434 iKBEX. 



Meteoric stones, Lunar Origin of, advocated - — 5G5 



Experiments on Size of Luminons Bodies — 171 



Meteorology, Directions for Observations 215 



Directions for placing and observing Instruments 215 



list of Observers ^^ 



Observations at Sacramento, Cal 191 



Observations for twenty-four successive hours in California. ---2 08. 209, 210 



Observations in Texa3 caid Mexico . -- 28 



Observations of Temperature and Eain in New Mexico .-.-. 2Sd 



Operations in, during 1855 -.-,.-- 26 



Eemarks on quantify of rain at different heights..- - 211 



Ecsolutions of Illinois Board of Education . — 81 



System adopted in Canada . 28 



Mexican Boundary Line Survey ...-. *w 



Mexican Gulf Steam-ship Company, Thanks to _-. 77 



Mexico, Collections from '-- — ' •- ^^ 



Michler, Lieut., Collections made by _ ...i.... 43 



Mitchell, Prof E., Measurement of Black Mountain 299 



Morris, Frof. 0. W., Kemarks on quantity of rain at different heights..... 211 



Morris, Rev. J. G., Lecture on Insect Instincts and Transfonnations 137 



Lecture on Natural Histoiyas applied to farming and gardening- 231 



Morrow, James, Collections by. 4< 



Museum, Distribution of collections 56 



Exchange of specimens 56 



Geographical index to spechnens received 49 



Increase of 41 



List of additions in 1855 47,57 



Present condition of ■ 53 



Principal desiderata 54 



Systematic index to specimens received 50 



Table of alcoholic specimens in . — 54 



"Work done in 1855. 31,52 



Muller, Baron, Memoir on origin of the human race 82 



Miiller, Dr. John, Report on Galvanism 311 



Murphey, H. C, Letter from 309 



Natural History applied to Farming and Gardening 131 



-Advantages of the study of 131 



Animals noxious to vegetation - 132 



Crops affected by insects, &c 182 



Exchanges desired - 57 



Resolutions on, of Illinois Board of Education 82 



Navajo Indians, Sketch of -- - - 283,288 



Description of their country 283 



Climate, soil, &c 285 



Productions - 288 



Origin of the people — -- 288 



Government 288 



Habitatione. - 28? 



