First Lesson in Zoology: Adapted for Use in SchoolsHolt, 1886 - 290 páginas |
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First Lessons in Zoology; Adapted for Use in Schools A S 1839-1905 Packard Sin vista previa disponible - 2018 |
Términos y frases comunes
abdominal adapted animals antennæ arms beak beetle birds body-cavity bones bony fishes brain burrow butterfly called canal Carnivora caterpillar cavity cells ciliated clam claws color common creature Crustacea developed digestive dorsal Echinoderms edge eggs eyes feelers feet female fins foot fore frogs front garpike gills glands grasshoppers head hence hind body hollow horny Hydra incisors insects intestine jaws jelly-fish labrum lancelet larva larvæ legs limbs living lizard lobes lobster lungs Magnified male mammals maxilla metamorphosis metres mouth muscles Natural nerve nervous North America organs oyster pair palpus pharynx plants plates polyp reptiles salamander scales seen segments sharks shell side siphon skin skull slender snail snakes species spines spiracles sponges starfish stomach swimming tail tarsus teeth tentacles thorax toad toes upper valves ventral vertebral column vertebrates whales wings worms young Zoology
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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 111 - Thus the inside of this broad, fleshy expansion is rough like a rasp, and, as Newport states, "is easily employed by the insect in scraping or tearing delicate surfaces.
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...