774 INDEX. 



PAGE 



Insect Parasites in Trout-Ponds 763 



Justice, Criminal, in 1876 498 



Klein, H. J., Scientific Geography 713 



Lakes, Formation of 539 



Lessons in Electricity. (Illustrated.) 30, 158, 331 



Lettuce for Silkworms 121 



Lewes, G. H., Sketch of. (Portrait.) 743 



Liehig, his Character and Work 49 



" Statue to 618 



Light, Mechanical Action of. (Illustrated.) 257 



" Colored, Treatment of Lunatics with 634 



Light-Registering Machine 122 



Lingual Development in Babyhood 129 



Littrow, Carl von, Backwardness of the Ancients in Science 438 



Loan Exhibition in London 510 



Local Distribution of Plants 676 



Locust of the Rocky Mountains 377 



Locusts in Africa 766 



Lortet, The Chromis Pater-Familias 322 



Loss of Self -Control in Battle 507 



Lubbock on the Habits of Ants 252 



Lunatics, Treatment of, with Colored Light 634 



Malaria 416 



Marsh-Water as a Vehicle of Ague-Poison 764 



Mathematics in Evolution 202 



Mayer, Prof., on Sound 633 



McCosh, Dr. J., The Supernatural 21 



Measuring Distances by Sound 251 



Meat, Methods of preserving . 125 



Mechanical Action of Light. (Illustrated.) 257 



Medals, The Rumf ord 244 



Medication of Infants 255 



Mello, Rev. J. M., Rock-Structure 426 



Menopoma Alleghaniense 763 



Merriman, C. C, Polar Glaciers s 178 



Meteorites, Source and Composition of 382 



Mississippi River, how it wears away its Banks 380 



Mivart, St. George, What are Bats ? 523 



Modern Scientific Geography. (Illustrated.) 713 



Mollusks of the Rocky Mountains 43 



Money, Paper, French Experiments with 615 



Monstrosities, Cause of 123 



Moth, A, that bores for its Food 250 



Moulds, Our Common. (Illustrated.) 398 



Mound-Builders, A Relic of the 510 



Mountain-Chains, Formation of 253 



