432 INDEX. 



Page. 



Green, Jas., Description of Ms new Thermometers. - - 219,217 



Standard Instruments by - 27, 251 



Grounds, Improvement of - 17, 73 



Guest, W. E. , Collections made by - 46 



Guyot, Prof. A. , Directions for Meteorological Observations by 215 



Measurement of Black Mountain, North Carolina 299 



Tables by 18 



Gyroscope, Description of and experiments with - 177 



Hamilton College, New York, Telescope of.. - 78 



Hammond, Dr. J. P. , Collections made by -- 44 



Harney, Gen. , Collections made by - 45 



Harvey, Mr. , Collections made by - — - 45 



Harvey, Wm. Henry, Lectures on AlgsB — 87 



Haven, S. F., Archaeology of the United States 17 



Hawks, Francis L. , Letter from - - 309 



Hayden, Dr. F. V., Collections made by. - - 45 



Henry, Wm. A. , Exploration by - 46 



Hessian fly, History and account of - - 132 



Higgins, Frank, Exchange of shells desired by - - 57 



Hitchcock, Prof. E. , Papers on Geology - - 21 



Hodgson, M. B., Letter from - 309 



Honorary Members of the Institution 6 



Hydro-Meteorological Phenomena, to be observed 234 



Illinois Board of Education, Eesolutions on Meteorology 82 



Illinois Zoology. - - 33 



Insect Instincts and Transformations, Lecture on.. _ - 137 



Insects, Attacks of, on crops, trees, &c 133 



Benefits and uses of - 138 



Affection for their young - - 139 



Habitations 139 



Transformations 138 



Means of defence 140 



Observations to be made 262 



Instinct, Nature of, considered - 140 



Instruments for Terrestrial Magnetism , 26 



Instruments, Meteorological directions for placing - 215 



Invertebrates added to the Museum - 49 



Irving, Washington, Letter from 309 



Japan Expedition 47 



Jillson, Prof. , Catalogue of Library of Congress by 30 



Johnson, Prof. W. R. , Inventor of the Eotascope. 177 



Journal of Proceedings of the Board of Eegents 75 



Judiciary Committee of Senate, Report of 83 



Kane, Dr. E. K., Expedition of .- ..- 47 



Return of Instruments by.. 26 



Kennerly, Dr. C. B., Collections made by 43 



Kennicott, Robt., Collections by - 33,46 



Laboratory of the Institution, Account of - 26 



