Clinical diagnosis : the bacteriological, chemical, and microscopical evidence of disease . most efficient vermicide in cases of anchylostomiasis.]The character of the stools in this affection varies greatly. Diarrhoea [An instructive case of this disease is reported in the Lancet, February 1, 1890.] TRICHOCEPHALUS DISPAR 229 is usually present, and blood is frequently passed. But it may happenthat the discharges are altogether normal. They have been known to con-tain great quantities of Charcot-Leyden crystals (Leichtenstem, see ante).Investigations by Bohland159 on the subject of metabolism
Clinical diagnosis : the bacteriological, chemical, and microscopical evidence of disease . most efficient vermicide in cases of anchylostomiasis.]The character of the stools in this affection varies greatly. Diarrhoea [An instructive case of this disease is reported in the Lancet, February 1, 1890.] TRICHOCEPHALUS DISPAR 229 is usually present, and blood is frequently passed. But it may happenthat the discharges are altogether normal. They have been known to con-tain great quantities of Charcot-Leyden crystals (Leichtenstem, see ante).Investigations by Bohland159 on the subject of metabolism in men in-fested by Anchylostoma, point to the conclusion that the increased dis-tribution of proteids is due to a toxine secreted by the parasite. [In thereport of the Ceylon Commission, 1887,160 ankylostomiasis was statedto be a cause of beri-beri. The association is probably accidental(Sonsino).]161 y. Family (Leuckart).162 1. Trichocephalus dispar (whip-worm).—This worm has a whip-likeform, consisting of a short, stout hinder part, and a long, spiral, filiform. Fig. 92.—Trichocephalus dispar. a. Male; 6. Female; c. Eggs; a. b. slightly magnified; c (eye-piece II., ohjective ). After Br. Cori. process anteriorly The male is 40 mm. and the female 50 mm. short hinder part measures 1 mm. in thickness (fig. 92). The eggs, which are occasionally to be found in the fasces, are brownin colour, mm. long and mm. broad. The shell shows adouble contour, and is flattened at either end, where it is furnished witha small lid, formed of a glossy substance. The yolk is very granular(fig. 92). According to Erniim and others, this parasite, together withAnchylostoma and an insect-larva, produces the beri-beri disease whichis endemic in Sumatra. This view is, however, opposed by other writers(Scheube, Scheffer). 2. Trichina *—Trichina occurs in two different forms in 2^0 THE F^CES the human body, according as its habitat is t
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