13] 



VOLUMES XXI-XXX. 



509 



Davis, W. M., Whirlwinds, Cyclones and 



Tornadoes, viii, 151. 

 Daivkins, W. B., antiquity of man, iv, 



314. 

 Dawson, G. H., geology of Peace River 

 region, i, 391. 



geology of British Columbia, ii, 75. 

 glacial deposits in central North 

 America, ix, 408. 



geological map of British Columbia, 

 i, 80. 

 Dawson, J. W.. structure of Uphantasnia. 

 ii, 132. 



Erian flora of the United States, iv. 

 338, 488. 



skeleton of a whale from Ontario, v, 

 200. 



erect Carboniferous trees, Nova 

 Scotia, v, 478. 



Unsolved Problems in Geology, vi, 

 325. 



Cretaceous and Tertiary Floras of 

 British Columbia, vii, 410. 



Prehistoric man in Egypt and Syria, 

 viii, 158. 

 Day, D. F., Catalogue of the Plants of 



Buffalo, vii, 415. 

 De Bary, A., Morphologie und Physiol- 

 ogie der Pilze, ii, 324. 



Comparative Anatomy of the Phan- 

 erogams and Ferns, is, 72. 

 De Candolle, Monographias Phasnogama- 

 rum, ii, 235; v, 481. 



origin of Cultivated Plants, v, 241, 

 370;"vi, 128; ix, 267. 



Botanical nomenclature, vi, 417. 

 Heredity and Selection in the Hu- 

 man Species, is, 265. 

 Delaware, drift in, Chester, v. 18, 436 ; 



vii, 189, ix, 36. 

 Delesse, Revue de Geologie, i, 244. 

 Density of iron before and after fusion, 

 i. 147. 



of liquids at high temperatures, 

 xxx, 380. 

 Derby, O. A., geology of the diamond, 

 iii, 97 ; iv, 34. 



gold-bearing rocks of Brazil, iii. 178. 

 Brazilian martite, iii, 373. 

 Brazilian minerals, vii. 73; ix, 70. 

 decay of rocks in Brazil, vii, 138. 

 flexibility of itacolumite, viii, 203. 

 gold in Brazil, viii, 440. 

 the Santa Catharina meteorite, ix, 

 33, 496. 

 Descartes on Cosmology, i, 80. 

 Dextrose, transformation of, into dextrin, 



ii, 72. ' 

 Diamond, combustion of the, vii, 317. 



see Geology and Minerals. 

 Dictionary of Altitudes, Gannett, ix, 424. 



Dictionary of the Exact Sciences. Poggen- 



dorff, ii, 245. 

 Dielectricity, constant of, vi, 146. 

 Diffraction bands, Moreland, ix, 5. 



grating, coefficient of expansion of. 

 Mendenhali, i, 230. 

 gratings, iv, 63. 



curved, vi, 67, 87, 214. 

 Diffusion of solids into solids, hi, 409. 

 Digestion experiments. Arinsby, ix, 355; 



xxx, 88. 

 Diller, J. S., fulgurite from Mt. Thielson. 

 viii, 252. 



octahedrite as an alteration product 

 of titan ite, viii, 234. 



topaz from Stoneham, Me., ix, 378. 

 Dinocerata, see Geology. 

 Dinosauria, see Geology. 

 Dissocioscope, iii, 235. 

 Distillation of coal tar, Lunge, v, 151. 

 Dixon. A., the ash of epiphytes, iv, 



299] 

 Dodge, W. W., Lower Silurian fossils in 

 Maine, ii, 434. 



Menevian argillites at Braintree, 

 Mass., v, 65. 

 Doelter, ft, volcanic rocks of the Cape 

 ' Verde Islands, v, 393, 

 Dmring, D. A., Geology of the Rio Negro. 



Patagonia, vi, 410. 

 Domeyko, I.. Miueralojia, i, 161. 

 Douglas, J. Jr., Lunge's Manufacture of 



Sulphuric Acid, i, 75. 

 Dowell, B. F., water-level in lakes of 



Oregon, i, 415. 

 Draper, II, photographs of spectrum of 

 comet of June, 1881, ii, 134. 



photographs of spectrum of nebula 

 of Orion, iii, 339. 



use of carbon bisulphide in prisms, 

 ix, 269. 



obituary of, v, 89. 

 Astronomical Medal, v, 482. 

 Draper, J. W., phosphorograph of a so- 

 lar spectrum, i, 171. 

 Drops floating on water, iii, 50. 

 Drumlins, see Geology. 

 Duclaux. influence of sunlight on Micro- 

 coccus, xxx, 489. 

 Dun, W. A., Ohio Floods, ix, 262. 

 Duncan. P. M., Arctic Echinodermata, 



iii, 247. 

 Dunnington, F. P., minerals from Amelia 



Co., Virginia, iv, 153. 

 Dust, fogs and clouds, i, 237. 

 so-called cosmical, ii, 86. 

 see Sun-glows. 

 Dutton, ft E„ arid climate of Western 

 United States, ii, 247. 



Fisher's Physics of the Earth's 

 Crust, hi. 283. 



