86 Bibliography of the Foraminifera. 



LEA, ISAAC. 1792-1886. Contributions to Geology. 8vo. Phila- 

 delphia, 1833. Plates. 

 [Palmttla.] 



LEBOUR, GEORGE A. On the "Great" and "Four-fathom" Lime- 

 stones and their associated beds in South Northumberland. 

 Trans. N. England Inst. Min. Eng., vol. xxiv, 1875, pp. 133-145. 



Newcastle. 



Range of Saccammina Carter! (Brady). Geol. Mag., dec. 2, 



vol. iii, 1876, pp. 135, 136. London. 



Outlines of the Geology of Northumberland and Durham. 



Ed. 2, 8vo. Neivcastle-upon-Tyne, 1886. 156 pp. 

 [Lists of Foraminifera at pp. 123-125.] 



LECLERC DE BUFFON, -vide BUFFON. 



LEDERMULLER, MARTIN FROBENIUS. 1719-1769. Mikrosko- 

 pische Gemiiths- und Augen-Ergotzungen. 4to. Beyreuth, 

 1760-1761, plates; ed. 2, Nurmberg, 1763; and in French 

 Amusement Microscopique, &c., 410., Nuremberg, 1764-1768, 

 plates. 



LEGG, M. S. Observations on the Examination of Sponge-Sand, 

 with remarks on collecting, mounting, and viewing Foraminifera 

 as microscopic objects. Trans. Microsc. Soc. Land., ser. 2, vol. 

 ii, 1853, pp. 19-22. London. 



LEIDY, JOSEPH. Remarks on some Marine Rhizopods. Proc. 

 Acad. Nat. Set. Philad., 1875, pp. 73-76, figure ; Monthly Microsc. 

 Journ., vol. xiv, 1875, pp. 26-28. Philadelphia; London. 



Remarks on Eozoon. Proc. Acad. Nat. Set. Philad., 1877, p. 



20. Philadelphia. 



Foraminiferous Shells of our Coast. Proc. Acad. Nat. Sci. 



Philad., 1878, p. 336 [few lines]. Philadelphia. 



Foraminifera of the Coast of New Jersey. Proc. Acad. Nat. 



Sci. Philad., 1878, p. 292 [few lines]. Philadelphia. 



Fresh-Water Rhizopods of North America. Report U.S. 



Geol. Survey Territories, vol. xii, 1879, 324 pp., 48 plates. 



Washington. 



[Foraminifera in the Drift of Minnesota.] Proc. Acad. Nat. 



Sci. Philad., 1884 (1885), pp. 22 and 23 ; Science, vol. iii, 1884, 

 p. 295. Philadelphia; Cambridge, Mass. 



LEPSIUS, G. RICHARD. Das Mainzer Becken geologisch beschrie- 

 ben.- Festschrift zur Feier des 50 jdhrigen Bestehens der Rheinis- 

 chen Naturforschenden Gesellschaft in Mainz. 4to. Darmstadt, 

 1883. 181 pp., map [Lists]. 



