77 o INDEX. 



Books noticed : page 



" Principles of Sociology " (Spencer) 372 



" The Common Frog " (Mivart) 373 



" The Native Kaces of the Pacific States " (Bancroft) 506 



" Report of the Commissioner of Agriculture " 507 



" Insanity and Disease " (Tourtellot) 507 



" Animal Physiology " (Cleland) 509 



" Elements of Zoology " (Harrison) 509 



" Report of Chicago Relief Society " 624 



" The Doctrine of Descent " (Schmidt) 625 



" Religion as affected hy Modern Materialism " (Martineau) 625 



" Three Essays on Religion " (Mill) 626 



" The Elements of the Psychology of Cognition " (Jardine) 627 



" Influence of Music on Health and Mind " (Chomet) 628 



" Tables for Determination of Minerals " (Frazer) 628 



" Outlines of Proximate Organic Analysis " (Prescott) 629 



" Polarization of Light " (Spottiswoode) 629 



" Researches in Acoustics " (Mayer) 629 



" Metallurgical Properties of Missouri Iron-Ores " (Schmidt) 629 



" Half-Hour Recreations in Science " 630 



" Community of Disease in Man and Other Animals" (Lindsay) 630 



" Metamorphism in the Lignite-Beds of Dakota, etc." (Allen) 630 



" A Ramble round the World " (Hiibner) 630 



" The Voice in Singing " (Seiler) 631 



" Habits of Some American Birds " (Gentry) 631 



" Nomenclature of Diseases " 631 



" The Foes of the Farmers " 631 



" An Elementary Treatise on Steam " (Perry) 631 



" Minnesota Academy of Natural Sciences " 632 



" Archives of Dermatology " 632 



" The Protoplasm Theory " (Curtis) 632 



" Organic Chemistry " (Watts) 632 



" The Chemistry of Light " (Vogel) 750 



" Scientific London " (Becker) 751 



" Practical Treatise on Gases of Coal-Mines " (Atkinson) 752 



" Observations of Sun-Spots " (Spoerer) 752 



" The Elevations of Certain Datum-Points of the Great Lakes," etc. 



(Gardner) 753 



" Polarization of Lieht " (Spottiswoode) 754 



" What is Music ? " (Rice) 755 



" Chemical Examination of Alcoholic Liquors " (Prescott) 755 



" Elements of Magnetism and Electricity " (Angell) 755 



" Principles of Metal-Mining " (Collins) 756 



" Treatment of Electricity " (Fieber) 756 



" The Cultivation of Art " (Cooper) 756 



" Antiquity of Christianity " (Alberger) 756 



Brachiopoda, their Systematic Position 510 



Butter, Artificial 122 



Capture of Elephants 756 



Coal in California 757 



Catching Cold 636 



Cause of " Cold Snaps" 632 



Celestial Chemistry 420 



Cell-Theory, The, in Physiology. . .- 634 



Chameleons. (Illustrated) 526 



Chemical Theory '58 



Chemistry, Future of 276 



Climate of the Glacial Period 3*4 



Co-education 364 



" Cold Snaps," Cause of 632 



Colorado, Exploration of 759 



