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The two great families of quadrumana, cebidae and simiadae, are a noted instance, the one being exclusively American, while the other belongs entirely to the old world. There are many other cases in which the full circular group can only be completed by taking subdivisions from various continents.
The Simiadae then branched off into two great stems, the New World and Old World monkeys; and from the latter, at a remote period, Man, the wonder and glory of the Universe, proceeded. Thus we have given to man a pedigree of prodigious length, but not, it may be said, of noble quality.
To attach much weight to the few but strong differences is the most obvious and perhaps the safest course, though it appears more correct to pay great attention to the many small resemblances, as giving a truly natural classification. In forming a judgment on this head with reference to man, we must glance at the classification of the Simiadae. Some other small differences might be mentioned.
From these various considerations it is probable that the Simiadae were originally developed from the progenitors of the existing Lemuridae; and these in their turn from forms standing very low in the mammalian series. The Marsupials stand in many important characters below the placental mammals.
The intelligence and teachableness of the simiadae rise to a climax in his pre-eminent mental nature. His sub-analogy to the ferae is marked by his canine teeth, and the universality of his rapacity, for where is the department of animated nature which he does not without scruple sacrifice to his convenience?
The tribes of the cheirotheria I arrange as follows: Typical Bimana. Sub-typical Simiadae. Natatorial Vespertilionidae. Suctorial Lemuridae. Rasorial Cebidae. Here man is put into the typical place, as the genuine head, not only of this order, but of the whole animal world. The double affinity which is requisite is obtained, for here he has the simiadae on one hand, and the cebidae on the other.
He considers the simiadae as a complete circle, and argues thence that there is no room in the range of the animal kingdom for man. Man, he says, is not a constituent part of any circle, for, if he were, there ought to be other animals on each hand having affinity to him, whereas there are none, the resemblance of the orangs being one of mere analogy. Mr.
The Lemuridae stand below and near to the Simiadae, and constitute a very distinct family of the primates, or, according to Haeckel and others, a distinct Order. This group is diversified and broken to an extraordinary degree, and includes many aberrant forms. It has, therefore, probably suffered much extinction.
And this in spite of the glaring fact that, in our teeth, hands, and other features grounded on by naturalists as characteristic, we do not differ more from the simiadae than the bats do from the lemurs in spite also of that resemblance of analogy to the orangs which he himself admits, and which, at the least, must be held to imply a certain relation.
Simiadae, their origin and divisions. Similarity, sexual. Singing of the Cicadae and Fulgoridae; of tree-frogs; of birds, object of the. Sirenia, nakedness of. Sirex juvencus. Siricidae, difference of the sexes in. Siskin, pairing with a canary. Sitana, throat-pouch of the males of. Size, relative, of the sexes of insects. Skin, dark colour of, a protection against heat.
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