338 



Index. 



Insects, Injurious, Two New Methods 



of Fighting 212 



Instantaneous Photography, en Ballon. 



Paul Demarets 94 



Instinct, Animal, in Its relations to the 



Mind of Man 267, 280 



Instrumental Substitute for Singing in 



Birds 24 



Intensity of Certain Phenomena of A - 

 mospheric Electricity Observed in 

 the North of the Sahara 271 



International Congress of Anthropology 



and Prehistoric Archaeology 77 



International Copyright 201 



Intimate Structure, On the, of Certain 



Mineral Veins. Benjamin Silliman. 289 



" Introduction to Cryptogamous Bot- 

 any," (Farlow) 79 



" Introduction to the Study of the Mor- 

 tuary Customs among the North 

 Am. Indians," (Yarrow) 176 



"Introduction to the Study of Sign 

 Language Among the North Am. 

 Indians," (Mallery) 176 



Investigation, An, of the Vibrations 

 of Plates Vibrated at the Centre. 

 Thomas R. Baker 198 



Io, When Discovered 305 



Iodide of Potassium, Preparation of, by 



Liebig's Method 248 



Iodine, Preparation of Ashes of Sea 



Weed, for the Extraction of 307 



Iowa Academy of Sciences 308 



Irish Bog Butter, Analysis of 12 



Iron, Electrified, Adhesive Power of.. 84 



Iron, Influence of Magnetization on the 



Tenacity of 63 



" Iron Mines of Ore Hill, Conn., and 

 Vicinity, and the Making of Pig 

 Iron," (Stearns) 112 



Iron Ores, The, of the Brandon Period. 



Henry Carvill Lewis 164 



Iroquois, The Languages of the 137 



Island of Montreal, The. William Boyd. 242 



Itland of Reil in the Brain of the Orang 



and Chimpanzee 327, 329 



Isthmia enervis 222 



Isuropis dekayi 236 



J ablochkoff's Candles 101 



Jelly-Fish, On A New, of the Order 

 Trachomedusas, living in Fresh 



Water. E. Rav Lankester 34 



Johns Hopkins University, Fellowships 



at the 29 



"Joule's Formula 103 



" Journal de Pharmacie " 36 



"Journal fiir Praktische Chemie " 47 



J uewa. When Discovered 283 



Jupiter, Diameters of the Four Satellites 



of 165 



Jupiter: Motion of Spots on his Sur- 

 face. E. E. Barnard 293 



Jupiter, Observation of. 165, 189, 236, 



259, 263 



Jupiter, Photograph of 96 



.Jupiter's Satellites, Naked Eye Observa- 

 tion of one of 295 



Jupiter, Spectrum of 259 



Jupiter's Spectrum, On a Photograph of, 

 Showing Evidence of Intrinsic 



Light from that Planet 83 



Jupiter, the White Spot on 294 



Karnes, The, or Eskars of Maine. 



'■ II. Stone 112, 151 



Kikkerton Islands 86 , 



Knowledge, Definition of 312 



Laboratory Manual." (Wilder and 



Gage) 3 J 9. 33° 



" Laboratory Notes in Microscopy." 



'I'-) 3 T 9 



Lactose, Amount of, in Milk 12 



I Lcelaps gallicus 322 



Laganidce 144 



Laganum 145 



Lagopus 101 



Laguncula piscatoris 161 



"La Lumiere Electrique " 36, 43 



Lamellaria pellucida 235 



Lamelhbranchs, The 63 



Lamna punctata (or spallanvanii) 236 



Lamps, the Electric, of M. Tchikoleff. . 45 



Lampyrus noctiluca 222 



Land Forming on our Globe, The Law 



of 155 



Land Snails, On the, of the Palaeozoic 



Period. J.W.Dawson 136 



Languages, The, of the Iroquois. Mrs. 



E. A. Smith 137 



Language, The Zoque 19 



Larrea Mexicana 69 



: Lanes glaucus 215 



Law According to which the Metals and 



their Ores come to, or near to, the 



Surfaceof the Earth. Richard Owen. 226 



Law, Definition of a 309, 313 



' ' Law of Listin g " 96 



Law, The, of Land Forming on our 



Globe. Richard Owen 112, 155 



Lead, Desilverization of, by the Zinc 



Process 316 



Lead, Electrified, Adhesive Power of. . . 84 



Lead, Occurrence of 228 



" Lecture Experiments tor the Direct 



Determination of The Velocity of 



Sound." (Anthony) in 



Lecture Photophone 304 



Ledum palustre 101 



"Legal Rights of Children." (Govt 



Doc.) 152 



Leguminosm 68 



Lehman's Caloric Engine, Cost of, per 



Hour 84 



Leibnitz, a Bronze Statue of, at Leip- 



. zig 7 



Leiorhvnchus quadricostatus 190 



Leonids, the November, 1880 294 



Lepetella tubccola 235 



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



Lepidosteu 317 



Leporis, /3 132 



Leptomedusa- 45 



Lepus glacialis 216 



Lemceocera 63 



Lernaiocera tortua 160 



" Le Spectre Normal du Soleil " (Ang- 

 strom) 27 



Lesser Spotted Woodpecker, The 24 



Lichnanthe vulpina 40 



Lick Observatory, The 122, 152, 158 



Life Preserver, Chemical. (Brown).... 60 

 Life Question, Some Modern Aspects 



of The 112 



Light, Nature of 184 



Light, Note on the Zodiacal 180 



Light, on the Effects of Mixing White, 



with Colored 81 



Light, The Edison 18 



Light, The Velocity of 262 



Ligustrum lucid um 169 



Li Hum Martagon 318 



Lime, Function of, in the Life of Plants 307 

 I.imnocodium Victoria, A Hydroid Medu- 

 sa of Fresh water. George J. All- 

 man 44 



Lingula concentrica 190 



Lingula spatulata 190 



Lingula, The Japanese 151 



Linna-an Society, The 44 



Liquids, The Superficial Viscidity of. . . 298 

 Liver, The Glycogenic Function of the. 93 

 Locatelli Lamp, Temperature of the 



Flame of the 24 



Locomotives, The Evolution of, in 



America 35 



Longicorn Beetles, a List of 222 



Loripei lens 235 



" Los Cerillos, New Mexico, An Air;, 

 of Recent Eruptive Rocks with Min- 

 eral Veins." (Silliman) 112 



Loventlla I Vhiieavtsii 235 



Lubricating Oils, Friction of 155 



Luida elegans 235 



Lycopodiacrcr 17 



Spectrum ol 259 



|V|acacus, Brain of 328, 329 



Mackerel, The Spanish, Its Artificial 



Propagation 241 



Madder Dyes, Aniline and 62 



Magilus antiquus 196 



Magnetic Apparatus, The, of M. 



Edard 307 



Magnetic Disturbances 173 



"Magnetite Markings in Muscovite." 



(Lewis) 332 



Magnetization, Influence of, on the Te- 

 nacity of Iron 63 



Magnet, The, in Medicine. P. Richet 



(Translated by Thos. B. Columbia) 59 

 Manganese Hydrate, on some Causes 

 which Hinder or Facilitate the Pre- 

 cipitation of, by Ammonia 296 



Manganese, Occurrence of 227 



Man of the Caves, The. W. Boyd 



Dawkins 286 



" Manual of Blowpipe Analysis. "(Ross) 237 

 " Manual of Hydraulic Mining for the 

 use of the Practical Miner." (Van 



Wagenen) 140 



" Manual of the Alkali Trade, Including 

 the Manufacture of Sulphuric Acid, 

 Sodium Sulphate and Bleaching 



Powder." (Lomas) 72 



"Manual of the Vercebrates of the 



Northern United States," (Jordan). 272 

 Manufacture of Factitious Butter in the 



United States 196 



Manufacture of Phosphoric Acid 307 



Margarita lamellosa 235 



Margarita regalis 235 



Marine Medusae 64 



Marriage Among the Esquimaux 87 



Mars 189, 263 



Mars, Spectrum of 259 



Marsh and Water Plants, Respirative 



Power of 12 



" Mathematical Tables." (Peirce) 79 



Mathesis, Definition of 312 



Matter, a Founh State of 32, 33, 58 



Matter, a " Mode of Motion," 34 



Maxillary Suspensorium, The, of the 



Bee 136 



Maxima and Minima Tide-Predicting 



Machine. William Ferrel in, 166 



Maximilian Collection of Birds, The... 223 

 Mean Ratio, The, of Oxygen to Nitro- 

 gen in the Atmosphere. E. W. 



Morlcy 166 



Measurement, On the, of Radiant Ener- 

 gy. S. P. Langley 288 



Medicine, Schools of, in the United 



States 292 



Medicine, The Magnet in 59 



Medium Power Objectives, Relation of, 



to Micro-Biology 160 



Medusa; 44 



Medusa craspedotce 34 



Medusae, Marine 64 



Medusae, Fresh Water, Physiology 



of the 64 



Medusae, Naked Eyed 64, 65 



Mcllita 145 



Mclonitidce 147 



Melosirecs 23 



" M^naccanite and Talc from Mary- 

 land." (Jefferis) 332 



" Meningo-Cephalitis." (Bannister)... 235 

 " Menobranchus lateralis." (Hoy).... 112 



Mercury 263 



Mercurial Thermometers, Rise of the 



Zero-point in 188 



Merganser, The Red-breasted 267 



M erg us Serrator 267 



Merope 9 



Sub-Railway under the 36 



Mesopithecui 303 



lierapy 59 



, Co-efhcient of Expansion of, by 



Heat 84 



Metals, Electrified, Adhesion of the Sur- 



of 84 



\ Remarkable 22, 191 



iti-, The " Emmett County," 



1879 9. 92 



Meteorological Work, On the De- 

 ficiencies of, in Data oi Value to Ag- 

 riculture, and Means for Supplying 

 Them 167 



