548 



GENERAL INDEX. 



[52 



Waldo, F., filling- of barometer tubes. 



vii, IS. 

 Waldo, L., thermometry, i. 57, 226, 443. 

 Micrometrieal Measurements of 

 Double Stars, iii, 334. 

 Wales, Silurian land plants of, ii. 153. 

 Walton, E. 21., liquefaction and cold 



from reaction of solids, ii, 206. 

 Ward, H. D. A., rain-fall in Middletown. 



Conn., v, 118. 

 Ward, L, K, Mesozoic dicotyledons, vii, 

 292. 



Guide to the Flora of Washington, 

 iii, 492. 

 Warming, E„ Podostemacea?, ii, 492 ; iv, 



400. 

 Warren, W. F., Paradise Found, xxx, 88. 

 Washington Territory, volcanoes of, 



Hague, vi, 222. 

 Water and ice, Pettersson, vii, 62. 

 absorption spectra of, vii, 485. 

 analyses of. Amazon, ix, 295 ; Hud- 

 son River, ix, 347 ; Mississippi River, 

 ix, 291 ; sea water, iii, 53 ; xxx, 385. 

 electrical resistance of distilled, ix, 

 256. 

 molecular weight of, xxx, 158. 

 organic matter in potable, ix, -490. 

 specific heat of, vi, 57 ; ix, 332. 

 Waterfalls, gorges and, Davis, viii, 123. 

 Waterspouts, tornadoes and. Ferrel, ii, 



33. 

 Watson, H. W., Mathematical Theory 

 of Electricity and Magnetism, xxx, 

 241. 

 Watson, S., botanical notices, v, 82. 

 Botany of California, i, 251, 330. 

 Contributions to American Botany, 

 iv, 297; vi, 323; xxx, 166. 

 Watts, H., Manual of Chemistry, viii. 72. 

 Watts fund, ix, 268. 

 Waves, effect of oil on, v, 231. 

 tidal, in rivers, viii, 228. 

 effect on coasts. Dana, xxx, 103, 

 176, 184. 

 Wave-lengths in the infra-red of the 

 solar spectrum, viii, 391, 459 ; xxx, 

 480. 

 Wead, C. K., millimeter screw, iii, 176, 



intensity of sound, vi. 177, 496. 

 Weather warnings, ii, 75. 



see Meteorology. 

 Webb, T. W., the Sun, xxx, 168. 

 Webster, H. E., Annelida Chastopoda of 



New Jersey, ii, 414. 

 Weight, correction of, for buoyancy of 



the atmosphere, Cooke, vi, 38. 

 Weisbach, A., mineralogical notes, iv, 

 475. 

 hefderite, viii, 318. 

 Synopsis Mineralogica, ix, 72, 



Well, see Artesian. 



Wells, H. L.. gerhardtite and artificial 



basic cupric nitrates, xxx. 50. 

 Wetherby. A. G., distribution and varia- 

 tion of fresh-water mollusks of N. 

 America, iii, 76, 203. 



Fresh-water Mollusks of North 

 America, i, 414. 

 Wethered. E., structure of Carboniferous 



coals, viii, 467. 

 Wetherell, J. P., Pennsylvania Geologi- 

 cal Report, ii. 152. 

 Wheeler, E. S., variations in length of 



bars at freezing point, v, 448. 

 Wheeler's Expedition Reports, see Geo- 

 logical. 

 White, C. A., descent of certain fresh- 

 water mollusks, iii, 382. 



glacial drift in the Upper Missouri 

 region, v, 206. 

 mollusca of the Laramie, v, 207. 

 Green R Group in Montana, v, 41 1. 

 burning of lignite in situ, vi, 24. 

 commingling of types in the Lara- 

 mie group, vi, 120. 



drift of Montana and Dakota, vii, 

 112. 



Jurassic strata of North America. 

 ix. 228. 



the genus Pyrgulifera, ix, 277. 

 Carboniferous Invertebrate Fossils 

 of New Mexico, iv, 149. 



non-marine fossil Mollusca, v, 392 ; 

 vii, 68. 



Fossil Ostreidae of North America, 

 xxx. 79. 

 White. I. C, Pennsylvania Geol. Reports, 



ii, 486; v, 471; vi, 327; vii, 149. 

 Whiteaves, J. F, fossil fishes from De- 

 vonian of Scaumenac Bay, i, 494. 



Siphonotreta Scotica in the Utica 

 formation, iv, 278. 



recent Heteropora from the Strait 

 of Juan de Fuca, iv, 279. 



age of rocks of Q. C. I., British 

 Columbia, ix, 444. 

 Whitfield, R. P., Carboniferous air- 

 breathing mollusks, i, 125. 



nature of Dictyophyton, ii, 53, 132. 

 'age of Bernardston rocks, v, 368. 

 Utica slate graptolites. vi. 380. 

 similarity of Acadian and Potsdam 

 groups, vii. 321, 



paleontological papers, iii, 153,496. 

 Lower Carboniferous limestones of 

 Spergen Hill, iv, 474. 

 Whitman, C. 0., Methods of Microscop- 

 ical Research, xxx, 403. 

 Whitney, J. D., climatic changes of later 

 geological times, i, 149 ; iii, 489 ; v, 

 88, 153, 



