656 



INDEX. 



N orris, Dr., 127. 



North America, laws of storms in, iii. 



Carolina, earthquakes in, 47. 

 Norway, kjoekkenmodding in, 297, 332. 



observers for the herring-fishery 

 in, GU7. 

 Norwegian seas, exploration of the, 253. 

 Notes and queries on anthropology, ex. 

 Nothofagus in New Zealand, 36S. 

 Notodelphys ovifera, 350. 

 Nova Scotia cyclone, 90. 

 Nowicky, Mr. Max, 345. 

 Nutritive value of clover-hay, 378. 

 Nyren, Mr., xxx. 



O. 



Oaks in Mexico, 3GS. 

 Ober, Mr. Frederick, Ixxxviii., 245. 

 Object-glasses for photography, 530. 

 Objectives for microscopes, xcviii. 

 Observation in acoustics by Galileo, 134. 



theory of errors in, 324. 

 Observations on earth currents, 150. 

 Observatory, a new, 003. 



at Cordoba, the, 30. 

 at Oxford, the new, 35. 

 at Potsdam, the, xxiii. 

 in California, a proposed, 34. 



Lick's, xxii. 

 in Minnesota, a proposed, 33. 

 of Quito, the new, 35. 

 Ocean cables, attacks on, by marine ani- 

 mals, 465. 

 circulation, 57. 

 currents, xxxiii. 



influence of, on tempera- 

 ture, 10S. 

 meteorology, utility of, 87. 

 Odontoptervx toliapicus, 305. 

 Oersted, Mr'. A. S., 307. 



and De la Rive, 31. 

 Oertling, Mr., 201. 

 Offal, utilization of, 521, 523. 

 Ogden Observatory, 271. 

 Ohio, final report upon the geology of, 234. 



fossil vertebrates in, 322. 

 Oil, fine machine, 526. 



from sharks' livers, 419. 

 purification of expended, 430. 

 treatment of lubricating, 525. 

 Oil-beans, Chinese, 362. 



-paintings, regeneration of, 453. 

 -pigment, violet, 505. 

 "Old Probabilities," 7S. 

 Oldershausen, Baron, 429. 

 Olmsted, Mr., 31. 

 Onimus, Mr., 552. 



Opening of the Anderson School, 579. 

 Oppert, Prof., cxv. 



Optical method of studying the vibrations 

 of solid bodies, 191. 

 properties of thin metallic films, 



176. 

 structure of crystals, 235. 

 telegraphy, 475. 

 Optics, xli. 



Orbit of a meteor, 42. 

 Ordnance Bureau, report of the, 592. 

 Oregon coast, destruction of lish by nitro- 

 glycerine on the, 428. 

 Organ-pipes, peculiarities of, 132. 

 Origin and formation of double monsters, 

 324. 

 of the domestic vine, 362. 



Orlowsky, Mr.,561. 



Ormerod, Miss, 309. 



Orth, Dr., cix. 



Orton, Prof., xcii., cxlv., clvi., 248. 



Osborn, Admiral Sherard, Ixxxii. 



Ostensacken, Baron R., 592. 



Otsego Lake, restocking with fish, 426. 



Oudemans, Mr., 243. 



Outerbridge, Mr. Alex. E., clxxxi., 215. 



Owen, Prof. Richard, cxv., exxvi., 305, 331. 



Oxford, new physical laboratory at, 598. 



Observatory, the new, 35. 

 Oxygen gas, manufacture of, 200. 

 Oyster, food and parasite of the, 315. 

 Ozone, xlv. 



acted on by water, 202. 



action on benzole of, 204. 



and antozone, 203. 



a new experiment in, 204. 



a new mode of forming, 203. 



physiological action of, 563. 



Pacific coast, marine mammals of the, 338. 



Ocean, depth of the, 109. 

 Packard, Prof., exxxvi., exxxviii., cxlix., 



322, 579. 

 Palestine, exploration of, exxiv. 

 Palgrave, Mr., 118. 

 Palladium, hydrogenous, 199. 

 Palmer, Dr. Edward, Ixxxviii., cxli., 356. 

 Panama, rain-fall on the Isthmus of, 101. 

 Panceri, Prof., 323, 357. 

 Pantograph, a simple, 489. 

 Paper, gummed, 457. 



imitations of leather, 545. 



industry in the United States, 521. 



pulp, new method of making, 51S. 

 Papillon, M. Fernand, 615. 

 Paraguay, explorations in, 257. 

 new survey of, xcii. 

 Parallax, solar, 16. 

 Parallaxes, stellar, 0. 

 Parasite of the oyster, a new, 315. 

 Parasites of the phylloxera, 395. 

 Parasitism in the animal series, 348. 

 Paris and Greenwich longitudes, 244. 

 green, against insects, 393. 

 Observatory, annals of the, xxiii. 

 the American Society in, 602. 

 Parke, Dr., xxxiii. 

 Parrot, Mr., 31. 

 Parry, Dr. C. C, clix., clxii. 

 Parthenogenesis, exxxiv. 

 Pass & Towney, Messrs., 605. 

 Paste, a superior, 541. 



for labels, 496. 

 Pasteur, Mr., Ixiv., 20S, 43S. 



process for making unalterable 

 beer, 43S. 

 Patent Congress, the International, exci. 

 Patent-Office statistics, exci. 

 Pathology of mumps, the, 549. 

 Paul, Mr., 486. 

 Payne, Prof., exxiv. 



Peabody Academy of Science, Salem, 579. 

 Museum, report of the, 575. 



seventh annual report 

 of the, cxviii. 

 Peaucellier, Mr., xix. 

 Peirce, Prof., xxviii., 26. 



Mr. C. S., 324. 

 Peligot, Mr., Ixiv. 

 Pelobius (Pelomyxa palustris), 31G. 



