Smith—Monograph of Scenedesmus. 445 
the reasons for which are given in the discussion of that 
species. 
GEOGRAPHICAL DISTRIBUTION 
EUROPE. Austria-Hungary (Alexenko, 1888, 1894, 1895; 
Beck, 1887; Blumentritt, 1902; Filarsky, 1900; Franze, 1892, 1893; 
Grunow, 1858; Gutwinski, 1909; Hansgirg, 1884A, 1886, 1889, 
1890A, 1891, 1892B, 1905; lanouchkievitch, 1891; Loitlesberger, 
1888; Pascher, 1903,1906; Reinhardt, 1905; Riabinine,1889A, 1889B; 
Ruttner, 1906; Stadler, 1905). Belgium (Conrad et Kufferath, 
1912; Paque, 1885; de Wildemann, i890B, 1893B; 1895, 1897B). 
Bulgaria (Petkoff, 1906). Denmark (Chodat, 1900; W. West, 
1891B). England (Bennett, 1887, 1888, 1892; Cooke, 1882; 
Griffith, 1912; Hassall, 1845; Larder, 1902; Marquand, 1901, 
1904; Parfitt, 1886; Ralfs, 1845, 1846, 1848; Roy, 1890; G. S. 
West, 1899, 1904B; W. West, 1888, 1889A, 1890, 1892B, 1897B; 
West and West, 1901B, 1909A, 1909B). France (de Brebisson, 
1856; Comere, 1904, 1911; Fournier, 1903; Schodduyn, 1909; 
Turpin, 1820, 1828). Germany (Ehrenberg, 1834; Eyferth, 1909; 
Heering und Homfeld, 1904; Heiden, 1889; Honigmann, 1909; 
Kirchner, 1878; Kolkowitz und Marsson, 1908; Konig, 1888; 
Kiitzing, 1845; Lauterborn, 1907; Leiblein, 1830; Lemmermann, 
1891, 1893, 1895A, 1896, 1897, 1898A, 1899, 1901A, 1905B, 1905C, 
1907B; Marsson, 1899, 1901 A, 1901B, 1908B, 1911; Meyen, 1829; 
Migula, 1907; Nitardy, 1898, 1904; Quelle, 1908; Schmidle, 1893A, 
1894; Schneider, 1908; Schorler, 1900; Schorler, Thallwitz und 
Schiller, 1906; Schroder, 1893, 1897A, 1897B, 1897G, 1898; Stroh- 
meyer, 1897; Selk, 1907; Volk, 1903, 1905; Weiss, 1892; Zacharias, 
1896, 1898, 1903B). Holland (Beyerinck, 1891; Oudemans, 1879). 
Ireland (Adams, 1908, 1909; Archer, 1857; W. West, 1892A; West 
and West, 1902B, 1909B). Italy (Balsamo, 1888; Forti, 1898, 
1899, 1902; Garbini, 1899A; Gugliemetti, 1910; Hohenbiihel- 
Heufler, 1871; Martel, 1887A, 1887B; Meneghini, 1840; Raben- 
horst, 1850; de Toni, 1889A; de Toni et Levi, 1887; Trotter, 1905; 
Zanardini, 1857). Montenegro (Schmidle, 1900B, 1902B). Norway 
(Wille, 1901). Roumania (Teodoresco, 1907). Russia (Alexenko, 
1891; Artari, 1884; Borge, 1894; Chmielweski, 1890; Cienowsky, 
1881; Dorogoslaisky, 1904; Gutwinski, 1891; Iwanoff, 1899; 
Levander, 1899, 1900; Wille, 1879). Scotland (W. West, 1903; 
West and West, 1904, 1905, 1906A, 1909B). Sicily (Lemmer¬ 
mann, 1908A). Sweden (Andersson, 1890; Borge, 1895, 1907A, 
1913; Lagerheim, 1883; Lemmermann, 1904A). Switzerland 
(Chodat, 1902, 1909; Dalla Torre und von Sarnthein, 1901; Friih 
und Schroter, 1904; Huber, 1905, 1907, 1908; Neuweiler, 1901; 
Schmidle, 1895; de Wildemann, 1897A). 
AFRICA. Abyssinia (Lagerheim, 1893). Azores (Archer, 1874; 
Bohlin, 1902; Farlow in Trelease, 1897). Madagascar (West and 
West, 1895). Lake Nyassa (Schmidle, 1902; G. S. West, 1907). 
