658 



INDEX. 



Porter, Prof. T. C, clix. 

 Post-office bulletins published, 61. 

 Potamogeton, near Hamburg, 363. 

 Potassium, bromide of, 559. 

 Potato-disease, new, 403. 



one cause of the, 408. 

 prize for au essay ou the, 

 40G. 

 -tile, Hibberd's, 406. 

 Potatoes by cuttings, 412. 



improved mode of growing, 404. 

 infection by diseased, 404. 

 Pouchet, Prof., cxxxvi., 319, 615. 

 Pourtales, Count, cxli., cxlvi., 579. 

 Powell, Major, lxxvi., lxxxvii., cxxix., 239, 

 262, 327. 

 & Lealand, Messrs., xcviii. 

 Power in microscopic lenses, 278. 

 Practice of the American astronomers, xx. 

 Prague, new mathematical society at, xix. 

 Prairie chicken, introduction of the, into 



the Eastern States, 391. 

 Prehistoric notes of general import, cxxvii. 

 Preparation of condensed milk, 399. 



of starch paste, 534. 

 Prescott, Mr. George B., cxcviii. 

 Preservation of wood, 476. 



of wood-lands, 411. 

 Preserving meat, new method of, 436. 

 wood, new method of, 461. 

 Prestwich & Whittaker, Messrs., lxxv. 

 Prettner, Mr., 123. 



Prevention of boiler incrustation, 469. 

 Pribylov group of islands, 421. 

 Price, Lieut., 267, 270. 

 Prigiwolsky, Capt., xciv. 

 Prime, Mr. Temple, 592. 

 Printing fabrics with naphthylamine col- 

 ors, 504. 

 without a press, photographic, 

 492. 

 Prize by the Anthropological Society of 

 Paris, cxxx. 

 essay of the Copenhagen Academy 

 of Sciences, 603. 

 on steel, 601. 



on the potato-disease, 406. 

 for railway lamps, 476. 

 Problem of three bodies, 1. 

 Process for diminishing the diameter of 



iron or steel wheel tires, 405. 

 Proctor, Prof., 9, 594. 

 Procyon, the double star, 9. 

 Production of ice, 458. 

 Progress of botany, yearly report of the, 



361. 

 Prokop, Mr., 456. 

 Propeller-screw, raising and lowering the, 



4S4. 

 Protection of maps, pictures, etc., 457. 

 Protobathybius Itobcsonii, cxxxviii. 

 Protoplasm, cxl. 

 Prudden,Mr.,356. 



Prussiate of potash and blue vitriol, 497. 

 Psyche, an entomological journal, 574. 

 Psychological Society of Great Britain, 



600. 

 Publications of the Smithsonian Institu- 

 tion, 591. 

 Pullman cars, cxcvii. 

 Punching cold iron, cc. 

 Purification of lubricating oil, 430. 

 Purifying hard water for steamrollers, 471. 

 of water, 565. 



Puscher,Mr.,452, 534. 

 Pustule, treatment of malignant, 55S. 

 Putnam, Mr. F. W., 575, 579, 5S0. 

 Putrefaction of eggs, 550. 

 Pyramid, researches in the great, 4. 

 Pyrethrum, carneum, 393. 



roseum, 394. 

 Pyrolith, a new fuel, 471. 



Q- 



Queckett Club, c. 



Queensland, fossil ceratodus in, 309. 



Quetelet, Prof. L., 015. 



Quetelet's tables of mortality, 609. 



Quicksilver from California in 1S73, 208. 



Quincke, Mr., 128,176. 



Quinquand, Mr., 1S6. 



Quito Observatory, new, xxiv., 35. 



P. 



Babbits, protection of, in England, 396. 



Rabuteau & Papillon, Messrs., 291, 313. 



Races of mankind in Ireland, early, 325. 



Radiation, solar, 19. 



Radziejewski & Salkowski, Messrs., lviii. 



Rail-making, clxxxviii. 



Railway lamps, prize for, 476. 



Railways, aggregate of, clxxxix. 



Raimondi, Prof., 383, 463. 



Rain, hail, etc., influence of the earth's 



surface on, 64. 

 Raiu-fall and frosts in the West Indies, 

 402. 

 and sun-spots, 79. 

 on the Isthmus of Panama, 101. 

 -gauge, self-recording, 101. 

 -water, temperature of, 121. 

 Rammelsberg, Mr., xlvii. 

 Ranyard, Mr., xxvi. 

 Rapp, Mr., 290. 

 Rath, Prof, von, 235. 

 Rathbun,Mr., cxxxviii. 

 Rat-poison, 39S. 

 Ran, Dr. Charles, cxiv. 

 Ranis, Mr., 595. 

 Raulin, Mr., 541. 



Ravenscraig, the English whaler, 610. 

 Rayet, Mr., xxix. 

 Rayleigh, Lord, xliii., 140, 160. 

 Raymond, Prof., 228. 

 Reade, Mr. Winwood, exxxi., 55, 

 Reana luxurians, 411. 

 Red on wool, cochineal, 502, 

 Redfield, Mr. John II., 331. 

 Red-fire, safe and cheap, 431. 

 Reducing rich iron ores, 217. 

 Reed, Commander A. V., lxxxi. 



Mr. A. P., exxviii., 113. 

 Rees, Mr., 2S0. 

 Reflection of light, laws of the, 141. 



of sound upon flames, 175. 

 Refraction of sound, 187. 



of sound by the atmosphere, 

 132. 

 Refrigerating machines, 436. 

 Refuse from scouring wool, utilization of 



the, 524. 

 Regel, Dr.,clx. 

 Regnault's experiments, 209. 

 Reichenbach, Mr., 506. 

 Reid, Col., 91. 

 Reinsch, Mr. Paul, 594. 

 Removal of rust stains, 433. 

 Rennie, Sir John, 615. 



