314 MINNESOTA BOTANICAL STUDIES. 



222. Burgess, E. S. Freshwater Algae. — (Am. Nat. 

 22:669-679. Agl888.)— (The Microscope. 8:344, 345. N1888.) 



Condensed from a lecture given at the U. S. Nat. Museum, Wash- 

 ington, D. C, Jan. 7, 1888. 



. See Farlow, W. 0., Nichols, and Burgess, E. S. 



223. Burnett, IV. J. The Family of Vibrionia (Ehrenberg) 

 not animals, but plants. Proc. Am. Ass. Adv. Sci. 195-199. 

 (22Agl850.) 1851. 



224. Bush, BIrs. M. A. Marine Algae. Proc. Phil. Acad. 

 1866:426. (4D) 1866. 



Ninety-flve specimens donated to the Museum. 



225. Butler, Eloise. An active Desmid. Am. Nat. 16:584. 



J11882. 



226. . Desmids (Desmidieae.) Bot. Gaz. 11 : 148, 149. 



Jel886. 



Directions for collecting. 



227. Calkins, G. N. The Microscopical Examination of 

 Water. 23d Ann. Rep. Mass. St. Bd. Health. 397-421. 1892. 



228. . On Uroglena, a Genus of Colony-building In- 

 fusoria observed in certain Water Supplies of Massachusetts. 

 23d Ann. Rep. Mass. St. Bd. Health, 647-658. pi. 1-4. 1892 



Compared with Volvox. 



229. — . A study of Odors observed in the Drinking 



Waters of Massachusetts. 24th Ann. Rep. Mass. St. Bd. 

 Health. 355-379. 1893. 



A number of algae are discussed. 



2^0. . The Seasonable Distribution of Mi croscopical 



Organisms in Surface Waters. 24th Ann. Rep. Mass. St. Bd. 

 Health. 383-390. 1892. 



Diatomaceae, Cyanophyceae and other algae. 



231. Camphell, D. H. Plants of the Detroit river. Bull. 

 Torr. Bot. Club. 13:93,91. Jel886. 



Eighty-seven species of algae listed. 



232. . Some Abnormal Forms of Vaucheria. Am. 



Nat. 20:552,553. Jel886. 



233. . Coloring the Nuclei of Living Cells. Bot. 



Gaz. 12:192,193. . Agl887. 



The spermatozoids of Chara used with good results. 



234. . The absorption of Aniline Colors by Living 



Cells. Bot. Gaz. 12:193,194. Agl887. 



Describes the effect of various dyes upon Spirogyra, Zygnema, etc. 



235. . The study of Fucus in Inland Laboratories. 



Bot. Gaz. 14:182. J11889. 



