ZoologyH. Holt, 1883 - 334 páginas |
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Términos y frases comunes
abdomen adult allied animals antennæ apes appendages arms Ascidians attached birds body body-cavity bones brain breeding budding burrows called canal carapace Carnivora cavity cells ciliated claws coast color common coral cord Crustacea developed digestive divided dorsal eggs embryo enlarged eyes feet female fins fish fore four Garpikes gastrula gills glands gorilla habits hatched head hind hollow Hydra inches incisors inhabits insects intestine jaws labrum lancelet larva larvæ legs length limbs lives lobes Lütken's Zoology male mammals maxillæ mesenteries metres mollusks monkeys mouth muscles nearly nerves nervous nest Order organs pairs pectoral fins pharynx polyps pupa reefs represented seen segments shell side skin skull slender snakes species spiracles sponge star-fish stomach SUB-CLASS swimming tadpoles tail teeth tentacles thick thorax toad toes trees tube Ungulates upper usually ventral vertebrates viviparous whales wings winter worms young Zoology
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Página 212 - ... than six. The tail, extremely variable in shape, has twelve rectrices (with certain anomalous exceptions). There is but one common carotid artery, and the sternum is very uniform in shape. Their high physical irritability is coordinate with the rapidity of their respiration and circulation ; they consume the most oxygen and live the fastest of all birds (Coues).
Página 292 - It must not be overlooked, however, that there is a very striking difference in absolute mass and weight between the lowest human brain and that of the highest ape...
Página 292 - It may be doubted whether a healthy human adult brain ever weighed less than thirty-one or two ounces, or that the heaviest gorilla brain has exceeded twenty ounces. This is a very noteworthy circumstance, and doubtless will one day help to furnish an explanation of the great gulf which intervenes between the lowest man and the highest ape in intellectual power...
Página 316 - He is presented first with the facts, and led to a thorough knowledge of a few typical forms, then taught to compare these with others, and finally led to the principles or inductions growing out of the facts. From AE VERRILL, Professor of Zoology in Yale College: " The general treatment of the subject is good, and the descriptions of structure and the definitions of groups are, for the most part, clear, concise, and not so much overburdened by technical terms as in several other manuals of structural...
Página 291 - Tims, to recapitulate, while the gibbons are most remote from man, the orangs approach him nearest in the number of the ribs, the form of the cerebral hemispheres., and other less obvious characters; the chimpanzee is nearest related to him in the form of the skull, the dentition, and the proportions of the arms, while the gorilla resembles him more in the proportions of the leg to the body, of the foot to the hand, in the size of the heel, the curvature of the spine, the form of the pelvis, and...
Página 229 - I believe, hitherto unnoticed by naturalists; his hair is thick and coarse at the extremity, and gradually tapers to the root, where it becomes fine as a spider's web. His fur has so much the hue of the moss which grows on the branches of the trees, that it is very difficult to make him out when he is at rest.
Página 34 - Could we raise one of these coral-bound islands from the waves, we should find that the reefs stand upon submarine slopes, like massy structures of artificial masonry; some forming a broad flat platform or shelf ranging around the land, and others encircling it like vast ramparts, perhaps a hundred miles or more in circuit.
Página 256 - ... is long and thick; its belly is large, and hangs near the ground, the legs being short, round, and very strong, while its hoofs are divided into three parts, each pointing forward. The head is large, the ears long and erect, while the eyes are small and sunken. "The horns, which are composed of a mass of fine longitudinal threads, or laminae, forming a beautifully hard and solid substance, are not affixed to the skull, but merely attached to the skin, resting, however, in some degree, on a bony...
Página 225 - The Female doubtless breeds her young at her Teats; for I have seen them stick fast thereto when they have been no bigger than a small Rasberry, and seemingly inanimate. She has a Paunch, or false Belly, wherein she carries her Young, after they are from those Teats, till they can shift for themselves. Their Food is Roots, poultry or wild Fruits. They have no Hair on their Tails, but a sort of...
Página 225 - I have seen them stick fast thereto, when they have been no bigger than a small raspberry, and seemingly inanimate. She has a paunch or false belly, wherein she carries her young, after they are from those teats, till they can shift for themselves. Their food is roots, poultry, or wild fruits. They have no hair on their tails, but a sort of a scale, or hard crust, as the beavers have. If a cat has nine lives, this creature surely has nineteen ; for if you break every bone in their skin, and mash...