. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. 496 the Mites and Spiders amongst the Arachnida, although they possess a greater number of appendages than either, inasmuch as the males have an accessory pair of legs, used in carrying the eggs (fig, 389, A B). They are small animals with a conical suctorial pi-oboscis and rudimentary abdomen (reduced to a tubercle); and they live in the sea, and crawl slowly about amongst the sea-weeds. There are four pau's of very long, many-join ted legs, which contain tubular diver- ticula of the st


. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. 496 the Mites and Spiders amongst the Arachnida, although they possess a greater number of appendages than either, inasmuch as the males have an accessory pair of legs, used in carrying the eggs (fig, 389, A B). They are small animals with a conical suctorial pi-oboscis and rudimentary abdomen (reduced to a tubercle); and they live in the sea, and crawl slowly about amongst the sea-weeds. There are four pau's of very long, many-join ted legs, which contain tubular diver- ticula of the stomach and the sexual glands. There are no trache». On the other hand, there is a well-developed heart >vith an aorta. Tig. wo.—Amiiiofhra }>i/rj)inr;i»in'(hf (r^frno nniinnl). T>a, proloncnfions of nliment and several lateral ostia. Above the brain lie four small simple eyes. There is a considerable ventral chain, composed of several ganglia. The eggs are carried about on the accessory pair of legs on the thorax of the male (fig, 389) till the larvpe are hatched, Pynnogomim litfovale 0. Fr. Miiller, North Sea. Edw., Ammothca Leach, A. jyygnotjonoidcs Quatr. (fig. 390). TARDIGRADA,* The Tardigrada constitute a second group, which is often separated as a distinct order. They are small mite-like Arachnida, and may * Doyere," M^moire sur les Tartligrades," Ann. dcs Sc. Xat., IP S4r., Tom. XIV., XVIII. C. A. S. Schultze, ^' Jracrobiotiis Hufelandii. etc," Berolini 1834, C. ,S, Schultze, "Echiniscus Bcllennanni," Berolini, 18-10. Dujardia,. 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


Size: 1505px × 1659px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892