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First Lessons in Zoology: Adapted for Use in Schools (Classic Reprint)
A. S. Packard
Sin vista previa disponible - 2018
adapted America animals appearance arms attached base become begin birds body bones bony brain branch broad butterfly called canal cavity cells CHAPTER clam claws close color common connected consists containing covered creature developed digestive divided dorsal edge eggs examine extending eyes feet female fins fish five foot four front gills grow head heart hence hind insects jaws joints kinds larger latter leaves legs less limbs living lizard lobster lower male mammals minute mouth move muscles Natural nearly North organs oyster pair passes plants plates protected pupa represented round scales seen segments separate shell short showing side single skin skull slender snakes species stomach surface swimming tail teeth tentacles toes trees true upper usually valves vertebrates walking wings worms young
Página 261 - Merriam, who thinks this malodorous creature has been too much abused, " is pre-eminently an insect-eater;" he destroys more beetles, grasshoppers, and the like than all our other mammals together, and in addition to these devours vast numbers of mice." Skunks hibernate only during the severest portion of the winter. They are very prolific, bringing forth six to ten young at a birth; these young, with their parents, remaining in one hole for the ensuing year. The badger (Taxidea Americana) is stout...
Página 243 - ... mud being deposited amongst it, but the animal does not appear to make any kind of* composition or mortar by tempering the mud and grass together. There is however a dry bed of grass deposited in the chamber. The entrance is under water. When ice forms over the surface of the swamp, the Musquash makes breathing-holes through it, and protects them from the frost by a covering of mud. In severe winters however these holes freeze up in spite of their coverings, and many of the animals die. It is...