See Drandar, Le Prince Alexandre de Battenberg en Bulgarie (Paris, 1884); Koch, Fiirst Alexander von Bulgarien (Darmstadt, 1887); Matveyev, Bulgarien nach dem Berliner Congress (Petersburg, 1887); Bourchier, "Prince Alexander of Battenberg," in Fortnightly Review, January 1894.
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.
For want of space it must here suffice simply to name some of the ornithologists who have elaborated, to an extent elsewhere unknown, the science as regards their own country: Altum, Baldamus, Bechstein, Blasius (father and two sons), Bolle, Borggreve, whose Vogel-Fauna von Norddeutschland (8vo, 1869) contains what is practically a bibliographical index to the subject, Brehm (father and sons), Von Droste, Gatke, Gloger, Hintz, Alexander and Eugen von Homeyer, Ji ckel, Koch, KOnig-Warthausen, Kriiper, Kutter, Landbeck, Landois, Leisler, Von Maltzan, Bernard Meyer, Von der Miihle, Neumann, Tobias, Johann Wolf and Zander.
How would you define Koch? Add your definition here.