Index. 



335 



Central Park Museum 51 



Cepheids 154 



Ceratodus 322 



Cercaria hyalocanda 305 



Cercopithecus , Brain of 328, 329 



Cerebellum of the Orang and Chim- 

 panzee 327, 330 



Cerebral Fissures of the Domestic Cat, 



Felis domestica. Burt G. Wilder... . 49 



" Cerebral Localizations " (Broca) 93 



Cerebro-Spinal Nervous System, Plan 



of the 134 



Certain Modifications undergone by 



Glass 307 



Certain Properties of Mixtures of 

 Methyl Cyanide with Common Al- 

 cohol and Methylic Alcohol 88 



Challenger Expedition, The 97 



Chamaeleon, The Tongue of the 234 



Chimpanzee, Comparaive Anatomy of 



the 302 



" Change of Serpentine into Quariz " 



(Rand) 332 



Characteristic Distinctions between Hu- 

 man Blood and that of other Ani- 

 mals 296 



" Characters of Some New Species of 



Compositas, etc." (Gray) 79 



Chateau, fall of a, in Sicily, from Disin- 

 tegration of Rocks beneath it 42 



Chemical Constituents of Stereocaulon 



Vesuvianum 331 



" Chemical Decomposition Incited by a 

 Cold Fluid Stratum Floating en a 



Warm Liquid " (Mott) 293 



Chemical Investigations in the Bohe- 

 mian Central Mountains 307 



" Chemical Philosophy " (Cooke^ 79 



Chemical Society of London 20 



Chemism, Definition of 240 



Chemistry, Agricultural 173 



Chemistry as an Art and Chemistry as a 



Science. J. M. Ordway 149 



Chimpanzee, Brain of the 25, 326, 329 



Chinoline, Synthesis of 307 



Ckltenhis diffinis 40 



Chloraluminium used at Cloth Works. . 307 



Chloride Ores, The Reduction of 119 



Chlorides of Camphor, The 272 



Chloride of Platinum 12 



Chlorine, Determination of, in Potable 



Water 21 



Chlcrine in Potassium Bromide, Colori- 



metric Determination of 331 



Chlorophyll, Method for the Retention 



of, in Prepared Vegetables 134 



Chocolate as a Breakfast Beverage 75 



Chonetes lepida 190 



Chromium Sesquichloride of a Persis- 

 tent Green Color 260 



" Chromite near Radnor, Pa.," (Rsnd). 332 



Cbromo-Lithography 24 



Cidarida 143, 147 



Cidaris 145, 148 



Cider Making in England 24 



Cincinnati Observatory 1, 13, 102 



Cinclus aquatic us 267 



" Civilization, Notes on " (Hough) 202 



Classification, The, of Science. Sam- 

 uel Fleming (I) 311 



" Classification of the Protista"(Haeckel) 176 



Clathrulina elegans 56 



Clausius, Electro-Dynamic Law of 140 



Clay, True, in so-called Clay Soils 307 



Clocks, Theory of Accidental Errors of.. 166 



Clymene, When Discovered 283 



Clypeaster 145 



Clypeasttida: 144, 147 



Coal. P. W. Sheafer (1)88,(11) 98 



Coal Gas, Effect of the. Inhalation of 31 



Coal Gas, Spectrum of 107 



Cobalt, Occurrence of 227 



Cochineal Dye 62 



Cochineal Insect, The 235 



Cochltaria 217 



Co-efficient of Expansion, by Heat, of 



Metals 84 



Co-efficient of Expansion of Gas Solu- 

 tions. E. L. Nichols and A. W. 



Wheeler 135 



Ccelenterata 07 



Coffee, Composition of, and Effect upon 

 the Human System 75 



Coffee, Improved Method of Roasting. . 76 

 Coke of Petroleum, Products Contained 



in 307 



Coleoptera Found in Wools 320 



Coleoptera, Monstrosities Observed in. 38 



Coleoptera, Organ of Smell in 320 



Collyrites 144 



Colophonium, Products of the Distilla- 

 tion of 247 



Color Blindnes? 214 



Color Blindness, On. B.Joy Jeffries. . 197 



" Color Glow " 67 



Colorimetric Determination of Chlorine 



in Potassium Bromide 331 



Color, The, of Flowers 306 



Colosoma triste 38 



Comet, Discovery of a, by M. Pennule, 



[Pechiile] Dec. 16, 1880 297 



Comet E, 1880 259 



Comets, New 258, 297, 330 



Comet, The New Periodic 258 



Coming of Age of the Origin of Species 15 

 " Comparative Anatomy as a Part of 



the Medical Curriculum " (Allen). . 112 

 " Comparative Anatomy of the Cerebral 



Convolutions " (Broca) 93 



Comparative Anatomy, Some Recent 



American Papers in 322 



Comparative Solubility of Lead Phos- 

 phate and Arseniate in Dilute Acetic 



Acid 188 



Comparative Zoology 200 



Competition between the Aniline and 



Madder Dyes. A. S. Macrae 62 



Complex Acids containing Boric Acid. . 307 

 Compound, A, of Titanium Tetra- 

 chloride and Acetyle Chloride 188 



Compound ot Titanium Tetra-chloride 



and Phosphorous Proto-chloride. . . 307 



Congress of Ophthalmologists 52 



Conoclypus 144 



Conservation of Energy. . 113, 237, 244, 263 

 Conservation of Energy, Priority in the 



Discovery of the Principle of 203 



Constitution of the Salts ot Rosanaline 



and of Analogous Coloring Matters 188 

 Constitution of the Naphthalines and 

 their Derivatives. F. Reverdin and 

 E. Notting. (Translation by M. 



Benjamin and T. Tonnele) 323 



Contributions to Encephalic Anatomy. 



E. C. Spitzka (1)73.235- (II) 251 



Contributions to Nervous and Mental 



Pathology " (Spitzka) 235 



"Contributions to Psychiatry " (Kier- 



nan) 235 



"Convenient Scale and Apparatus in 



Gas Analysis " (Morley) 112 



Co-operation in Science 30 



Co-ordinates, Problems in Watson's. . .. 154 

 Cope, Prof. Edward D., The Biblio- 

 graphy of 211 



Copper, Diffusion and Physiological 



Condition of, in the Animal System 319 

 Copper Electrified, Adhesive Power of. 84 



Copper, Occurrence of 227, 319 



Copper Plating on Zinc 96 



Cordoba Observatory 259 



Corona 136, 178 



Corpora striata, Functions of the 115 



Correlation of Forces 203, 244 



Coscinodisci 23 



Coscinodisci, quick way of Obtaining. ... 10 



Cosinodiscus gigas 222 



Cosinodiscus stelliges 222 



Cosmogony, Definition of 312 



Cottus scorpiu s 87, 100 



Craspedacusta (Medusa) 34 



Crocus vernus 307 



Croton argyranthemvm 264 



Cruciferas 68 



Crypto- Raphideae 23 



Crystals of Haemin 235 



Ctenophora 97 



Cumberland Island 85 



Cumberland Straits 85 



Cupriferous Series in Minnesota. N. H. 



Winchell 197 



Currents, On, Produced by Friction of 



Two Conducting Substances 119 



Cuttle Fish as Food 68 



Cyanide of Potassium, Formula for 

 Making 12 



Cyanogen, Spectrum of 105 



Cybium maculatum 241 



Cychrus angusticollis 38 



Cyclaster 146 



Cygni, a, Spectrum of 259 



Cygnus 136 



Cyttibellecs 23 



Cymbulia calceola 235 



Cynocephalus, Brain of 328, 329 



Cynodictis 17 



Cyphodetia ampulla 56 



Cyphosoma 144 



Cypricardites angusta 290 



Cypricardites Catskillensis 290 



Cyrene, When Discovered 283, 305, 318 



Danburite 96 



Daniell Pile 92 



D Arrest's Comet, Period of 258 



Darwinian Study, A. Alfred R. Wal- 

 lace 32 



Davenport Academy of Natural Sciences 19 



Davis Straits 85 



Dearborn Observa'ory 90, 165, 318 



Decomposition of Simple Organic Com- 

 pounds by Zinc Dust 272 



Deep Sea Soundings, and the Relation 

 of Microscopic Algas to Deep Sea 



Animal Life. H.L.Smith 161 



Deficiencies, on the, of Meteorological 

 Work in Data of Value to Agricul- 

 ture, and Means for supplying 



them. William McMut trie 167 



Deflection of a Constant Current of 



Electricity by a Magnet 164 



Deforming Pilosity 318 



Degeneration. Alfre 1 Wallace 63 



Demonstration of Capillary Circulation 



in Man. D. C. Hawxhurst 162 



Department of Agriculture 78 



Depraved Taste in Animals 120 



Descartes, Essay on, by Daubre"e 31 



" Description of a New Crustacean, 

 from the Upper Silurian of Georgia, 

 with Remarks upon Calymene Clin- 



toni " (Vogdes) 332 



" Desciiption of a New Speci°s oi Cat- 

 ostomus (Catostomus Cypho) from the 



Colorado River " (Lockington) 332 



" Description of a new Species of Hemi- 



tripterus from Alaska," (Lockington) 332 

 "Description of New Substituted Acry- 

 lic Acids," (Mabery) 112 



" Description of a Partula, supposed to 

 be New, from the Island of Morea" 



( Hartman) 332 



Description of Some Monstrosities ob- 

 served in North American Coleop- 

 tera, Horace F. Jayne 38 



Desilvenzation of Lead by the Zinc 



Process, J . E. Stoddart 316 



Desmosticha 144, 145, 146, 147 



Desprez Electro-Motor, The 92, 170 



Detection of Honey Sophisticated with 



Starch Sugar 331 



Detection of Picric Acid in Beer 296 



Determination of the Comparative Di- 

 mensions of Ultimate Molecules; 

 and Deductions of the Specific 

 Properties of Substances. W. N. 



Norton in, 139 



"Determination of the Routine Time 

 of Jupiter, from Variations of the 

 Red Spot in 1879-80, with the Phy- 

 sical Character and Changes of the 



Spot." (Pritchett) m 



Determination of the Value of one Rev- 

 olution of a Micrometer Screw 282 



Determination of Urea by Sodium Hy- 



pobromite 188 



Deutzia 265 



Development by Pressure of Polar Elec- 

 tricity in Hemihedral Crystals with 



I nclined Surfaces 188 



DeVico's Comet 258 



Deville Furnace, The 315 



Devonian Insects, The, of New Bruns- 

 wick 292 



Dew, Amount of Deposit of, During a 

 year , 71 



