. La biologie dans le Nord. La biologie. Institutions biologiques 57 des palissades, avec leurs grands murs peints dans l'arrière-plan et la belle découlant d'Hudson à leur base. Il y a la bordure d'un lac de roseaux de l'Oregon central rempli de la volaille sauvage et leurs nids. Une autre pièce montre un peu d'un marécage, cyprès de la Floride avec alligators d'âges divers et la mère garde le nid dans lequel les jeunes sont l'éclosion des œufs. Ici aussi apparaissent de nombreuses espèces de serpents et amphibiens, tous modélisés à l'aide de cire et de couleur à partir de spécimens vivants. Un autre groupe illustre l'esprit de requin bleu

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. Biology in America. Biology. Biological Institutions 57 of the Palisades, with their great walls painted in the back- ground and the lovely Hudson flowing at their base. There is the reedy border of a lake from central Oregon filled with the wild fowl and their nests. Another exhibit shows a bit of a Florida cypress swamp, with alligators of various ages and the mother guarding the nest in which the young are hatching from the eggs. Here too are shown many species of snakes, and amphibians, all modeled in wax and colored from living specimens. Yet another group illustrates the blue shark with a school of young among the sargassum weed of the Gulf Stream, while still another displays an oak tree in leaf with its branches covered by hosts of the beautiful monarch butterfly as it appears when migrating. A unique feature in the Museum's exhibit is Darwin Hall. The Game of the ' * Men of the Old Stone Age '' The woolly rhinoceros, with the saiga antelope and mammoth in the distance. Copyrighted ty the American Museum of Natural History. wherein are displayed groups of invertebrate animals illus- trating the evolution of this portion of the animal kingdom from the Protozoa to the ascidians. Among the former are models of disease producing types such as the organisms causing malaria and the deadly African sleeping sickness. Here too are wax and glass models of the Malaria mosquito, reproducing with wonderful delicacy even such minute parts as the bristles on its body. The work of man in molding the form of animals to his will is illustrated by cases of pigeons and other domestic animals, while the results of modern research in heredity are shown among other ways in the offspring of a pair of rats, and in a demonstration of the inheritance of color in the four o'clock. In the Hall of the Age of Man is depicted by painting and model the story of the "Men of the Old Stone Age" as they lived in their cavern homes and hunted with implements of. Please note that thes

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• bookpublisherbostonrgbadger
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• numéro de livre6