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823. Leffmaiin and Beau. Examination of Water for Sani- 

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824. Le Froy, J. H. The Botany of Bermuda. Contr. 

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Chara foetida A. Br. noted from Mount Langton. 



825. Leidy, J. On the Existence of Entophyta within 

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826. . Descriptions (accompanied by drawings) of 



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827. . Report of the Curators. Proc. Phil. Acad. 



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States that 64 species of fresh water and marine algae have been 

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828. . Red Snow. Proc. Phil. Acad. 6:59. 20Ap 



1852. 



A specimen exhibited brought from the Arctic regions by Dr. E. K. 

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829. . Report of the Curators for 1864. Proc. Phil. 



Acad. 1864:289-291. 27D1864. 



The collection of algae of Leo Lesquereux, comprising 700 species, 

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830. . Euglena viridis. Biol, and Mic. Dept. Phil. 



Acad. 1868:10, 11. 501868. 



831. . Report of the Curators. Pi'oc. Phil. Acad. 



1870:151, 152. 27D1870. 



A small collection of marine algae from Washington Territory donated 

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832. . On Circulatory Movement in Vaucheria. Pix)c. 



Phil. Acad. 1873:420. 23D1873.— (Am. Nat. 8:444. J11874.) 

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833. . On the Mode of Growth of Desmids. Proc. 



Phil. Acad. 1874:15. 17P1874.— (Nature. 10:298. 13Agl874.) 

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834. . On the Motive Power of Diatoms. Proc. Phil. 



Acad. 1874:143, 144. 15S1874.— (Am. Jour. Sci. Arts. III. 

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