Text-Book of Structural and Physiological Botany (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 edition. Excerpt: ...and vomit of cholera patients are found, at least at the commencement of the attack and possibly as its cause, enormous quantities of organisms of this nature. Under the Schizomy-cetes must also be included Lejitat/1rz'x lmzealir, an organism which always occurs in the mouth, especially in the morning, but is in general without any pathogenous significance. It consists of extremely delicate transparent filaments, which, nevertheless, appear to be composed of separate cells, since they break up into sharply defined pieces simply on being touched. The cube-shaped cells of Sarrina venlrz'n1lz' are commonly found in the gastric juice of man. To this class belongs also the substance known as Mona: (1licroromlr)proa'1: g1'ora, closely resembling the red corpuscules of the blood, which sometimes appears in prodigious quantities on bread and similar substances. The disease caused by Ar/zorion Sc/: awbez'm'z', called ' favus, ' usually attacks the part of the head of man which is covered with hair, and produces there the characteristic straw-coloured crab's-eye-shaped incrustations; and since its spores grow into the hair, this obstinate disease ends in complete and permanent loss of hair. The spores of T rz'r/lop/'1)/twz lonruram penetrate in enormous numbers into the hairs, make them brittle, and cause them to break off at the skin. All these diseases, as well as others which might be added, are contagious. Bacillus an /z1'arz'.r is the cause of ' charbon ' in animals; B. tu11e1'tulasz'r is supposed to be the pathogenous agent in phthisis; /llfirororrur 2/arrimz is the active element of vaccine lymph; /ll. dzlfi/ll/zerz'tz'ru.t is always found in diphtheritic membranes. The foot-rot, the cholera of fowls, and many...