Tilclen: bibliography of American algae. 367 



897. Merrifield, Mary P. Arctic Marine Vegetation. Na- 

 ture. 12:55-58. 20Myl875. 



898. . Gulf-weed. Nature. 18:708-711. 3101878. 



899. . Wittrock's Snow and Ice Flora. Nature. 



28:304,305. 26J11883. 



900. Merteus, H. Zwei botanisch-wissenschaftliche Ber- 

 ichte vom Dr. Heinrich Mertens, Naturforscher auf der gegen- 

 wartigen Russischen Entdeckungsreise am Bord des Siniavin, 

 Capt. V. Leutkens geschrieben im October 1827 in Kamtschatka, 

 mitgetheilt durch den Vater, Prof. Mertens in Bremen, mit 

 einigen Bemerkungen versehen von Dr. Adelbert v. Chamisso. 

 Linnaea. 4:43-73. 1829. (Smiths. Contr. Knowl. Nereis 

 Boreali-Americana. Part I. 85-87. J11851.) 



A letter with remarks by Dr. A. v. Chamisso. 



901. Miehels, J. The Richmond Diatomaceous Earth. 

 Michels' Science. 1 : 222. 3001830. 



902. Migula, W. Note on how to Prevent the Protoplasm 

 of Algae from Contracting. — (Am. Mo. Mic. Jour. 7:217. 

 N1886.) 



903. Miller S. A. and Dyer, C. B. Contributions to Palae- 

 ontology. Jour. Cin. Soc. Nat. Hist. 1:24-40. pi. 1, 2. Apl878. 



A number of new species of fossil algae described. 



904. Mills, F. W. An introduction to the Study of the 

 Diatomaceae.— (Am. Mo. Mic. Jour. 14:297, 298. 01893.) 



905. Mills, H. Motion of Diatoms. Am. Mo. Mic. Jour. 

 3:8, 9. Jal882.— (Bot. Centralb. 11:43, 44. 1882.) 



906. . Microscopic Organisms in the Buffalo Water 



Supply and in the Niagara River. Proc. Am. Soc. Mic. 

 165-175. 1882. Buffalo. 



907. Mills, H. F. Filtration of Sewage and of Water, and 

 Chemical Precipitation of Sewage at the Experiment Station 

 of the State Board of Health of Massachusetts in 1888 and 

 1889. Mass. St. Bd. Health. Rep. Water Supply and Sewerage. 

 Part II. 1-704. (Algae 47, 613, 653. ) 1890. 



908. 3Iills, L. G. Diatoms from Guano. Sci.-Gossip. 

 148. 1J11865. 



909. . Processes and Inflations in Diatoms. Sci.- 

 Gossip. 103. lMyl867. 



A specimen from Upper Bolivian Guano. 



910. . On the Manipulation and Preparation of 



Objects for the Microscope. — (Mo. Mic. Jour. 1:139, 140. IP 

 1869.) 



