INDEX. 
Page 
A Bit of Summer Work. Burt G. 
Wilder 4 
Abnormal Composition of Milk io 
‘‘Aboriginal Pottery and Stone Imple- 
ments.” (Holdeman) 112 
Aboriginal Remains in the Valley of the 
Shenandoah River 262 
Absolute Invisibility, On the, of Atoms 
' and Molecules. A. E, Dolbear 150 
Academy of Natural Sciences, Phila... 332 
Academy of Sciences, St. Louis 19 
Acanthocystis chcetophora 56 
“ A Case of Diffuse Myelitis,” (Shaw). 235 
Accuracy in Thermometers 202 
Acid Reaction of Animal Tissues after 
Death, The Causes of 47, 188 
Acorns and their Germination 19 
Acrosalenia 143 
Actinia mesembryanthemum 68 
‘‘Actinism ” (Leeds) 112 
Actinophrys sol 56 
Action of Permanganate upon Potas- 
sium Cyanide 188 
Action, The, of Sunlight on Glass. Thos. 
Gaffield 1x2, 180 
“Acute Myelitis” (Weber) 235 
Address to the Readers of " Science”. 321 
Adhesion of the Surfaces of Electrified 
Metals 84 
Adulterations of Coffee 76 
Adulterations of Saffron 307 
Advancement, The, of Science 109 
xEthra, When Discovered 283 
“ A Garnet with Inverted Crystalliza- 
tion ” (Lewis) 332 
Agassizia 144, 145, 147 
“A General Description of the State of 
Indiana ” 296 
Aglaia, When Discovered 305 
Aglauropsis (of Muller) 34 
Agriculture, Department of 78 
Agricultural Meteorology, Observatory 
of 167 
Agriculture, On the Deficiencies of Me- 
teorological Work in Data of Value 
to 167 
Agriculture, School of, at Canterbury, 
New Zealand 31 
Air-Pump, the Sprengel, An Improved 
Method of Operating the 291 
Air, Bacteria in the 77 
Albert Medal, the, of the Society of 
Arts 25 
Albumen in the Urine, Bodecker’s Me- 
thod of Detecting 307 
Alcohol Lamp, Temperature of the 
Flame of the 24 
Alcoholic Liquids, Transformation of, 
into Vinegar 84 
Algol. 275 
Alizarin Blue (of Prud’homme) 307 
Alizarin Steam Reds 188 
Allegheny Observatory . . . 90 
“ Almacantar,” The 305 
“Alterations in the Spinal Cord in Hy- 
drophobia" (Fitz) 81 
Althcea When Discovered 283 
Altona Observatory 9 
Alumina, A New Sulphate of 42 
Aluminum, Electrified, Adhesive Power 
of 84 
Amblyopsis 253 
Amboccelia umbonata 190 
American Archaeology and Ethnology. 7 
American Association for the Advance- 
ment of Science. 42, 43, 52, 102, 109, 
122,241, 270, 271, 279, 290 
American Astronomical Work 90 
Page 
American Chemical Society 332 
American Ciders 24 
American Entomological Society 38 
American Ethnology 19 
“American Journal of Microscopy ”.. . 176 
American Medical Association 52 
American Metrological Society 52, 279 
American Microscopical Society 31 
“American Monthly Microscopical 
Journal” 176 
American Museum of Natural History. 
61, 77, 223 
American Neurological Association. ... 74 
American Olive Oil 24 
American Scientific Societies. 31 
American Society of Civil Engineers. . . 52 
American Society of Mechanical Engi- 
neers 164 
American Society of Microscopists. 52, 
67, 70, 160, 191, 225, 261, 270, 271. 
American Taxidermists, The Society of. 37 
Amia 317 
Ammonia, Albuminoid, in Peaty 
Water 20, 21 
Ammonia, Estimation of, in Potable 
Water 20, 21 
Ammonia, Quantitative Analysis of . . . . 180 
Ammonium Sulphateas a Fertilizer. ... 48 
“A Modification of Berber's Process for 
the Valuation of Coal ” (Monroe) 112 
Amasba proteas 56, 57 
Amceba verrucosa 56 
Amphicyon 17, 303 
Amphioxus 17, 134 
Amphipleura pellucida 150 
Ampkorece 23 
Anachytes 144 
Analcine, Synthesis of 118 
Analysis of Croton Water (Chandler). . 13 
“ Analysis of Philadelphite ” (Haines). 332 
Analysis of Two Ancient Samples of 
Butter 12 
Analysis of Water 13, 20, 66 
Analysis, On a New General Method of. 289 
j Ananchytidce 147 
“ An Apparatus for Photographing Nat- 
ural History Objects in a Hori- 
zontal Position” (Gage) 3x9 
Anas boschas . . .■ 267 
Anatomy, Comparative, Some Recent 
American Papers in 322 
Anatomy, Encephalic, Contributions to 73 
“ Anatomy of Expression ” (Bell) 228 
Anatomy, of the Tongue in Snakes and 
other Reptiles, and in Birds. C. S. 
Minot 234 
Ancient Agricultural Implements of 
Stone. William McAdams 134 
Ancient Butter, Analysis of two Sam- 
ples of 12 
“Ancient Mounds in the Vicinity of 
Naples, Illinois, Pt. II. Illustrated” 
(Henderson) 112 
Andromache, When Discovered 303, 318 
“An Enclosure in Quartz” (Lewis).. . . 332 
“A NewCorundum Locality” (Jefferis). 332 
“ A New Freezing Microtome ” (Hailes) 112 
“A New Locality for Amethyst” 
(Jefferis) 332 
“A New Locality for Analcite” (Foote) 332 
“ A New Locality for Epsomite ” ( Lewis) 332 
“ A New Locality for Fluorite”(Jefferis) 332 
“ A New Locality for Gypsum ” (Rand) 332 
"A New Locality for Millerite ” ( Rand) 332 
“A New Locality for Siderite” (Lewis). 332 
“ A New Locality for Signite ” (Lewis). 332 
“A New Method of Demonstrating the 
Thoracic Duct in Animals ” (Gage) 319 
Page 
“A New Method of Preparing Large 
Sections of Nervous Centres for 
Microscopical Investigation” (Ham- 
ilton) 187 
“A New Polariscope” (Lewis) 332 
“ Angular Aperture of Microscope Ob- 
jectives ” (Blackham) 98, 161 
Aniline and Madder Dyes, Competition 
Between 62 
Animal Instinct in its Relations to the 
Mind ofMan 267, 280 
Animal Tissues, Acid Reaction of, After 
Death 47, 188 
“An Investigation of the Peach Yellows” 
(Halsted) 112 
“Annual Record of Science and Indus- 
try” (Holden) 112 
Ann Arbor Observatory 283 
Annurea longirostris 212 
Annurea stipata 212 
“ A Note on the Zodiacal Light” (Lewis) 112 
Anthracite Coal Fields 88, 89, 98, 100 
Anthracite, On the Origin of 303 
Anthracite (Steam yacht) 95 
Anthracine, Investigation of, and For- 
mula for 79 
“Anthrax of Fruit Trees, or the so-called 
Fire Blight of the Pear, and Twig 
Blight of the Apple Tree,” (Burrill) 112 
Anthremis 306 
Anthromyia brassicce 212 
Anthropoid Brain, A Remarkable Pecu- 
liarity of 25 
Anthropological Society of Paris 93 
Anthropological Society of Washing- 
ton 202, 262, 286 
Antimony, Amount of, in Market Lead. 317 
Antimony, Occurrence of 228 
Antimony, Thermo-Electric Power of. . 150 
Antipathea ol the “ Black Expedition ”. 4 
Antipathes Desbonni 4 
Ardipathes humilis 4 
Antiquity, The, Of Man in Eastern 
America, Geologically Considered. 
Henry Carvill Lewis 192 
Aphelops fossiger 65 
Aphelops meridianus 65 
Aphelops negalodus 65 
“A Physical Treatise on Electricity and 
Magnetism ” (Gordon) 140 
“ A Potsdam Sandstone Outcrop on the 
S. Valley Hill of Chester Valley” 
(Lewis) 332 
“ Apparatus used in Photographing Mi- 
croscopical Objects” (Wells) 112 
Appearance of Ozone on the Evapora- 
tion of Various Liquids 272 
Application of the Photophone to the 
Study of the Noises Taking Place 
on the Surface of the Sun 304 
Appointment of a Chief Signal Officer. . 249 
Apteryx 63 
Aqua Ammonias, Co-efficient of Expan- 
sion of 135 
Aquarium, The New York 25 
Aquilce, «, Spectrum of 259 
Araschnia levana 32 
Araschnia prorsa 32 
Arbacia 145 
Arbaciadcc 143 
Arcella vulgaris 56 
Archccocidaris 147 
Archaeology and Ethnology, American. 7 
Archaeology, Vermont, Relations of the, 
to that of the Adjacent States 174 
Archceopteryx . 16 
Arc has ter Agassizii 235 
Archaster Americanus 235 
