245-274 MINERALOGY. METALLURGY. 14 



245. Dr. N. T. TRUE (Editor of Maine Farmer), Bethel, Me. 



246. Dr. CHAS. A. TUFTS, Dover, N. H. 



247. WM. S. VAUX (Vice President and Curator, Academy of Natu- 

 ral Sciences of Philadelphia) , No. 1700, Arch street, Philadel- 

 phia, Pa. 



248. Prof. A. E. VERRILL (Professor of Zoology, Yale College), 

 New Haven, Ct. 



249. C. F. WADSWORTH (Curator of Mineralogy, Buffalo Society of 

 Natural Sciences), Buffalo, N. Y. 



250. Miss L. E. WALKER (Assistant Curator of Mineralogy, Wor- 

 cester Society of Natural History), Worcester, Mass. 



251. Prof. HENRY A. WARD (Professor of Natural Sciences, Roches- 

 ter University), Rochester, N. Y. 



252. JOHN W. WARD, Salem, Salem Co., N. J. 



253. W. E. WELLINGTON, Dubuque, Iowa. 



254. CHAS. B. WHITING (Assistant Curator of Mineralogy, Worces- 

 ter Society of Natural History), Worcester, Mass. 



255. S. F. WHITNEY, Brooklyn, N. Y. 



256. CHAS. P. WILLIAMS, No. 158, Walnut street, Philadelphia, Pa. 



257. Dr. S. C. WILLIAMS, Silver Springs, Lancaster Co., Pa. Local. 



258. HENRI N. WOODS, Rockport, Mass. 



METALLUKGY. 



259. OSCAR D. ALLEN, Camden, N. J. 



260. WILLIAM ASHBURNER, San Francisco, Cal. 



261. Prof. JAMES C. BOOTH, U. S. Mint, Philadelphia, Pa. 



262. Prof. GEORGE J. BRUSH (Professor of Mineralogy and Metal- 

 lurgy, Yale College), New Haven, Ct. 



263. Prof. THOMAS EGLESTON (Professor of Mineralogy and Metal- 

 lurgy, Columbia College), No. 10, Fifth avenue, New York, N. Y. 



264. Dr. F. A. GENTH, No. 108, Walnut street, Philadelphia, Pa. 



265. Prof. N. P. HILL, Providence, R. I. 



266. JAMES T. HODGE, Newburg, N. Y. 



267. HENRY JANIN, San Francisco, Cal. 



268. Louis JANIN, Virginia City, Nevada. 



269. EDWARD N. KENT, U. S. Assay Office, New York, N. Y. 



270. GUIDO KUESTEL, San Francisco, Cal. 



271. GIDEON E. MOORE, Virginia City, Nevada. 



272. Prof. JOHN TORREY, (U. S. Assayer), New York, N. Y. 



273. Prof. J. D. WHITNEY (State Geologist of California), San 

 Francisco, Cal., and Northampton, Mass. 



274. HENRY WURTZ, New York, N. Y. 



