Smithsonian Report. 1941. — Chase 





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THIS TAPING is OM A SAMPLE OF 

 MATJHAL PAPER FORMED BY DRxSS 

 ALGAL FILAMENTS. 







1-3. views of field and fence shuwing old cotton stalks and fence covered with "natural paper"; 4. photo- 

 micrograph of a piece of bleached algal filin with the filaments teased apart; 5, photograph of t.vping and 

 lead pencil writing on algal paper; 6, photomicrograph of a few filaments of Tribonemn from the green 

 end of an algal film. Courtesy of C. F. Moreland. 



