334 



Index. 



"Architecture and Mechanism of the 



Human Brain " (Spitzka) 176 



"Arctic America, Natural History of" 



(Kumlien) 85 



Arctic Winter, the Duration of 314 



Arcturus, Spectrum of 259 



Argyll, the Duke of, Note by, on the 



Fourth State of Matter 33 



Ariel 165 



Arietis, e 236 



" Arrangement of the Families of Fish- 

 es " (Gill) 308 



Artemis, When Discovered 283 



Articulate Language, Discovery of the 



Seat of 93 



Artificial Diamonds 12 



Artificial Mineral Water, Constitution 



of 139 



Ascaris lumbrkoides 303 



Ascococcus Bilrotkii 12 



" A Short Course in Qualitative Chemi- 

 cal Analysis " (Appleton) 212 



"A Simple and Expeditious Method of 

 Investigating all the Division Errors 



of a Meridian Circle " (Rogers) 111 



" A Simple Device for Projecting Vibra- 

 tions of a Liquid Film without 



a lens " (Carhart) 112 



Association of Geologists, and Natural- 

 ists, Transactions of the 44 



Asterias Tanneri 235 



Asteroid Discovered by Peters 317 



Asteroids, List of the, Discovered by 



Prof. James C. Watson 283 



Asterolampra concinna 222 



Asteromphalns Buchii 222 



Asterostoma 144 



Astigmatism in theEyes of Microscopists 8 

 Astronomers, The Education of 



Young 82, 102 



Astronomical Memoranda 263, 295, 330 



Astronomical Observation, Method of 



Encouraging 195 



Astronomical Observations, Mountain 



Sites for 152 



Astronomical Observatory, Mt. Hamil- 

 ton as a Site for an 158 



Astronomical Record, Dreyer's 77 



Astronomical Work, American 80, . 90 



Astronomical Work at the Paris Obser- 

 vatory 82 



Astronomy, Address on, by Asaph Hall. 123 



Astionomy in the United States 250 



Astrophytidcr 147 



Astropyga 147 



" A Supplement to the Article on Cal- 

 careous Crystals in Amphibia, bv 

 Prof. Bolton, Trinity College " 



(Gage) 319 



Atacamite, Researches on 260 



Ateles, Brain of 327, 329 



Alhor, When Discovered 283 



Atmosphere, Height of 84 



Atmospheric Electricity 91, 271 



Atoms and Molecules, On the Absolute 



Invisibility of, 150 



Audiphone, A New, by Thomas 



Fletcher 48 



August Perseids, 1880, The. Edwin V. 



Sawyer 153 



Aulacodiscus crux 222 



Aurora and Zodiacal Light of May 2, 



1877, On the. Henry C. Lewis 151 



Aurora. When Discovered 283 



" A I'^rfiil Culture-Cell " (Sternberg).. 176 



Avicula speciosa 190 



Aviculopecten fragilis 190 



Qaei/lus amylobactcr 162 



I fai Maria paradnxa. II. L. Smith 7 



i ictors in the " Epizootic " 



Di 1 ■ 178 



Bacteria, Formation of Vinegar by 12 



Bacteria, Influcnc-: ol the Galvanic Cur- 

 rent on 224 



Bacteria, Presence of, in 1 lie Air 77 



Bacteria, Origin of 189 



Bact' suae of the " Yellows " 

 of the Peach Tree 199 



Bacterium mycoderma 12 



Bascanion constrictor. Voracity of.. ... . 51 



Bausch and Lomb, Microscopes of. ... . 162 



" Bedford Catalogue " The 213 



Bee, The Endocranium and Maxillary 



Suspensorium of the 136 



Beer, Detection of Picric Acid in 296 



Beet Sap, Organisms in 12 



Behavior of Carbonic Acid with Ness- 



ler's Reagent and Ammonia 296 



Belgian Diatoms, A Synopsis of 23 



Bell Telephone, The 119 



Beluga catodon 215 



Benefactions, Educational, in the Unit- 

 ed States 292 



Bernardinite 89 



Bernardinite, Its Nature and Origin. 



J. M. Silliman 81 



Biddulphia Tuomeyii 222 



Biela's Comet, Period of 258 



Binocular Eye-piece, A New 284 



Biological Society of Paris 59 



Biology, Definition of 312 



Bird Furniture. J. B. Holder 61, 223 



Bird Perches and Stands 61 



Birds, Anatomy of the Tongue in 234 



Birds, Instrumental Substitute for Sing- 

 ing in 24 



Birds, The Greene Smith Collection of, 51, 77 

 Birds, The Mechanism of the Flight or. 23 

 Birds, The Maximilian Collection of. 61, 223 

 Birds of North America, The Elliott 



Collection of 61, 223 



Bismuth, Occurrence of 228 



Bismuth, Thermo-Electric Power of. . . 150 

 Bisulphide of Carbon, Value of, in Mi- 

 croscopical Definition 29 



Bituminous Coal Beds 89, 98, 100 



" Black " Expedition 4 



"Black Knot of Plum and Cherry 



Trees " (Farlow) 81 



Black Snake, Bascanion constrictor, Vo- 

 racity of 51 



Blood Corpuscles, Human, Possibility 



of Identifying 10 



Blood, Fresh, Difficulty in Mounting.. 248 

 Blood, Human, Characteristic Distinc- 

 tion Between, and That of Other 



Animals 296 



" Blow-pipe Analysis " (Ross) 47 



Blow-pipe, Electrical, of M. Jamin 328 



Bodecker's Method of Detecting Albu- 

 men in the Urine 307 



Bolide, A Fine 236 



" Bone Caves of Pennsylvania" (Leidy) 332 

 Boric Acid, Complex Acids Contain- 

 ing 3°7 



Boro-Deci-1 ungstic Acid and Its So- 

 dium Salts 272 



Boro-Molybdic Acid 307 



Boro-Tungstic Acid 307 



Botanical Gardens at Antwerp 23 



Botanical Microscopical Slides of Jas. 



W. Queen & Co 248 



Botanical Society of London 34 



"Botany for High Schools and Col- 

 leges" (Bessey) 248 



Botany of Manhattan Square 320 



Bolhriocidaris 147 



Brachiopods, Observations on the 151 



Brahe's, Tycho, New Star 274 



Brain and Spinal Cord ot the Iguana. . 73 

 Brain, Anlhropoid, A Remarkable Pe- 

 culiarity of 2S 



" Brain Fag" 8 



Brain, Function of the 115 



Brain, Human 25 



Brain, Human, Architecture and Me- 

 chanism of 176 



Brain, Human, The Study of the 4 



Brain, Icihyopsidian, The Objects and 



Methods of a Study of the 251 



Brain of the Chimpanzee 25, 329 



Brain of the Orang Outang. . . 25, 326, 329 

 Brain. The, of the Orang. H. C. Chap- 

 man 326 



Brake, Magnetic Railway 12 



Bramwell, Mr., On the Perkins System. 95 

 Brandon Period, I he Iron Ores of r 



Breakfa 75 



Brissopm 145, 147 



Brissus 145, 146, 147 



British Association for Electrical Science 241 



British Association for the Advancement 



of Science, 1880 109, 172 



" British Diatomaceoe " (Smith) 23 



"British Thoughts and Thinkers" 



(Morris) 260 



Broca, Dr. Paul, Death of 93 



Bromine, Use of, in the Analysis of the 



Sulphides 296 



Bronze, Electrified, Adhesive Power of. 84 



Bronzite in Peckhamite 92 



Brorsen's Comet, Period of , 258 



Brush Dynamo-Machine, The 170, 304 



Buffalo Microscpical Club. 10 



Building Stones, Capability of, for 



Standing Heat 254 



Bunsen Flame, Maximum Temperature 



of 24 



Bunsen's Pile 92 



Butter, Amount of, in Milk 12 



Butter, Ancient, Analysis of Two Sam- 

 ples of 12 



Butter from an Egyptian Tomb 12 



Butterflies, Broods of 32 



Butterflies, Fossil 44 



Qaduliis pandionis 235 



Caffeine 75 



Calcite 96 



Calendula officinalis 307 



Calicarpo Americana 264 



Calliostoma Bairdii 235 



Callisection 210 



Calliteuthis reversa 235 



Callocephalus vitulinus 215 



Calorimeter ( Rosetti) 24 



" Callotte Diaphragm" 284 



" Cambota " (Callichlhys asper) 317 



Canada Balsam for Mounting Diatoms. 29 

 Canes, Sugar, Grown in the United 



States 78 



Canida;, Miocene 303 



Capella 284 



Capillarity, Nature of 116 



Callichthys asper. 317 



Carbon, Combustion of, at Low Tem- 

 peratures 96 



Carbon, Presence of the Vapor of, in 



the Solar Atmosphere 107 



Carbonic Acid, Behavior of, with Ness- 



ler's Reagent and Ammonia 296 



Carbonic Acid Gas in the Air, Effect of, 



upon Crops 12 



" Carcinological Notes, II., Revision of 



the Gelasinn " (Kingsley) 332 



"Carcinological Notes, III., Revision 



of the Genus, Ocypoda," (Kingslev) 332 

 " Carcinological Notes, IV., Synopsis 



of the Grapsidcs " (Kingsley) 332 



Cardiaster 144 



Carex 306 



Carica papaya 117 



Carpenter, Dr., Visit of, to America 7 



Carya glabra 264 



Cassidulus 144 



Cassiope tetragona 101 



Cassiopeids 154 



" Catalogue of the Diatomaceas " (Hab- 



irshaw) 224 



" Catalogue of the Dipteraof the United 



States" (Ostcn-Sacken) 80 



Cat a I pa bignonioides 223 



Catalpa Speciosa 223 



Catopygus 144 



Cat, The Brain of the 4. 49 



Cause of the Acid Reaction of Animal 



Tissues after I >eath 188 



Cause of. the Variations of the Fixed 



Points of Thermometers 224 



Causes which Determine the Progres- 

 sive Movement of Storms. Elias 



Loom is 328 



Caves in Japan. Edward S. Morse 163 



Crbus, Brain of 329 



Cell, A New, for Opaque Objects 209 



Cells for Microscopical Preparations... 74 



( 'entauri, a' , a" 9 



Centauri, ". ft 223 



Central America, Expedition to, Under 



M. Charnay 47 



