. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. 462 CEL'STACrA. different form and adaptation in the various groups. As a rule, the anterior pairs are modified to assist in taking up food and are moved nearer the mouth; these are the maxilHpeds, which, with regard to their structure, hold an intermediate position between jaws and feet. In the Decapoda (fig. 362) three pairs of appendages have the form. Fig. 362.—Male and female of Aatacut fluvlatilii seen from the ventral side. In the male the ambulatory and abdominal feet of the left side have b


. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. 462 CEL'STACrA. different form and adaptation in the various groups. As a rule, the anterior pairs are modified to assist in taking up food and are moved nearer the mouth; these are the maxilHpeds, which, with regard to their structure, hold an intermediate position between jaws and feet. In the Decapoda (fig. 362) three pairs of appendages have the form. Fig. 362.—Male and female of Aatacut fluvlatilii seen from the ventral side. In the male the ambulatory and abdominal feet of the left side have been removed; in the female the am- bulatory feet of the right side and the maxilHpeds of both sides. A' antennules; A", antenna!; PI, scale of antenna ; Md, mandible with palp ; Ifx', Mx", first and second maxillse 2IxP to jixj/% the three pairs of maxillipeds ; Goe, Rcnital opening ; Doe, opening of the green gland; F\ F", first and second abdominal foot; Ov, eggs ; A, anus. of maxillipeds, so that there are only five pairs of legs left on the thorax. In the Stomatopoda the first five pairs of thoracic append- ages are modified to form maxillipeds and there are only three pairs. 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 Claus, Carl, 1835-1899; Metcalf Collection (North Carolina State University). NCRS. London, Swan Sonnenschein


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892