Air in the cells of plants, its various uses
How Mr. Day probably lost his life in his diving-ship
Air-bladders of fish
Star-gelly is voided by Herons
Intoxicating mushrooms
Mushrooms grow without light, and approach to animal nature
Seeds of Tillandsia fly on long threads, like spiders on the gossamer
Account of cotton mills
Invention of letters, figures, crotchets
Mrs. Delany's and Mrs. North's paper-gardens