2283. What determines the colour in the plant, determines it also in the animal; only in the plant the colour is more coarsely precipitated, and nothing therefore glimmers from the interior of the body, but all is green. In an animal, however, the colouring matter is transparent, and the interior is thus rendered visible.
2284. With the external coverings, such as scales, and lastly with the hairs, all organs of the trunk, in so far as they are derived from what is vegetable, are exhausted. The vegetable animal, as trunk, is completed, and we must now therefore turn to the sexual organs.
4. SEXUAL ORGANS.
2285. The sexual organs are developments of the integument upon a higher grade, and combinations of the same with the animal systems, like as the blossom is a repetition of all vegetative systems.
2286. They range in the middle between the vegetative and the encephalic animal, and are therefore a totality for themselves, or a sexual animal.
2287. There are vegetative and animal sexual parts.
I. Vegetative Sexual Organs.
2288. Are special developments of the intestine, vessels and branchiæ.
a. SEXUAL ORGANS PROPER.
2289. The proper sexual parts are a repetition of the digestive system on its transition to what is animal, or to the organs of sense.