Tilden: bibliography of American algae. 331 



443. Edwards, A (rthuj') M(ea(I). The Occurrence of Marine 

 Diatoms in Fresh Water. Jour. N. Y. Mic. Soc. 9:71. 1893. 



444. . Marine Fossil Diatomaceae from California 



and their Geology.— (Am. Mo. Mic. Jour. 14:90. Mr 1893.) 



Read before the San Francisco Microscopical Society Feb. 15, 1893. 



445. . On a Champlain (?) deposit of Diaiomaceae 



belonging to the Littoral Plain. Am. Jour. Sci. III. 45: 385-388. 

 Myl893. 



Notes 200 species and varieties. 



446. . The Diatomaceae of the Triassic (?) sandstone 



of New Jersey. Am. Nat. 27:817, 818. S 1893.— (Am. Mo. Mic. 

 Jour. 14.290. 01893.) 



447. . Preserving-Objects of Natural History: Micro- 

 scopical Objects. Am. Mo. Mic. Jour. 14:350, 351. D1893. 



Salicylic acid used to preserve diatoms. 



448. — . The Bacillariaceae or Diatomaceae. Am. Mo. 



Mic. Jour. 15:27-29. Jal894. 



449. . Red Snow as seen by means of the Microscope. 



Am. Mo. Mic. Jour. 15:70-74. Mrl894. 



450. . Guano examined Microscopically. The Micro- 

 scope. (Smiley.) N. S. 2:51-54. Apl894. 



Notes on Diatoms. 



451. . Chemical Analyses of the so-called Infusorial 



Earths. Am. xMo. Mic. Jour. 15: 171-175. Jel894. 



452. . On "Species" in the Desmidiae. Am. Mo. Mic. 



Jour. 15:299, 300. 01894. 



453. . Can Life originate without Parent Forms? 



Am. Mo. Mic. Jour. 16: 115, 116. Apl895. 



454. Edw^ards, A(rthur) M(ead)., Johnston, C. and 8mitb^ 



H. L. Practical directions for Collecting. Preserving and 

 Mounting Diatomaceae. Industrial Publishing Company. 1877. 

 New York.— (Am. Nat. 12:63. Jal878.) 



455. Edwards, J. B. On the Water Supply of Montreal and 

 its Suburbs. Can. Nat. and Qaart. Jour. Sci. N. S. 9:116-124. 

 (28Ap) 23Jel879. 



Silicious filaments of diatoms and skeletons of algae were found. 



456. Ehrenberg, C. G. The Diatomaceae. Schomburgh's 

 Reisen im Guiana und am Orinoko wiihrend der Jahre 1835-39; 

 nach seinen Berichten und Alittheilungen an die geographische 

 Gesellschaft in London herausgegeben von Otto Alfred Schom- 

 burgk. G. Wigand. i-xxiv. 1-510. 6 pi. 1841. Leipzig. 



