INDEX. 775 



PAGE 



Mental Disease in Animals , 639 



Mental Overwork 105 



Mesmerism, Spiritualism, etc 12, 161 



Metals, Our Domestic 636 



Metric Weights in Massachusetts 379 



Mind, Matter and 183 



Mind-Reading hy the Ear 362 



Minerals, Rare, in Colorado 632 



Molecular Magnitudes 653 



Moss-Copper 637 



Movements of Jupiter's Cloud-Masses 81 



Museums of Europe 472 



Mushrooms, Edible 366 



Mystery of Pain 634 



Nature, Study of, in Schools . 367 



JSTear-sightedness in Schools 122 



Nervous Diseases, Heredity in 332 



Newcomb, Simon, Sketch of. (Portrait.) 612 



New Star in Cygno. (Illustrated.) 69 



Niaudet, A., Electric Candle , 429 



Nisbet, C, Pessimism and its Antidote 682 



Notes 127, 255, 383, 511, 639, 768 



Observatories of Italy 538 



Odd Forms among Fishes. (Illustrated.) 525 



Optics, Simple Experiments in. (Illustrated.) 658 



Oswald, Dr. F. L., Vegetation and Climate . 385 



Outerbridge, A. E., Divisibility of Gold. 74 



Over-Consumption, or Over-Production ? 306, 489, 615 



Overwork, Mental 105 



Owls, American. (Illustrated.) 142 



Oxygen, Discovery of, in the Sun 618 



Palmer, J. A., Toadstools , 93 



Parties, Decline of 755 



Party Government, Decline of 734 



Pearce, S. A., The Modern Piano-forte 691 



Pessimism and its Antidote 682 



Pettenkofer, Max von. Air and Houses , 196 



" " Ground-Air 280 



Philadelphia, Building-System of. 510 



Physiology, Elementary Instruction in , 668 



Piano-forte, The Modern 691 



Political Economy, Heat and Motion and 329 



Pottery, Aboriginal, of Illinois. (Illustrated.) 573 



Prescott, A. B., Material Resources of Life 339 



Pressure, Atmospheric, and Life. (Illustrated.) 316 



Pritchard, H. B., Science and War 599 



Proctor, R. A., Jupiter's Cloud-Masses 81 



