D'Albertis, Signor, 205. Dale and Schorlemmer, 143. Dall, W. H., 226, 228, 256, 278, 283, 320. Dallinger, Rev. W. H., 237, 244. and Drysdale, 300. Dallman, Captain, 189. Damoiseau's tables, 20. Dana, Dr. Edward S., 151. Dana's text-book, 152. Darby, Prof. John, 416. D'Arrest's comet, 25. Darwin, F., 249, 252, 327, 328, 345. Lieut.-Commander C. H., 28. Dawson, G. M., 168. J. W., 178, 305. De Genouilly, Admiral, 73. De la Cour, 62. De la Grye, 96. De la Provostaye, 109. De Notaris, Giuseppe, 417. De Romilly, 96, 97. De Waha, 112. Demography, 268. Denison, of Colorado, 89. Descent, theory of, 310. Deville, H. Sainte-Claire, 92, 140. Dipicrylamine, or aurantia, 143. Dohrn, Dr. Anton, 285. Döuhoff, 313. Doolittle, Prof. C. L., 50. Dorpat observations, 59. Dorst, Dr., 188. Dove, 74, 86. Double stars, 6, 7. Draper, Dr. Henry, 1, 11, 26, 46, 114. Draper's (Dr. H.) observatory, Hastings- on-Hudson, 46. Dreyer, Dr., 2. Drink from prickly pear, 342. Drude, Dr. O., 326, 337. Drummond, James, 417. Duboscq, 115. Dudley, W. R., 337. Observatory, Albany, 36. Dujardin, 321. Dulong and Petit, 109. Du Moncel, 121. Dumortier, Eugene, 328, 417. Duncan, Prof. P. M., 300. Dunér, of Lund, 7, 26. Dunker, 176. Dunn, Mr., 417. Dupuy process, 395. Dutton, Captain, 215. Dyer, Prof., 343. Hartlaub, Dr., 296. Hartley, 104, 135. Hofmeister, Prof. Wilhelm, 325, 326, 418. Holden, Prof. Edward S., 1, 3. Harvard College Observatory, Cambridge, Holetschek, 25. Mass., 39. spectra, 107. 1. Thermometry, 102. 2. Expansion, 103. 3. Change of state, 104. 4. Radiation, 107. Heathcote, Commander J. A., 417. Heer, 177. Heeren, 148. Heiden, 355. Heinrich, 366. Heis, Prof. Edward, 34, 418. Hellmann, Dr., 71, 78. Helmholtz, 121, 124, 237, 238, Henry Mountains, Utah, 53. Herand and Bouillet, 187. Herbarium at Kew, 333. Hermann, 139, 142. Herschel, Sir John, 2. William, 19. Hertwig, Prof., 247, 301. Hesse, 104. Hessian fly, 309. Heterogone flowers, 345. Heuglin, Theodor von, 418. Hicks and Harkness, 168. Highway across Peru, 194. Holle, 327. Holub, Dr. E., 203. Holz machine, 131. Holzhauer, Capt.-Lieutenant, 188. Hooker, Sir Joseph D., 211, 336. Hopkins Observatory, Mass., 51. Hoppe-Seyler, 285. Horn, G. H., 318. |