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Updated: June 11, 2025
These two groups, the vertebrate animals and the invertebrate, must be regarded as fundamentally distinct. Whence the breast? Vertebrates are either mammals or submammals. These are far beneath in the scale, while the mammal, by its peculiar endowment in that it gives suck to its young, stands elect, aloft, and apart.
Now, there is no other climatic condition that is so hard for a wild bird or mammal to withstand as rain at the freezing point, and a mantle of ice or frozen snow over all supplies of food. The bluebirds perished by thousands. The loss occurred practically all along their east-and-west line of migration, from Arkansas to the Atlantic Coast.
Are we, then, to suppose that some extremely ancient mammal continued androgynous, after it had acquired the chief distinctions of its class, and therefore after it had diverged from the lower classes of the vertebrate kingdom? This seems very improbable, for we have to look to fishes, the lowest of all the classes, to find any still existent androgynous forms.
Its skin, chestnut-brown above and silvery underneath, would have made one of those beautiful furs so sought after in the Russian and Chinese markets: the fineness and the lustre of its coat would certainly fetch L80. I admired this curious mammal, with its rounded head ornamented with short ears, its round eyes, and white whiskers like those of a cat, with webbed feet and nails, and tufted tail.
Having received, as it were, a small cargo of birds and reptiles, but no hairy, warm-blooded quadruped, no mammal, New Zealand became at the end of the chalk-period detached from the northern continent, and isolated, and has remained so ever since. Migratory birds from the north visited it, and at a late date two kinds of bat reached it and established themselves.
The boatswain, standing aft, steered in such a manner as to approach the left side of the mammal, but avoiding, with the greatest care, passing within reach of the formidable tail, a single blow of which would be enough to crush the boat. At the prow Captain Hull, his legs a little apart to maintain his equilibrium, held the weapon with which he was going to give the first blow.
The latter became the servant of the brain and gave the possibility of using tools. But increase in size and activity, and the expense of producing each new individual, led to the adoption of placental development. And the mammal is so complex, the road from the egg to the fully developed young is so long, that a long period of gestation is necessary.
It is the degenerate remainder of the pointed, freely moving, and more advanced mammal ear, the muscles of which we still have, but cannot work them.
On that basis Man is at one with all the mammals and most of the birds. If, indeed, we disregard the originally less essential part of this end that is to say, the care and tending of the young this end of marriage is not only the primary but usually the sole end of sexual intercourse in the whole mammal world.
Di and Bobby had walked home with Jenny. "Look here," said Dwight Herbert, "who is it sits home and has ice cream put in her lap, like a queen?" "Vanilly or chocolate?" Mrs. Bett demanded. "Chocolate, mammal" Ina cried, with the breeze in her voice. "Vanilly sets better," Mrs. Bett said. They sat with her on the porch while she ate. Ina rocked on a creaking board.
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