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Dante and the early astronomers
by Mary Acworth OrrDante’s astronomy, therefore, is of wide and deep significance. To study its history is to learn a chapter in the development of the human intellect; to see the universe with his eyes is to know how it appeared, not only to his contemporaries but to men in many lands and many centuries. The system of Ptolemy was already a thousand years old when Da..
Birds of Song and Story
by Elizabeth GrinnellSome barbarous peoples possess a rude taste for the beautiful plumage of birds, decorating their bodies in feathers of softest and brightest tints. But we have record of few, if any, savage tribes the world over which delight in bird melody. True, the savage may seek his food by sound, or even song, but to feast the ear on music for music's sake—ah..
Report on the Migration of Birds in the Spring and Autumn of 1880
by John CordeauxThe following Report contains a Summary of the investigations of a Committee appointed by the British Association for the Advancement of Science at Swansea in 1880, an Abstract of which will be presented to the Association at its next Meeting. The Returns relating to Scotland have been arranged by Mr. Harvie-Brown; those for the East Coast of Engla..
Industrial Minerals and Metals of Illinois
by J. E. LamarThis booklet briefly and nontechnically discusses the foregoing materials and some of the work the Illinois State Geological Survey does in gathering information about their occurrence, and character and in developing new uses. The mineral resources of Illinois include many rocks and minerals of varied character and uses. From them are made an..
An Introduction to the Birds of Pennsylvania
by George Miksch SuttonThis book is not intended to be a complete reference work. The descriptions of the birds and statements of their status are as brief as I felt I could make them under the circumstances. Many species of birds which have been recorded in Pennsylvania are not even mentioned. These are omitted so as to simplify the list for the beginner, who is confron..
Observation on the Use and Abuse of Mercury, and on the Precautions Necessary in its Employment
by A. Philips WilsonThe following Observations are addressed to the Public, with a view, on the one hand, to do away certain erroneous prepositions respecting the effects of Mercury, which impede the necessary employment of it; and on the other, to call its attention to the impropriety of an indiscriminate use of this medicine, by which much harm is often done, and th..
Wood Wanderings
by Winthrop PackardTO-DAY the September west winds have begun the fall house-cleaning by sweeping the tops of the pine woods. All the morning the little brown scales which nestle close to the base of each pine leaf as it grows, protecting it from the withering force of the midsummer sun, have been soaring and spinning in high glee, curiously lighting up with brown gl..
Illustrations of the Birds of California, Texas, Oregon, British and Russian America
by John CassinThe natural history of North America has been regarded with especial interest wherever the sciences have been cultivated since the discovery of the continent. There never has been a period, however, in which such extensive and productive research has been carried on, as in that which commenced with the annexation of Texas to the United States, and ..