Mohl, Von, 326.

Mohn, Prof., 56, 188.

Mohr, Dr., 176, 419.

Moll, 364.

Mollusks, 305.

Monads and Amabæ, 246.

Newton, Sir Isaac, 91.
Nicaragua, Lake, 228.
Nicholson, 168.

Nickel magnet, a, 120.
Nies, 161.

Nile, mouth of the, 185.

Montigny, 6, 83.

244, 251.

Moon, the, 23.

Moore, Dr. G. E., 158, 159.

Lieutenant,

survey of the Fiji

group, 186.

S. le M., 326.

Moreno, Don Francisco, 195.

Morrison, James, 200.

Morse, Prof., 275.

Moseley, H. N., 278, 303, 311.

Motor for a pendulum, 94.

Morris, Prof. O. W., 419.

Observatory, Glasgow, Mo., 44.

Moscow archæological exhibition, 261.

Moss, 109, 328.

Mouchez, Captain, 187.

Moulting, 324.

Nipher, Prof., 65.

Nitric acid from the air, 360.
Nitrification by electrical discharges, 362.
Nitrogen, absorption of, 134.

brought by snow, 352.
sources of, 358, 360.

Nitrogenous fertilizers, 367.

Nitroglycerin, congealed, 104.

new plan for the manufact-
ure of, 147.

Noad, Dr. H. M.,

Nobbe, 366.

Nobert, 237.

419.

Noë's thermo-battery, 130.

Nöggerath, Prof. Jacob, 419.

Non-metallic chemistry, 132.

Nordenskjöld, Prof., 177, 189.
Norman, Rev. A. M., 277.

Palmen, Dr. J. A., 310.

Palmer, Dr. E., 233.

explorations, 263.

Palms, classification of, 337.
from the Amazon, 326.

Panceri, Prof., 419.

Papadakis, Prof. J., 419.
Paradox, hydrostatic, 95.
Paris Academy of Science, 243.
Exposition, awards at, 405.
Geographical Society, 199.
Observatory, 62.

Parker, Prof. W. K., 253.

Parlatore, Prof. Filippo, 325, 419.
Parrots of the West Indies, 280.
Parry, Dr., 234.
Parthenogenesis, 283, 328.

Pascal's hydrostatic paradox, 95.
Pasteur, 243, 246.

Patagonia, 195.

Patent Model System, 389.

Phosphorescence, 145.

Phosphorescent animals, 278.

Phosphoric acid as plant-food, 365.
Photographs of the transit of Venus, 16.
Phthalins and Phthaleins, 143.

Phyciodes tharos, 308.

of the globe, 53.

Physics, 91.

Physiological botany, 335.

manual of, 326.

chemistry, 144.

Physiology of language, 270.

Pickering, Prof. E. C., 21, 39.

Pierre, 141.

Pig-iron in 1876, 406.

product by states, 408.
Pilocarpus pinnatus, 344.
Pine for walling wells, 233.
Pipe-stone quarry, 232.
Pisani, M., 157.

Placenta of Prosimians, 298.
Planets, asteroids, etc., 17.
Plank, 106.

Plantamour, 86, 88.
Plant-food, 358, 363, 365.

Plants, composition of, 372.

Plaster casts, prize for cleaning, 404.
Plate-glass, manufacture of, 396.
Plateau, Prof. Félix, 309, 317.

J., 322.

Platinum in organic analysis, 140.
Platt, Franklin, 230.

W. G., 230.

Paul, 305.

Pogson, of Madras, 11.

Peking, climate of, 86.

Pogson's Catalogue, 6.

Penfield, Samuel L., 156.

Poisons of Samoa, vegetable, 346.

Pengelly's cave explorations, 259.

Poisonous grasses, 343.

Rivera, Major D. A., 194.

Roberts, Prof., 244.

Rochester Observatory, N. Y., 49.

Rogers Brothers, 230.

H. D., 179, 237.

Prof. William B., 161.
William A., 39.

Rohlf's expedition, 63.
Rolander, 315.

Rolled iron in 1876, 409.
Rolleston, Prof., 263.
Romanes, G. J., 302.

Rood, 110, 116.

Root, anatomy of, 327.
development, 366.

Rose and Marignac, 139.

Rosenbusch's second volume, 151.

Ross, 239.

Rosse, Lord, 2.

Rostafinsky, 332.

myxomycetes of, 329.

Rothamstead, experiments at, 358, 360.

Rothrock, Prof., 336.

Roudaire, 392.

Rougemont, Ph. de, 307.

Rovida, Prof., 420.

Rowland, 121.

Royal Geographical Society, 193, 202, 205.

Society, 242, 243, 247, 249.

Royston-Pigott, Dr., 238.
Rubensen, 78, 79.

Rücker, 118.

Ruffner, Lieutenant, 220.
Ruhlmann, 88.

Rural economy, 349.

Russell at Sydney, 60.

Russian Geographical Society, 198, 199.
Rust prevented in iron, 403.
Rutherford, Lewis M., 17,
Ryan, Commander, 183.
Rygersma, Dr. V., 420.

Reinke, 332.

Reiss, Dr., 193.

Reissig, Dr., 404.

Religion, 272.

Prof., 326.

32.

Safford, Prof. T. H., 11, 51, 173.