86 Bibliography of the Foraminifera. 



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

 delphia, 1833. Plates. 

 [Paliimla.^ 



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

 stones and their associated beds in South Northumberland. — 

 Trans. N. England Inst. Mitt. Eng., vol. xxiv, 1875, PP- ISS^HS- 



Newcastle. 



Range of Saccammina Carteri (Brady). — Geol. Alag, dec. 2, 



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



Outlines of the Geology of Northumberland and Durham.— 



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

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



LECLERC DE BUFFON, vide BUFFON. 



LEDERMiJLLER, Martin Frobenius. 1719-1769.— Mikrosko- 

 pische Gemiiths- und Augen-Ergotzungen. — 4to. Beyreitth, 

 1 760- 1 76 1, plates ; ed. 2, Nurinberg, 1763 ; and in French — 

 Amusement Microscopique, &c., 4to., Nuremberg, 1 764-1 768, 

 plates. 



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

 with remarks on collecting, mounting, and viewing Foraminifera 

 as microscopic objects. — Traits. Microsc. Soc. Lond., ser. 2, vol. 

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



LEIDY, Joseph. — Remarks on some Marine Rhizopods. — Proc, 

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

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



Remarks on Eozoon. — Proc. Acad. Nat. Sci. 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.] — Pt'oc. Acad. Nat. 



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

 p. 295. Philadelphia; Cantbridge, Mass. 



LEPSIUS, G. Richard. — Das Mainzer Becken geologisch beschrie- 

 ben. — Festschrift stir Feier des '^o jdhrigett BesteJicns der RJieinis- 

 cheti Naturforschenden Gesellschaft in Mains. — 4to. Darntstadt, 

 1883. 181 pp., map [Lists]. 



