PDF Books in Children's Science & Nature
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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 ..
Woodland Paths
by Winthrop PackardThe night was dark and bitter cold, though it was early March. Over in the dismal depths of Pigeon Swamp, where no pigeons have nested for nearly a half century though it is as wild and lone to-day as it was when they flocked there by thousands, a deep-toned, lonely cry resounded. It was like the fitful baying of a dog in the distance, only that it..
A Treatise on Mechanics
by Henry KaterThis Treatise on Mechanics, which was originally published in 1830, is the work of Dr. Lardner, with the exception of the twenty-first chapter, which was written by the late Captain Kater. The present edition has been revised and corrected by Dr. Lardner.Placed in the material world, Man is continually exposed to the action of an infinite variety o..
Wildwood Ways
by Winthrop PackardTO-DAY came with a flashing sun that looked through crystal-clear atmosphere into the eyes of a keen northwest wind that had dried up all of November’s fog and left no trace of moisture to hold its keenness and touch you with its chill. It was one of those days when the cart road from the north side to the south side of a pine wood leads you from e..
Winter Butterflies in Bolinas
by Mary D. BarberThe Monarch Butterfly Anosia Plexippus is a familiar object in many parts of the United States, but the fact that it migrates, covering in its flights hundreds and even thousands of miles, is not generally known. This butterfly appears in immense swarms every year early in September at Bolinas, a sheltered haven on the coast of California, about te..
Summer Flowers of the High Alps
by Somerville HastingsThe coloured plates of Alpine plants, which are the special feature of this book, are all reproduced from colour photographs taken directly from nature. The plants were all photographed exactly as they were found, with two exceptions, in the immediate neighbourhood of Rosenlaui in the Bernese Oberland during the month of July 1909; so that the pict..
Guide to Rocks and Minerals of Illinois
by AnonymousIllinois has so long been known as the Prairie State that at first glance it seems a most unlikely place in which to collect rock and mineral specimens. But Illinois has a surprising wealth of rock and mineral resources, not only to be collected as interesting specimens but to be put to practical and profitable use.The rich prairies that gave the s..
Stray Feathers From a Bird Man's Desk
by Austin Loomer RandIn looking back over the preparation of these sketches I feel as though each evening I'd gathered up the bits and pieces left over from the day's work and fashioned them into designs for my own amusement and the edification of my family. Truly it's as though I'd used stray feathers, fallen from the bird skins I'd handled, and fitted them together i..