Index. 



337 



Fish as Food 102 



Fishes, New Method of Mounting the 



Skins of 235 



Fishes, Swimming Bladders of 36 



Fish, On the Nutritive Value of 233 



Fissures, Cerebral, of the DomesiicCat, 



Felis domestica 49 



Flames, Temperature of 24 



Flight of Birds, Theory of the 23 



Floating Movement of Birds in the Air. 23 



Floral Parts, Reversion in 310 



" Flora of North America," (Gray) 79 



Flowers, The Color of 306 



Fluid Mounts, Use of Wax Cells in 

 Connection with White Zinc Ce- 

 ment for 161 



" Fly Trap," The : Its First Discovery. 21 

 Food, New Sources of. W. N. Locking- 

 ton 68 



Food of the Esquimaux 87,100, 101 



Foramen of Monro 200 



Fossil Butterflies 44 



" Fossil (?) Casts in Sandstone," (Car- 



deza) 332 



" Fossil Dinocerata in the E. M. Mus- 

 eum at Princeton, N. J.," (Hill) .... 112 

 Fossil Horse, Discovery of the Remains 



of a 153 



Fossil Insects and Plants on Mazon 



Creek, Preservation of 163 



Fothergill Gold Medal of the Society of 



Arts 25 



"Four Lectures on Static Electric In- 

 duction," (Gordon) 320 



" Fourteen Weeks in Pnysics," (Steele) 212 

 Fourth Form of Matter.The, Henry Ray- 

 mond Rogers 200 



Fourth State of Matter, A 32 



Fourth State of Matter. Drke of Argyll. 33 

 Fourth State of Matter: A Refutation; 

 J. Puluj. (Translated by Gustave 



Glaser) 58 



" Fresh Water Rhizopods of Nonh 



America," (Leidy) 54 



" Fresh Water Sponges of Fairmount 



Park," (Potts) 332 



Friction of Lubricating Oils. C. J. H. 



Woodbury in, 155 



Friederich Mohr's Life and Works. 



George W. Rachel 242 



' ' Frog Spawn " 12 



Frustulia saxonica 284 



Fucus digitatus . . 307 



Fucus vesiculosus 87, 216 



" Functions of the Epiglottis in Deglu- 

 tition and Phonation " (Walton). . . 81 



Fungus Growing upon Glass 10 



Fungous Deposit in Acid. Phosphoric. 



Dil 10 



"FurFerrol." (Hill) 79 



Furgusonite, New Locality of 120 



Further Notes on the Pollination of 

 Yucca, and on Pronuba and Prodoxus. 

 C. V. Riley i I2) 136 



Qalecynus 303 



Galeropygus 144 



" Garnet Mistaken for Corundum." 



(Cardeza) 332 



Gases, Dilatation and Compressibility 



of, under Strong Pressures 247 



Gases, Measurement of the Heat of 



Combustion of 120 



" Gas Flame," Temperature of 24 



Gas Illumination, Historical Notes on. . 275 

 Gas Solutions, On the Co-efficient of 



Expansion of 135 



Gastric Juice, Effect of, on Ptyaline and 



Diastase 12 



Gaugain, M. J., Death of 31 



Genesee Slate 190 



Genesis, The, of Certain Iron Ores. T. 



Sterry H unt 209 



Geneva Observatory 263 



Genista aspalathoides 318 



Genista lobelii 318 



Geological and Geographical Distribu- 

 tion of the Human Race 19 



Geological Phenomena, The Recur- 



rence of Certain, in Geological 



Time 172 



Geological Phenomenon in Sicily 42 



"Geology of Eastern Massachusetts," 



(Crosby) 6 



Georgetown Observatory 1 



Get ephemera 292 



German Association for the Advance- 

 ment of Science 109 



Glacial Epoch, The 172 



Glass, Certain Modifications Under- 

 gone by 307 



Glass, Observations on Silvering 19 



Glass, Simple Method of Perforating 



by the Electric Spark 11 



Glass, The Action of Sunlight on 180 



Glass, Variation in the Co-efficient of 



Expansion of 247 



Gold, Electrified, Adhesive Power of. . . 84 



Gold, Occurrence of 227 



Gomphonema 222 



Gomphonemece 23 



Gonwcidaris 143, 145 



Gordouia lasianthus 21 



Gorilla, Brain of the 326, 330 



Gorilla, Comparative Anatomy of the. . 302 



Graminece 68 



Gramme Dynamo-Machine. .. .92, 170, 172 

 Gramme's Magneto-Electric Machine. 103 

 Grass, Nutritive Value of, in Various 



Stages of Growth 12 



Gravitating Trap, Sigsbee's 314 



Gravity, Acceleration due to the Force of 96 



Greenwich Observatory 295 



"Griffin's Chart of Animal Classifica- 

 tion " (Griffin) 296 



Griffith Club of Microscopy 70, 160 



Griffith Award, The, to C. M. Vorce.. 163 

 "Gross Anatomy of the Brain of the 



Domestic Cat." (Wilder) 49 



"Growth, as a Function of Cells." 



(Minot) 81 



GymnospermecB 17 



Gymnotus electricus 5 



Gyri ot the Cerebral Surface 25 



Haemin, Crystals of 235 



Halley's Comet 258 



Halo, Solar, A Perfect 19 



" Handbook of Systematic Urinary 

 Analysis, Chemical and Microscop- 

 ical," (Deems) 332 



Hartvvig's Comet 214, 283 



Hartwig's Comet, The Spectrum of . . . . 283 

 Harvard College Observatory, 1, 90, 



136, 263, 294 

 Harvard University, Original Work at. 79 



Heat, Definition and Nature of 184, 238 



" Heat Produced by Magnetizing and 

 Demagnetizing Iron and Steel," 



(Trowbridge) in 



Hecate, When Discovered 283 



Hegar's Formula (Preservative Fluid). . 233 



Helena, When Discovered 283 



Heliamphora 266 



Heliograph, The, for Military Purposes. 22 



Heliopelta 222 



Helops sulcipennis 41 



Hetniaster 144, 145, 146, 147 



HemicidaridcB 147 



Hemicidaris 143 



Henry, Joseph, Eulogy on. A. M. 



Mayer 127 



Hepatica triloba 7 



Hera, When Discovered 283 



Herbarium of Col. Stephen T. Olney.. . 306 



Hercules 331 



Herschel, Sir William, Life and Works 



of 331 



Heterocentrotus 143 



Hetcroteuthis tenera 235 



" Highest Magnifying Powers, "(Moore) 176 



Hipparion 153 



H ippocampiis 253 



Hipponor. 145 



" Historia Animahum," (Aristotle) 10 



Historical Notes on Gas Illumination. . . 275 



Hock's Motor, Cost of per hour 84 



Hogarth Sound 85 



Hogg, Dr. Jabez, on Bacillaria paradoxa 7 



Holaster 146, 148 



Holectypus 144 



Holoptychius 290 



Homolampus 144 



Homothetus 292 



Hormione, When Discovered 283 



Horological Laboratory of Yale College 36 

 Horse, Fossil, Discovery of The Remains 



of a 153 



Howgate Polar Expedition 85, ioo, 214 



Hudson's Straits, Eskimo of 215 



Human Blood Corpuscles, Possibility of 



Identifying 10 



Human Race, Geological and Geograph- 

 ical Distribution of the 19 



Hy body pus 144 



" Hybridization of Lilies," (Parkman). . 81 



HydromeduscB 34 



Hygiene Convention and Exhibition. . 214 



Hylobates, Brain of 327 



Hylogeny, Definition of 312 



Hylomyzon 254 



Hymenoptera, Organ of Smell in 320 



Hypochlorine, and the Conditions of its 



Origin in Plants 272 



|chthyophagy 7 



Ichthyopsida, (of Huxley) 251 



Ichthyopsidian Brain, The Objects and 



Methods of aStudy of the 251 



Ichthyosaurus 200, 322 



let icy o)t 303 



Ipuana, Brain and Spinal Cord of the. . 73 



Illicium floridanum 21 



"Importance, as Plant Food, of the 

 Nitrogen in Vegetable Mould," 



(Storer) 81 



Improved Electro-Motor, An, Theo- 

 dore Wiesendanger 170 



Improved Method, An, of Operating the 

 Sprengel Air-Pump. Ogden N. 



Rood 291 



Improved Microscope Stage 293 



Improved Microtome, An. Willard 



Hailes 187 



Improved Thermo-Electric Apparatus. 



R. H. Ridout 8 



" Improved Vertical Clamp for the Tel- 

 escopes of the Theodolites and Mer- 

 idian Instruments," (Davidson).... 272 

 Improvement, An, in a Microscope 



Stage. Carl Seiler 162 



Improvement of the Mississippi River. 



W. H. Ballou 232 



Incandescent Lamp 11 



"Incomplete Adaptation as Illustrated 

 by the History of Sex in Plants," 



(Ward) 112 



Inconveniences, from a Physiological 

 Point of View, of The Substitu- 

 tion of Amyhc Alcohol for Ether 

 in Stas's Process for the Detection 



of Morphine 224 



" Incrustations formed in Pipes used 



in Gas Wells," (Nason) 112 



Indian Bread, or Tuckahoe, 12, 60, 72, 262 



Indian Census, The 175 



Indian Corn, Fermented, A Poisonous 



Product of 235 



Indigo Dyes 62 



Infan'icide Among the Esquimaux.... 86 



Infection from Mosquitos 1 3 



Influence of Temperature on the Distri- 

 bution of Sal's in their Solutions.. . 188 

 Influence of the Galvanic Current on 



Bacteria 224 



Infusoria Found in Fresh Pond, Cam- 

 bridge 112, 212 



" Inquiries Concerning the Influence of 

 Light on the Propagation of Sound" 



(Parolette) 287 



Insects as Food 68 



Insects, Fossil, on Mazon Creek, Pres- 

 ervation of 163 



Insects, Organ of Smell in 320 



Insects, The Devonian, of New Bruns- 

 wick 292 



