380 DONATIONS. 



Pennsylvania. Franklin Institute, Journal of the. 3rd Series. 

 Vol. xxxiii. No. 2. February 1857. 

 E. Morris. — Ohio River, 73. 

 C. EUet.— Ohio River, 78. 

 Bessemer. — Iron-manufacture, 133. 



. . 3rd Series. Vol. xxxiii. No. 3. March 



1857. 



E. Morris. — Improvement of the Ohio River, 145. 

 Aluminium, 210. 



o 3rd Series. Vol. xxxiii. No. 4. April 



1857. 



H. D. Rogers. — Geology and Physical Geography of North Ame- 

 rica, 224. 



Report on the Twenty-fifth Exhibition of 



American Manufactures. 1857. 



, 3rd Series. Vol. xxxiii. May 1857. 



No. 5. 



H. D. Rogers. — Geology and Physical Geography of North Ame- 

 rica, 319. 



Photographic Society, Journal. Nos. 52-55. 



Quarterly Journal of Microscopical Science (and Transactions of the 

 Microscopical Society). No. 19. April 1857. 



A. Beardsley. — Diatomaceous deposit in Leven Water, near 

 Coniston, 146. 



Royal Geographical Society, Proceedings. No. 7. February 1857. 



-. — : . No. 8. March 1857. 



— . Journal. Vol. xxvi. 1856. 



Royal Society. Proceedings. Vol. viii. No. 25. 1856. 



T. S. Hunt. — The Serpentines of Canada and their associated 



rocks, 423. 

 P. Yorke.— Silica, 440. 



St. Petersburg. Verhandlungen der Russisch-Kaiserlichen mineralo- 

 gischen Gesellschaft zu St. Petersburg. Jahrgang 1855-56. 

 1856. 



Holmberg, H. J. — Hydrographische und orographische-geo- 



gnostische Beobaclitungen im nordlichen Fiunland, als Er- 



gebnisse der Golduntersuchungen in den Jahren 184/, 



1848, und 1850, 1 (map). 

 Jeremejew, P. — Geognostische Beobachtungen an den Ufern des 



Wolchow, 63. 

 Romanowsky, G. — Geognostische Uebersicht des siidlichen Theils 



des Gouvernements Rjasan, 85 (map). 

 Meglitzky, N. — Geognostische Skizzen von Ost Sibirien. I. Der 



Baikal und seine Umgebungen, 109 (map). 

 Gadolin, A. — Beobachtungen iiber einige Mineralien aus Pitka- 



ranta in Finnland, 173 (plate). 

 Barbeaut-de-Marnv, N. — Mineralogische Novellen voni Ural, 



197. 

 Mendellejew, D. — Pyroxen aus Ruskiala in Finnland, 20/. 



