342 



Index. 



Simple Method of Perforating Glass 



with the Electric Spark 



Singing in Birds, Instrumental Substitute 



for 



Singular Behavior of Stannous Chloride 



with Potassium Chlorate 



Sirius 



Sirius, Spectrum of 



Sismondia 



Slags, Artificial, The Structure of 



Slaughter-Houses, Disinfection ot 



Smell, Organ of, in Insects 



Smith, Mr. Greene, Death of 



Smithsonian Institution 167, 250, 



Smithson, Mr. James, Inquiries Con- 

 cerning 



" Smyth's Bedford Catalogue " 



" Smyth's Celestial Cycle " 



Snails, On Land, of the Palaeozoic 



Period 



Snakes, Anatomy of the Tongue in. . . . 

 Social Organization and Mode of Gov- 

 ernment of the Ancient Mexicans. . 

 Society, The, of American Taxidermists. 



William T. Hornaday 



Society of American Taxidermists 



So-called Fire Blight, The, of the Pear 

 Tree, and Twig-Blight of the Apple 



Tree. T.J. Burrill 



Soils, Physico-Chemical Analysis ot. . . . 



Solar Halo, A Perfect 



Solar Heat, Utilization of 69, 



Solar Protuberance, A Remarkable. . . . 

 Solar Spectroscopic Observations, 1879- 



1880 



Solar Spectrum, Observations Made on 



a Group of Rays in the 



Solubility of Recently Precipitated ( ar- 



bonate of Lime in Ammoniacal Salts 



Solution, On a, of Ferric Gallate and 



Ferric Oxalate as a Reagent for the 



Quantitative Analysis of Ammonia. 



N. B. Webster 



Somatena spectabilis 



Some Facts and Theories Bearing a Re- 

 lation to the Distribution of Organic 

 Forms on the Globe. W. H. 



Davis 



"Some Microscopic Enclosures in 



Mica." (Rand) 



Some Modern Aspects of the Life Ques- 

 tion. George F. Barker 



Some Needed Changes in, and Addi- 

 tions to Physical Nomenclature. A. 



E. Dolbear 



"Some New Mineral Localities." (Will- 

 cox) 



Some of the Infusoria Found in Fresh 

 Pond, Cambridge. S. P. Sharpies. . 

 Some Recent American Papers in Com- 

 parative Anatomy. BurtG. Wilder. 



Sound, Definition of . 



Sound, Propagation of, by Light, in 



1811 



Sound, The Nature of 



Soutli American Comet, The Great, (I, 



1880.) 



Spanish Mackerel, The, and its Ar- 

 tificial Propagation. Charles W. 



Smiley 



Spasm of Accomodation in the Eyes of 



M icroscopists 



Sfatangui 144 ■ *45. 



Spatularia 



•• Species Typicae," (Smith) 



Specific Properties of Substances, De- 

 duction ol the 



ira, On Multiple, (I) 27, (II) 104, 



("I) 



" Spectroscopic Notes," (Young) 



Obsi ations, 

 My Solar, 1879-1880. C. A. 



Young 



troscopic Studies ol the Son, Con- 

 ducted at the Observatory oi Pari 







rum ol Water 



Spectrum, on aPhotographol Ju| 



Showing Evidence oi Intrinsic 



I from that Plane! 



Spei trum, l he, ol l [artwig*j ( lomi 1 . . 

 Spent 1 1 1 -ail of, Speech ol, on Agricul- 

 ture 



24 



272 

 189 

 259 

 144 

 173 

 3* 

 320 



5i 

 321 



18 

 3i8 

 213 



136 

 2 34 



37 

 332 



162 I 

 320 j 



19 I 

 247 

 200 



ISO 

 224 



234 

 332 



112 



238 

 332 



2!2 



322 

 238 



2H/ 



~7 J 



258 



2 I I 



'17 

 253 



23 



1 39 



210 

 11 1 



150 



307 



107 

 107 



Spin fcr prematura 191 



Spores of Moulds 77 



Sprengel Air-Pump, An Improved 



Method of Operating the 291 



Standard Time, Proposed Schedule of. . 279 



Star, A Probable Variable 317 



S;ar, New, Tycho Brahe's 274 



Star, No. 4339, Lalande 317 



State University of Texas 273 



State Microscopical Society of Illinois. . 257 



Stature of the Esquimaux 86 



" Steady and Vortex Motions in Viscous 

 Incompressible Fluids," (Craig) .... ill 



Steam Engine, Cost of, per hour 84 



Stearin Candle, Temperature of the 



Flame of 24 



Steel, Electrified, Adhesive Power of. . . 84 



Steel, Use of, in Marine Boilers 'jy 



Stellar Spectrum Photographs 83, 259 



Stenonia 144 



Stereocaulon Vesuvianum, The Chemical 



Constituents of 331 



Sting of Insects, Pilosity due to 318 



Stomochinus 143 



Storms, Causes which Determine the 



Progressive Movement of 328 



Strategics a?itai(s 40 



Strongyiocentrotus 145 



Strophites grandmva 136 



" Structure and Morphological Botany 



of PtiEenogomous Plants," (Gray).. 79 

 "Structure and Nomenclature of the 

 Brain with Special Reference to 



that of the Cat," (Wilder) 112 



Structure of Artificial Slags and eruptive 



Rocks. H. C. Sorby 173 



Structure of Mica Veins in Norih Caro- 

 lina. W. C. Kerr 138 



Student Microscope, A New 284 



" Studies ot the Color Glow, or Rectilin- 

 ear Spectrum." (Cumming) 67 



Study, a Darwinian 32 



Sturgeon 128 



Styliola 190 



Sub-Marine Telegraph Cable, Duration 



of 53 



Sub-Railway under the Mersey 36 



Suckling, Mode of, of the Elephant 



Calf 10 



" Sugar Analysis : A Description of the 

 Methods used in Estimating the 



Constituents," (Benjamin) 224 



Sugar, a New Process of Extracting, 



from Molasses 36 



Sugar, Crystallizable, Manufacture of, 



from Sorghum 78 



Sulphuric Acid, Impure, Action of, up- 

 on Platinum 108 



Summer Work, A Bit of 4 



Sun, Inductive Action of, on the Earth . 247 

 Sunlight, Effects of on Certain Chemical 



Compounds 140 



Sunlight, The Action of, on Glass 180 



Sunshine, Automatic Recorder of the 



Daily Duration of 295 



Sun, Spectroscopic Studies of the 307 



" Sunstone in Labradorite" (Jefferis). . 332 



" Superstitions " (Gatschet) 2fc6 



Surirellea 23 



Susurrus (Muscular Sound) 113 



Swift's Comet. E. E. Barnard 223, 318 



Swift's Comet. A. Hall 283 



Swilt's Comit. Win. W. Payne 295 



Swift's Comet 258, 305, 317 



Swimming bladder in Fishes 36 



Sylvia atrkapella 269 



Sylvius, I he Fissure of, in the Brain of 



the Orang 3-6, 329 



Synedra 222 



SynedrcB 23 



Synonomy of the Cerebral Fissures ot 



the Domestic Cat 50 



Synopsis of the Belgian Diatoms 23 



T tioides in Butcher's meal 92 



imi ti r, 1 iiison's. 121, 177, 287 



283 Taste, I >epraved, in Animals 120 



Tauri, a 152 



31 Taxidermy in America 37 



Tay Bridge Disaster, The 70 



Tchikoleff, Electric Lamp of 45 



Tea, Composition and effect of, upon 



the Hum.-.n System 7S 



Tc/a amtexta 10 



Telegraph Cable, Submarine, Duration 



of 53 



Telegraphic Determination of Longi- 

 tudes on the East Coast of South 



America 283 



Telegraph, Natural Enemies to the. . . . 120 



Telegraph, The, and Earthquakes n 



Telegraphy, Visual 14 



Telephone Receiver, A New Form of, 36, 119 

 Telepnone, The, Among the Indians .. 191 



Telephone, The Bell 140 



Telephone, The Edison 11, 119, 139 



Telephones rotundicollis 40 



Tc?nnoc idaris 143 



Temnoplcurus 145 



Tempel' s Comet, period of 258 



Tempel-Swifc Comet, The. A. Hall .... 330 

 Temperature, Influence of, on the Dis- 

 tribution of Salts in Their Solutions 188 



Temperature of Flames 24 



Tennocyon 303 



Ten aculites fissurella 190 



Teratological Pilosity 318 



Terpsinoe musica 222 



Terresirial Progression, The, of the 

 Brazilian " Cambota," Callichthys 



asper. Burt G. Wilder 317 



Tetracidaris 143, 147 



Textile Fabrics of the Ancient Inhabi- 

 tants of the Mississippi Valley. J. 



G. Henderson 257 



Thalami Optici, Function of the 115 



Thaumantidas 45 



" The Age of the Copper Bearing 

 Rocks of Lake Superior" (Wads- 

 worth) 112 



" The American Monthly Microscopical 



Journal " 224 



"The Ampulla of Vater, and the Pan- 

 creatic Ducts in the Domestic Cat, 



Felis domestica " (Gage) 319 



" The Co-efficient of Expansion of Gas 



Solutions." (Nichols and Wheeler) 112 

 "The Coming of Age of the ' Oiigin 



of Species ' " (Huxley) 174 



"The Dacotah Tribes," (Carrington). . 112 



•' Educational Review " 36 



"'The Electric Laryngoscope" (Adams). 272 

 " The Errors of a Few English, French 

 and American Stage Microscopes " 



(Rogers) 112 



" The Excavation of the Upper Basin 

 and Clove of the Kaaterskill, Cats- 

 kill Mountains, N. Y." (Julien) 112 



"'The Indian School at Carlisle Bar- 

 racks" (Gov't Doc.) 152 



Thtiiie, The Properties of 75 



"The Inter-articular Ligament of the 

 Head of the Ribs in the Cat " 



(Gage) 319 



" The Iron Ores and Lignite of Mont- 

 gomery Co. Valley " (Lewis) 332 



" The Journal of Nervous and Mental 



Diseases " 235 



" The Limbs of Sauranodon with Notice 



of Ntw Species " (Marsh) 322 



" The Man of the Caverns" (Dawkins). 275 

 " The Metric System and Inter-change 

 of Weights and Measures" (Beach 



and Gibbons) 212 



" The Microscopists Annual " 36 



"The Minerals of Surry Co., N. C." 



(Lewis) 332 



" The Mounds of Illinois" (McAdams). 112 

 "'The Naturalists Directory for 1880" 



(Cassino) 284 



" I he Nature of Heat " (Mohr) 237 



"The New Action of Magnetism on a 



Permanenl Electric Current" (Hall) 112 

 "'The Northern Belt oi Serpentine in 



Radnor Tp." (Rand) 332 



Theobromine, Properties of 75 



II. eof Oxideof Antimony 



in Extensive Lodes in Senora, 



Mexico " (( !ox) 112 



"The optical Characters of Some Mi- 

 cas ' (Lewis) 332 



"'The Origin of Species " (Darwin)...' 174 



