Tilden: BIBLIOGRAPHY OF AMERICAN ALGAE. 327 



389. Dobson, H. A. Volvox globator. Am. Mo. Mic. Jour. 

 6:139. J11885. 



Believed to be the flrst discovery of Volvox in the District of 

 Columbia. 



390. Dodge, C. W. The Structure and Habits of some 

 Water Organisms. (Proc. Rochester Acad. Sci. 2 : 244. (29D 

 1893.) 1894. 



Lecture on some algae and animalcules from Hemlock lake. 



391. Dolley, C. S. Vibratile Cilia and Ciliary Motion. Am. 

 Mo. Mic. Jour. 4:69-75. Ap. 4:89-96. My. 4:111-116. Jel883. 



392. : On a Cilio-flagellate Infusorian recently ob- 

 served in Baltimore Drinking Water. Johns Hopkins Univ. 

 Circ. 3 : 60, 61. Mrl884. 

 Peridinium apiculatum. 



393. -. The Botany of the Bahamas. Proc. Phil. Acad. 



1889: 130-135. (7Myl889.) 1890. 



States that these islands provide a rich fleld for the Algologist. , 



. See Gardiner, J., Brace, L. J. K. and DoUey, 



C. S. 



894. Douglas, H. H. Haeckel's Classification of the Protista. 

 Am. Mo. Mic. Jour. 1:152-154. Agl880. 



395. Douglas. S. T. Colored Snow Fall in west Michigan. 

 Proc. Ann Arbor Sci. Ass. for year ending May I, 1876, 117-129. 

 1876. 



396. Drown, T. M. The Odor and Color of Surface Waters. 

 Jour. New Eng. W. W. Ass. 2-29. Mrl888. 



397. . The Chemical Examination of Waters and the 



Interpretation of Analyses. Mass. St. Bd. Health. Rep. on 

 Water Supply and Sewerage. Part I. 519-578. (Algae. 

 567-569.) 1890. 



. See Stearns, F, P. and Drown, T. M. 



398. Dudley, P. H. Triceratium davyanum. Jour. N. Y. 

 Mic. Soc. 1:145, 146. pi. 1. (15My.) Jel885. 



399. . Notes on Protococcus viridis. Jour. N. Y. Mic. 



Soc. 11:9-13. 1 pi. (18DI885.) Jal886. 



400. Dudley, 3Irs. P. H. Algae. New York St. Mus. 43d 

 Ann. Rep. 61. 25Mrl860. 



An alga collected l)y Mrs. L. E. Hoklen from the Hot Springs of 

 Arkansas is added to the Museum. 



401. Dudley, W. R. Chara, Nitella and Spirogyra in 

 Midwinter. Am. Mo. Mic. Jour. 4:58, 59. Mrl883. 



