Elementary anatomy and physiology : for colleges, academies, and other schools . elementaryanato00hitc Year: 1869 AND PHYSIOLOGY, 19t Fig. 200. Digestive Organs of Ammothea pycnogonoides (Crustacean), a. Esophagur b. Stom* ach. c Intestine, d. Digestive Cavity of the Jaws. e. Digestive Cavity of the Legs. powerful set of muscles, which help in the reduction of the food. These teeth are found in the Lobster's stomach. The stomach of the Leech is very capacious, being nearly the size of the whole body. The same is essentially true of the com- mon Earthworm, which is an Annelid. In many insec
Elementary anatomy and physiology : for colleges, academies, and other schools . elementaryanato00hitc Year: 1869 AND PHYSIOLOGY, 19t Fig. 200. Digestive Organs of Ammothea pycnogonoides (Crustacean), a. Esophagur b. Stom* ach. c Intestine, d. Digestive Cavity of the Jaws. e. Digestive Cavity of the Legs. powerful set of muscles, which help in the reduction of the food. These teeth are found in the Lobster's stomach. The stomach of the Leech is very capacious, being nearly the size of the whole body. The same is essentially true of the com- mon Earthworm, which is an Annelid. In many insects salivary glands are present, and in such cases they are placed at the commencement of the alimentary canal. The different parts of the alimentary canal in insects ' may be properly distinguished in the following manner. The first portion is the Esophagus, muscular, occupying the three thoracic seg- ments and often dilated at its posterior part into a crop (Ingluvies) and muscular gizzard (Proventriculus). Some- times there is appended to the Esophagus a sucking stomach,
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