. A manual of zoology. 246 MANUAL OF ZOOLOGY SECT. The abdomen is devoid in the adult, except at the posterior extremity, of any paired limbs. At the posterior end there are frequently appendages forming the sting, ovipositor and genital processes, which may be of the nature of modified limbs. \\|/. Fig. 145.—Culex, mosquito, and larva. (After Guerin and Percheron.) The digestive canal (Fig. 146) consists of a number of parts. It is nearly always considerably longer than the body, and is longer in vegetable-feeding than in carnivorous forms. The mouth leads into a buccal cavity into which the
. A manual of zoology. 246 MANUAL OF ZOOLOGY SECT. The abdomen is devoid in the adult, except at the posterior extremity, of any paired limbs. At the posterior end there are frequently appendages forming the sting, ovipositor and genital processes, which may be of the nature of modified limbs. \\|/. Fig. 145.—Culex, mosquito, and larva. (After Guerin and Percheron.) The digestive canal (Fig. 146) consists of a number of parts. It is nearly always considerably longer than the body, and is longer in vegetable-feeding than in carnivorous forms. The mouth leads into a buccal cavity into which the ducts of a pair of large salivary glands open. Following upon this is a narrow (esophagus (ces), which dilates behind into a crop (cr) for the storage of food. The place of the crop in sucking insects is taken by a stalked sac, usually termed the sucking stomach, but which is more properly a food reservoir. The essential processes. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Parker, T. Jeffery (Thomas Jeffery), 1850-1897; Haswell, William A. (William Aitcheson), 1854-1925. New York, The Macmillan Company; London, Macmillan & Co. ,Ltd.
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