The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . f Cestum, Veneris is attained. The position ofthe alimentary canal, which has here two orifices, is the same throughout this series ;for whilst in Cydippe it runs from pole to polo of the globe (Fig. 5), in Cestum. Veneris ^*^^-it is equally short and straight, running across the body at the middle of its length. In no animal of this orderis there anything like an internal skeleton, the whole body being gelatinous. In Cydippe, however, the bandsupon which the
The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . f Cestum, Veneris is attained. The position ofthe alimentary canal, which has here two orifices, is the same throughout this series ;for whilst in Cydippe it runs from pole to polo of the globe (Fig. 5), in Cestum. Veneris ^*^^-it is equally short and straight, running across the body at the middle of its length. In no animal of this orderis there anything like an internal skeleton, the whole body being gelatinous. In Cydippe, however, the bandsupon which the cilia are seated are of firmer texture than the rest. Many of these animals are very active intheir movements, contrasting strongly with the sluggish Pulmograda. The Cydippe pUeus, a species very abun-dant on many parts of the British coast, is particularly energetic. It is provided with two long tendril-likefilaments, arising from the bottom of two cavities iu the posterior part of the body ; and each of them is furnishedwith lateral branches. These filaments can be entirely retracted within the two cavities of the body, bo that.
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Keywords: ., bookauthorwe, bookcentury1800, bookdecade1840, booksubjectanimals
