Smith—Monograph of Scenedesmus. 
429 
1898, p. 94. Boergesen, 1899A, p. 135. Boergesen, 1899B, p. 333. 
Borge, 1899, p. 7. Forti, 1899, p. 89. Garbini, 1899A, p. 15. 
Lemmermann, 1899, p. 133. Levander, 1899, pp. 63, 70, 80. 
Marsson, 1899, pp. 171, 254. de Toni et Forti, 1899B, p. 792. 
G. S. West, 1899, p. 221. de Wildemann, 1899, p. 11. Zacharias, 
1899, p. 83. Balsamo, 1900, p. 266. Chodat, 1900, p. 2. Lager- 
heim, 1900, p. 10. Lemmermann, 1900G, p. 339. Schmidle, 
1900B, p. 126. Schorler, 1900, p. 5. Boergesen, 1901A, p. 240. 
Borge, 1901A, p. 101. Borge, 1901B, p. 13. Dalla Torre und von 
Sarnthein, 1901, p. 35. Fanning, 1901, p. 617. Lemmermann, 
1901, p. 92. Marsson, 1901 A, pp. 96, 101, 115. Treboux, 1901, p. 
478. West and West, 1901A, p. 196. West and West, 1901B, p. 
119. Wille, 1901, p. 11. Chodat, 1902, p. 210. Forti, 1902, p. 60. 
Riddle, 1902, p. 317. Schmidle, 1902B, p. 125. West and West, 
1902B, p. 64. Fournier, 1903, p. 28. Gutwinski, 1903, p. 204. 
Lemmermann, 1903G, p. 119. Pascher, 1903, p. 175. Schmidle, 
1903, p. 80. Snow, 1903, p. 391. Volk, 1903, p. 104. Wille, 
1903, p. 92. Zacharias, 1903A, p. 203. Gozette, 1904, p. 273. 
Lemmermann, 1904A, pp. 27, 71. Lemmermann, 1904B, p. 305. 
Lemmermann, 1904G, p. 159. Marsson, 1904, pp. 139, 146. 
Schmidle, 1904B, p. 7. G. S. West, 1904A, p. 287. G. S. West, 
1904B, p. 220; Figs. 92A-92B. West and West, 1904, p. 531. 
Fink, 1905, p. 25. Hansgirg, 1905, p. 458. Huber, 1905, p. 57. 
Krause, 1905, p. 110. Lauterborn, 1905, p. 645. Lemmermann, 
1905B, pp. 158, 162. Lemmermann, 1905C, pp. 166, 168. Stadler, 
1905, p. 236. Suhr, 1905, p. 252. Trotter, 1905, p. 45; Fig. 8 
Volk, 1905, p. 65. West and West, 1905, p. 30. Hardy, 1906, 
p. 38. Pascher, 1906, p. 168. Petkoff, 1906B, p. 158. Ruttner, 
1906, p. 10. Schinz, 1906, p. 392. Schorler, Thallwitz und Schiller, 
1906, p. 247. Borge, 1907A, p. 58. Borge, 1907B, p. 4. Brunn- 
thaler, 1907, p. 206. Buchanan, 1907, p. 81. Krause, 1907, pp. 
220, 221. Larsen, 1907A, p. 358. Lemmermann, 1907B, p. 409. 
Migula, 1907, p. 658; PI. XXXV (K), Fig. 9. Ostenfeld, 1907, p. 
384. Le Roux, 1907, p. 244. Schorler, 1907, p. 356. Selk, 1907, 
pp; 57, 64, 73, 79, 85, 91, 94, 99, 112, 115. Teodoresco, 1907, p. 
130. G. S. West, 1907, p. 139. West and West, 1907, p. 229. 
Adams, 1908, p. 35. Forti et Trotter, 1908, pp. 32, 86. Huber, 
1908, p. 313. Kaiser, 1908, p. 163. Kolkowitz und Marsson, 
1908, p. 514. Lemmermann, 1908A, p. 167. Marsson, 1908A, pp. 
30, 32, 40. Marsson, 1908B, pp. 93, 97, 107, 114, 116, 120. West 
and West, 1908, p. 102. Adams, 1909, p. 186. Borge, 1909, p. 16. 
Collins, 1909, p. 168. Eyferth, 1909, p. 116; PI. Ill, Fig. 22. 
Marsson, 1909, pp. 547, 557, 561. Schodduyn, 1909, p. 166. G. S. 
West, 1909A, p. 29. G. S. West, 1909C, p'. 245. G. S. West, 
1909D, p. 69. West and West, 1909B, p. 184. Gugliemetti, 1910, 
p. 32. Hayden, 1910, p. 44. Kofoid, 1910, p. 31. Kolkowitz, 
1910, p. 60. Bachmann, 1911, p. 191. Bethge, 1911, p. 500. 
Comere, 1911, p. 51. Klugh, 1911, p. 97. Lauterborn, 1911, p. 
250. Marsson, 1911, pp. 261, 263, 266, 275, 276, 283. Conrad et 
