizopoden. 



Morph. Jahrb., vol. 11, 1886, p. 78. 



8. Carpenter, W. B. Introduction to the Study of the Foraminifera. 



Ray Society. London, 1862. 



9. Report on the Specimens of the Genus Orhitolites, collected by 



H.M.S. Challenger, Challenger Reports, vol. 7. 



10. Carter, H. J. On the Structure of the Foraminifera. Ann. and 



Mag. of Natural History, 3, VIII., 1861, p. 309. 



11. Ehrenberg. Verbreitung und Einfluss des mikroskopischen Lebens 



in Slid- und Nord-Amerika. Abh. Konig. Akad. Wiss., Berlin, 

 1841, Th. 1, p. 291. 



12. Gervais, p. Sur un point de la Physiologic des Foraminiferes. 



Comptes Rendus, 1847, vol. 25, p. 467. 



13. Greenwood, Miss M. On Digestion in Hydra. Journal of Physio- 



logy, vol. 9, No. 5, p. 317. 



14. Gruber, a. Die Protozoen des Hafens von Genua. Nova Acta 



Acad. C.L. XLVL, 1884. 



15. De La Harpe. Sur I'importance de la loge centrale chez les Num- 



mulites. Bull. Soc. Geol. de France, 3, IX., 1881, p. 171. 



15a. Etudes des Nummulites de la Suisse. Mem. d. 1. Soc. palc^ont. 



Suisse, vol. 7, 1880 (published 1881). (See also 19a, p. 91.) 



VOL. VI, 16 



