INDEX. 



485 



Chemistry, new law of thermo-, Becker, 

 120. 



■Clarke, F. W., minerals of Litchfield, 

 Maine, 262. 



Clarke, J. M., Devonian faunas of New 

 York, 404. 



Clarke, L., and H. Sadler, Star-guide, 407. 



Clerke, A. M., History of Astronomy, 406. 



Climates, Croll's hypotheses of, Woeikof, 

 161. 



Comets (Fabry) and (Bernard), 238; 

 story of Biela's, Newton, 81. 



Cope, E.D.,UpperMiocene inMexico,301. 



Coulter, J. M., Manual of Botany, 76. 



Croll, J., hypotheses of geological cli- 

 mates, Woeikof, 161 ; Climate and Cos- 

 mology, 405. 



Cross, W., topaz and garnet in rhyolite, 

 432. 



Crystals, force function in, 69. 



Dagincourt, Annuaire Geologique, 72. 



Dana, J. D., Lower Silurian fossils from 

 the original Taconic, 241 ; Arnold 

 Guyot, 358; explosive volcanic erup- 

 tions, 395; eruption of Kilauea, 397; 

 early history of Taconic investigation, 

 399. 



Barton, N. H., Upper Silurian in Orange 

 Co., N. Y., 209. 



Davis, W. M., Earthquakes in New 

 England, 408. 



Dewey, C, on the Taconic. 399. 



Dickerson, E. N, Henry and the Tele- 

 graph, 69. 



Dilatancy of media composed of rigid 

 particles in contact, 216. 



Dissipativity. theorem of maximum, 

 Becker, 115. 



Dwight, W. B., fossiliferous Potsdam at 

 Poughkeepsie. 125; fossils from Ca- 

 naan, N. Y., 248. 



E 



Eaton, A., Geological work, 399. 



Eichler, Flora Brasihensis, 158. 



Einhorn, A., Force function in Crystals, 

 69. 



Electrical discharges, surface transmis- 

 sion of, Carhart, 256. 



Electromotive forces, direct and counter, 

 Carhart, 95. 



Electrostatic Battery, 153. 



Exhibition of implements against crypto- 

 gams and parasites, 160. 



Eyerman, J., Triassic foot-prints, 72. 



Emmons, E., at Williams College, 399 ; 

 work on Taconic, 241, 



Farlow, W. G., botanical notices, 479 

 Ford, S. W., fossils from Taconic of 



Emmons, 248 ; Silurian Brachiopod, 



466, 481. 

 Frazer, P., Congress of Geologists, 154, 



403, 481. 



G 



Garman, S., Living Cladodont Shark, 73, 

 Gas Analysis, Hand-book of, Winkler. 



153. 

 Gases, critical temperatures and pres- 

 sures of, 389 ; law of flow. 468. 

 Geological Congress, notice of Frazer's 



report, 154, 403, 481. 

 Geological Reports and Surveys — 



Antigua, 226; China, 71; New York, 

 311; Pennsylvania. 70, 227; South 

 Carolina, 73; Swedish, 71; United 

 States, 229, 310, 401 ; Virginias, 193; 

 Washington and vicinity, 473. 

 Geological Society medals, 408. 

 Geology — 



Arachnidan, Carboniferous, 310; Ar- 

 chaean, Penokee- Gogebic series of, 

 Van Hise, 453. 



Brachiopod, Silurian, Ford, 466. 



Cervus Amencanus, 72 ; Coteau, Mis- 

 souri, 69 ; Cretaceous in northwest- 

 ern Canada, 155; Cretaceous meta- 

 morphic rocks of California, 348. 



Deposits of animals, making, 398 ; 

 Devonian faunas of New York, 404 ; 

 Dinichthys from Ohio, 405 ; Dino- 

 cerata, new, Scott, 303 ; Drift sands 

 in M;iine, Stone, 133. 



Foot-prints, Triassic, Eyerman, 72. 



Gas, natural in Pennsylvania, 309; 

 Gas- wells on anticlinals, White, 393. 



Helderberg, Lower, in New York, 

 Williams, 139. 



Insects, earliest winded, 71. 



Lake Bonneville, Gilbert, 284 ; Leaves, 

 determination of fossil, Ward, 370; 

 in Staten and Long Island clays, 403; 

 nomenclature of fossil, 236. 



Mastodon, llama, etc., from Florida, 

 403 ; metamorphism in California 

 Cretaceous, Becker, 348. 



Olenellus (?) Kjerulfi, Matthew, 472 ; 

 Ore deposits, 474 ; Ostracoda from 

 Colorado, 404. 



Paheocrinoidea, revision of, 311; 

 Potsdam, at Poughkeepsie, N. Y., 

 Dwight, 125; Pteropod, St. John 

 Group, Matthew, 72. 



Quartzite, formation of, Irving, 225 ; 

 Quaternary of Utah, Gilbert, 284. 



