This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

Excerpt from The American Journal of Science and Arts, Vol. 34 of 8: July, 1838 Considerations upon the Nature of the Vegetables that have covered the surface o

Excerpt from The American Journal of Science and Arts, Vol. 34: November 1862 IX. Experiments on the formation of Infusoria in boiled solutions of organic matte