446 INDEX. 



Page. 



Magraw, William M., Exploration 50 



Map of Distribution of Forests and Trees 267 



Of Solar Eclipse 28* 



Of Face of Sky, &c 31 



Martins, Charles, On the Vegetable Colonization of the British Isles .. 229 



Mathematical Monthly 29 



Meade, Captain, Meteorological System on Lakes - 34 



Mechanics, Peirce on 29 



Meech, L. W , Investigations • 25 



Members ex-officio of the Institution 6 



Memoir of Priestley, by M. Cuvier; translated by C. A. Alexander 138 



Method of obtaining the amount of water in rivers - 438 



Meteorology, general operations of system 31 



in Missouri .. -- . 34 



in Texas - 34 



Meteorological directions - - -- 28 



observers. List of -- .... . 63 



reductions --• 34 



stations. List of Smithsonian 63 



stations. Estimate for establishing 416 



system of Canada -. 34,417 



system on the lakes 34 



tables 23 



Michler, Lieutenant, Exploration 60 



Morris, Dr. J. G., on lepidoptera 30 



Moise, Professor S. F. B., Letter presented to Board of Eegents 80 



Motschulsky, V. , Means of destroying grasshopper 214 



Miiller, Dr. John, Report of recent progress in physics. Electricity 372 



Museum, General account of 40 



Additions to 49 



Present condition of - 52 



Work done in '56 



Distribution of duplicates in — 59 



List of donations to -. -- 59 



Patent Office 13 



Mutsun vocabulary ^^ 



Naill, D. W., Account of the dispersion of a cloud by lightning 425 



Nests and eggs of birds, How to collect 153 



Neuroptera, Catalogue of 30 



Howtocollcct ■ 166 



North GciTXian Lloyd, Liberality of --- '^ 



Resolution of thanks to 79 



Nova Scotia, List of birds of. - 280 



Odonata, Dr. Hageu's remarks relative to 31 



Officers of the Institution - ^ 



Opening and closing of river Kennebec, Maine 434 



Orthoptera, How to collect 164 



Osten Sackeu, Baron, Diptera 29,30 



How to collect diptera 167 



