Koch subsequently improved the method.
Koch has suggested that the disinfection of malarial persons by quinine would have the desired effect, but other authorities of greater experience do not consider it practicable.
Karl Koch considered that cultivated pears were the descendants of three species - P. persica (from which the bergamots have descended), P. elaeagrifolia and P. sinensis.
Xiii., 1892; Koch, C., Die Arachniden (16 vols., Nuremberg, 1831-1848); Koch, Keyserling and Sorensen, Die Arachniden Australiens (Nuremberg, 1871-1890); Pocock, Arachnida of British India (London, 1900); Idem, " On African Arachnida," in Proc. Zool.
He married Elise Koch in June 1862, but the following month he had an attack of pleurisy which proved the beginning of a long illness that ended only with his death.
The principal contributors to the " Transactions " of this section of the academy were--for anatomy and physiology, Coloman Balogh, Eugene Jendrassik, Joseph Lenhossek and Lewis Thanhoffer; for zoology, John Frivaldszky, John Kriesch and Theodore Margo; for botany, Frederick Hazslinszky, Lewis Juranyi and Julius Klein; for mineralogy and geology, Joseph Szabo, Max Hantken, Joseph Krenner, Anthony Koch and Charles Hoffman; for physics, Baron Lorando Eotviis, Coloman Szily and Joseph Sztoczek; for chemistry, Charles Than and Vincent Wartha; for meteorology, Guido Schenzl.
Hausser, Geschichte der Rheinischen Pfalz (Heidelberg, 18 45); Nebenius, Geschichte der Pfalz (Heidelberg, 1874); Giimbel, Geschichte der protestantischen Kirche der Pfalz (Kaiserslautern, 1885); the Regesten cer Pfalzgrafen am Rhein,' 1214-1508, edited by Koch and Wille (Innsbruck, 1894); and Wild, Bilderatlas zur badischpfalzischen Geschichte (Heidelberg, 1904).
Other churches in the heart of the town include the Anglican cathedral, dedicated to St Alban, and the Presbyterian Church, both in Schoemans Street, the Roman Catholic Church in Koch Street with schools, convent buildings and extensive grounds, and the new Dutch Reformed Church in Vermeulen Street.
In 1880, two years before Koch discovered the bacillus of tubercle, C. L.
L-Xylose was discovered by Koch in 1886; its enantiomorph is prepared from d-gulose by Wohl's method.
See Koch, Geschichte der Stadt Eschweiler (Frankfort, 1890).
Koch, Die Pflanzenlause Aphiden (Nuremberg, 1854); T.
His real name was Jodokus (Jobst) Koch, which he changed according to the common custom of German scholars in the 16th century, when at the university of Erfurt.
However, indications furnished by Koch (16a) point in this connexion to G.
Koch, " Mittheilungen fiber den Verlauf der deutschen Expedition ...
Wilken, Het Animisme; Koch on the animism of S.
By Foerster, 1876; Petit Plet, by Chardri, c. 1216 (Koch, Altfr Bibliothek, i., and Mussafia, Z.
Koch, Hermann von Salza, Meister des deutschen Ordens (Leipzig, 1885).
Koch, Comicorum Atticorum fragmenta, ii.; see J.
Robineau (Saint-Omer, 1882); and Friedrich Koch (Goslar, 1885).
On the history of the great European treaties generally, see the Histoire abregee des traites de paix entre les puissances de l'Europe, by Koch, as recast and continued by Scholl (1817 and 1818), and again by Count de Garden in 1848-1859, as also the Recueil manuel of De Martens and Cussy, continued by Geffcken.
P. de Koch, Dr. A.
Rasmussen was accompanied by Lauge Koch, Dr. Thorild Wulff, H.
A third Thule expedition started in 1920 under the leadership of Lauge Koch, who proposed to explore the interior of Peary Land and to fill in certain gaps in the chart of the N.W.
His father, a shipbuilder of German descent (Koch),and his mother,a descendant of William Brewster, were natives of New York City, where the boy grew up, studying law in an office in 1842-1844, and working in a broker's office in 1844-1846, and where, under the influence of Charles G.
Although the whole of Kamrup appears from time to time to have been united into one kingdom under some unusually powerful monarch, it was more often split up into numerous petty states; and for several centuries the Koch, the Ahom and the Chutia powers contested for the Assam valley.
Of late years enormous impulse has been given to our knowledge of the causation of disease by microbes, through the works of Gaspard, who injected putrid matter into the veins of a living animal; by Villemin, who discovered that tuberculosis is infective; by Davaine; and especially by Pasteur, Koch and others too numerous to mention, who have worked, and are still working, at the microbic causation of disease with marvellous success.
In 1876, however, Cohn had seen the spores germinate, and Koch, Brefeld, Pratzmowski, van Tieghem, de Bary and others confirmed the discovery in various species.
Microspira Comma (Koch), Schroeter.
Methods were also improved, and the application of some of them to surgery at the hands of Lister, Koch and others has yielded results of the highest value.
Koch in 1876 published his observations on Davaine's bacilli, placed beyond doubt their causal relation to splenic fever, discovered the spores and the saprophytic phase in the life-history of the organism, and cleared up important points in the whole question (figs.
(After Koch.) A.
An all important factor in this remarkable progress was the introduction by Koch of solid culture media, of the " platemethod," &c., an account of which he published in 1881.
By 1876 the anthrax bacillus had been obtained in pure culture by Koch, and some other pathogenic bacteria had been observed in the tissues, but it was in the decade 1880-1890 that the most important discoveries were made in this field.
For this purpose Koch ground up tubercle bacilli in an agate mortar and treated them with distilled water until practically no deposit remained.
45f,4 Lorentzen, Heidelberg and Umgebung (Stuttgart, 1902); Durm, Das Heidelberger Schloss, eine Studie (Berlin, 1884); Koch and Seitz, Das Heidelberger Schloss (Darmstadt, 1887-1891); J.
Later followed men like Hengstenberg, Homeyer, Bethmann-Hollweg, Puchta, Stahl and Heffter; Schelling, Trendelenburg, Bopp, the brothers Grimm, Zumpt, Carl Richter; later still, Twesten and Dorner, Gneist and Hinschius; Langenbeck, Bardeleben, Virchow, Du-Bois Reymond; von Ranke, Curtius, Lipsius, Hofmann the chemist, Kiepert the geographer; Helmholtz, van't Hoff, Koch, E.
Koch, Der Kaukasus (Berlin, 1882); C. Phillipps Woolley, Savage Svanetia (2 vols., London, 1883); E.
Koch, German Patent 167457, 1903).
A colloidal selenium was obtained by C. Paal and C. Koch (Ber., 1905, 38, p. 526) by reducing selenious acid dissolved in an aqueous solution of sodium protalbate with hydrazine hydrate and hydrochloric acid, the precipitate obtained being then dissolved in sodium carbonate.
Von Koch and F.
(Af ter von Koch.) formed, the endoderm of the basal disk lying above the basal plate is raised up in the form of radiating folds.
(C original; the rest after von Koch.) aporose corals, the only communication between the cavity of the edge-zone and the general cavity of the zooid is by way of the lip of the calicle; in the latter, or perforate corals, the theca is permeated by numerous branching and anastomosing canals lined by endoderm, which place the cavity of the edge-zone in communication with the general cavity of the zooid.
Von Koch, Fauna and Flora des Golfes von Neapel, xv.
Koch, Die Reformation im Herzogtum Julich 1883-1888).
At the same time in Germany, Robert Koch identified the bacteria that caused tuberculosis and the one that caused cholera.