Index. 



339 



" Meteors, Aerolites and Falling Stars." 



(Phipson) 153 



" Methods in use at the Observatory at 

 Vale for the Verification of Ther- 

 mometers, and Testing of Time 



Pieces." (Waldo) in 



Method of Determining the Fatty Acids 



Contained in Oils 271 



Metric System, Plea for the, in Micro- 

 scopy 52 



Metric System, The 84 



Metrites contractus 38 



Mica Veins, Structure of, in North Caro- 

 lina 138 



Micraster T46, 147 



Micrococci 178 



Micrometer Screw, Determination of 

 the Value of one Revolution of a. . . 282 



Micrometry and Micrometers 52 



" Microphysiology," A Lecture on 189 



Microscope, An Improved W. H. 



Bullock 162 



Microscope, " Dry Mounts " for 74 



Microscope, New Griffith Club Portable 162 



Microscope Stage, An Improved 162 



Microscope, A New Stand for 257 



Microscope, A Warm Stage for 224 



Microscopes, Binocular 305 



Microscopes, Faulty Construction of . . . . 318 

 Microscopic Examination, The, of Writ- 

 ings tor the Detection of Forgery. 



C. M. Vorce 160 



"Microscopic Studies in Central Flor- 

 ida." (Merriman) 112 



Microscopical Chemistry 193 



Microscopical Club, Buffalo 10 



Microscopical Collections in Florida. 



C. C. Merriman 263 



Microscopical Definition, Value of Bisul- 

 phide of Carbon in 29 



" Microscopical Investigation of Havana 



Yellow Fever." (Sternberg) 112 



Microscopy, Plea for the Metric System 



in 52 



Microtome, A New. T. J. Burrill 162 



Microtome, An Improved. Willard 



Hailes 187 



Midwifery among the Esquimaux of 



Cumberland Sound 217 



Milk, Abnormal Composition of 12 



Milk, Chemical Constitution of 319 



Milk Test, A New Optical 295 



Mineral Veins, Certain, On the Intimate 



Structure of 289 



Mineral Water, Artificial, Constitution 



of an 139 



Mineral Water, The Epsom, of Mis- 

 souri 285 



Mineral Wax: A Resume. M. Benja- 

 min 256 



Minerva, When Discovered 283 



" Minor Planets." (Skinner) 283 



" Minute Anatomy of the Human Lar- 

 ynx." (Seiler) 112 



Mississippi River, Improvement of the. 232 



'• Mock Suns." 19 



Modiola polita 235 



Mohr, Friederich, his Life and Works. . 242 



Moira 147 



Molecules, On the Absolute Invisibility 



of 150 



Molecules, Ultimate Determination of 



the Comparative Dimensions of. . . . 139 

 " Mollyhawks," Mechanism of the Flight 



of 23 



Monads, Mode of Reproduction in 57 



Monistic Realism 312 



Mono-Bromated Diphenyl-methane, Ac- 

 tion of, upon Ammonia 307 



" Monographic Revision of the Euro- 

 pean Trichoptera." (McLachlan). . 80 

 Monstrosities Observed in North Ameri- 

 can Coleoptera 38 



Montreal, The Island of 242 



Montrose Sandstones, On the Relations 



of the Oneonta and 290 



Moon, Motion of, as effected by the 



Sun's Attraction 89 



Morrison Observatory 13, 90 



Mortonia 144 



Mortuary Customs, The, Among the 



North American Indians 176 



Mosquitos, Infection from 10 



Motion, Definition of 238 



Motion, The Transmission of, by Elec- 

 tricity 11 



Motograph, The r39 



Motors, Relative Cost of, per hour 84 



Mounds, The, of Illinois. William 



McAdams 138 



Mountain Sites for Astronomical Obser- 

 vatories. Ormond Stone 152, 158 



Mount Hamilton as a Site for an Astron- 

 omical Observatory 152, 158 



Mounting Diatoms, New Method of. . . 284 

 Mounting Fresh Blood, Difficulty in. . . 248 



Mounting Materials. Carl Seiler 161 



Mounting Opaque Objects, Method of 305 

 " Mounts," Dry, for the Microscope. 26, 74 



Mi/cor circinelloides 36 



Multiple Spectra. J. Norman Lock- 



yer (I) 27, (II) 104, (III) 218 



Musca domestica 10 



Muscle, Cause of the Contraction of . .. . 113 



Mushrooms as Food 68 



Mycoderma Aceti 12 



Mvhtta 72 



Myrica cerifera 264 



" Myths and Folk-lore of the Iroquois." 



(Smith) 112 



Naphthalines, and Their Derivatives, 



On the Constitution of the 323 



NarcomeduscB 34, 44, 45 



National Academy of Sciences. .83, 237, 



262, 288, 325 



National Microscopical Congress, The. 225 



National Museum, The 85 



Natural Enemies of the Telegraph 120 



"Natural Orders of Phsenogamous 

 Plants and their Special Morpholog- 

 ical Classification, etc." (Gray) 79 



Natural Selection 287 



" Naturen " (Trykt hos A. W. Brogger) 320 



Navicula 23 



Navicula lyra 222 



" Near Ratio of Oxygen to Nitrogen in 



the Atmosphere." (Morley) 112 



Nebula collaris 56 



Nebula in Orion, On Photographing the 304 



Nebula in the Pleiades, The 9 



Nebular Hypothesis, The 172 



Nebulas, New Planetary 136 



Nemesis, When Discovered 283 



Neptune 167, 263 



Nervous System, Plan of the Cerebro- 

 spinal 134 



Nervous System, Function of the 114 



Neuroptera, Organ of Smell in the... . 320 



Newark City Water, Analysis of the. ... 66 

 New Companion to y Fornacis. S. W. 



Burnham 318 



New Electric Pile, (Reynier) 91 



"New Form of Injecting Apparatus." 



(Spaulding) 176 



New General Method of Analysis, On a. 



Wolcott Gibbs 289 



New Griffith Club Portable Microscope. 



E. H. Griffith 162 



New Periodic Comet, The 258 



New Planetary Nebulas. E.C.Pickering 136 

 New Results in the Utilization of Solar 



Heat 247 



New Species of Mollusca and Echino- 



dermata 235 



New Synthesis of Dimethyl-acrylic Acid 272 



New York Academy of Sciences, 275,286, 293 



New York Aquarium 25 



New York Fishery Commission 102 



Nickel, Occurrence of 227 



Nimravidas and Miocene Canidae. Ed- 

 ward D. Cope 303 



Nitella 117 



Nitrogen, Estimation of, in Potable 



Waters 21 



Nitrogen, The Mean Ratio of Oxygen to, 



in the Atmosphere 166 



Nitzschiem 23 



Northumberland Inlet 85 



"Note on Philadelphite — A New Min- 

 eral." (Lewis) 332 



" Note on the Turquoise Localities of 

 Los Cerillos," (Silliman) 112 



Note on the Zodiacal Light. Henry Car- 



vill Lewis 180 



Note upon the Relations of the Oneonta 

 and Montrose Sandstones, of Van- 

 uxem, and their Relations to the 

 Sandstones of the Catskill Moun- 

 tains. James Hall 290 



" Notes on Jarosite." (Koenig) 332 



' ' Notes on the Cayuga Lake Star Gazer." 

 (Gage) 319 



"Notes on the Identity and History of 

 the Shawano or Shawnee Indians." 

 ( Royce) 202 



Notes on the Japanese Pulmonifera. 



Edward S. Morse 154 



Notes on the Structure, Development, 

 and Position, of a (Supposed) Un- 

 described Flagellate Infusorium. J. 

 H. Fisher 161 



November Leonids, 1880, The. Edwin 



F. Sawyer 294 



Nucleotides 145 



"Numerical Aperture" of Microscopes 29 



Nutritive Value of Fish, On the. W. O. 



Atwater 233 



Nutritive Value of Grass in Various 



Stages of Growth 12 



Nuwa, When Discovered 283 



Qberon 165 



Observation Made on a Group of Rays 



in the Solar Spectrum 224 



Observations on Brachiopods. Edward 



S. Morse 151 



" Observations on Japanese Brachio- 



poda." (Morse) 112 



" Observations on Mount Etna." (Lang- 

 ley) 152 



"Observations of Some Recent Hail- 

 storms in North Carolina." (Blake) . 112 

 " Observations on the Temperature and 

 Chemical Character of Mystic Lake, 



Mass." (Nichols) 112 



Observatories in the United States 90 



Observatories of Hudson, Ohio 1 



Observatory of Georgetown, D. C 1 



Observatory, The Establishment of an, 



for Astronomical Discovery 189 



Observatory of the Earl of Rosse 19 



Observatory of the Ohio State Univer- 

 sity 90 



Observatory of the Philadelphia High 



School 1 



Observatory of the West Point Military 



Academy 1 



Occurrence of Ozone on Evaporation of 



Different Liquids 197 



Occurrence of Tin at Winslow, Me. C. 



H. Hitchcock 112, 257 



Odontaster hispidus 235 



Oeltzen 17681 136 



Oeltzcn 17681, Spectrum of 178 



Offaster 144 



Ohio State University, The Observatory 



of 90 



Ohm's Laws 129 



Oils, Friction of Lubricating 155 



Olive Oil, American 24 



Olivine in Peckhamite 92 



" On a Form of Vacuum Tube for Spec- 

 troscopic Work " (Wright) 111 



" On a Jurassic Sand " (Lewis) 332 



" On a New Fucoidal Plant from the 



Trias " (Lewis) 332 



" On an Exfoliated Talc." (Lewis.)... 332 

 " On a Peculiar Stratification in Gneiss " 



(Rand) 332 



"On a Probable Pseudo-morphism of 

 Gummite and Uranotile after Uran- 



inite " (Foote) 332 



" On a Solution of Ferric Gallate and 

 Ferric Oxalate as a Reagent for 

 Quantitative Analysis of Ammonia" 



( Webster) 112 



" On Comets and Ultra-Neptunian 

 Planets " (Forbes) 169 



