. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 258 Mr. W. H. Leigh-Sliarpe on The parasites reposed in the body-cavity of the worm, in segments 10 and 11, all but one diploid being on the host's right side. They appeared of an opaque china-white colour, the largest, (fig. 1, A) being 5 mm. in length, the others 4 mm. All were laterally bowed in shape, and curved round the oesophagus of the worm between the calciferous glands and the pouch, but attached by their anterior extremities to the seminal funnels. The worm had been
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 258 Mr. W. H. Leigh-Sliarpe on The parasites reposed in the body-cavity of the worm, in segments 10 and 11, all but one diploid being on the host's right side. They appeared of an opaque china-white colour, the largest, (fig. 1, A) being 5 mm. in length, the others 4 mm. All were laterally bowed in shape, and curved round the oesophagus of the worm between the calciferous glands and the pouch, but attached by their anterior extremities to the seminal funnels. The worm had been killed an hour and a half previous to dissection by immersion in methylated alcohol, and none of the parasites showed any sign of life. It is remarkable that such a large number of parasites should occur within one host, and curious that here we have two individuals permanently associating as one, though not Monocyshs ayilis. Two conjugants in polar apposition. N., nucleus. The unique presumed conjugation of Monocystis magna, Schmidt, has been described by Cuenot (1900) alone, who gives a figure which, to my mind, is not as satisfactory as might be, since it shows the supposed conjugants so clearly as two separate individuals, instead of being apposed in such a way as to look like one individual (fig. 1), the lines of demarcation between them superficially resembling the alimentary canal of some single animal. The association in this species alone was said to be longitudinal—a fact which appears to have been known at the earliest to Bosanquet (1894), who mentions it casually in describing another species, and even admits en ])assant into his paper a very. 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 London, Taylor and Francis, Ltd
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