The book The Systematic Relationships of the was written by author C E a Charles Edward Amory Winslow Here you can read free online of The Systematic Relationships of the book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Systematic Relationships of the a good or bad book?
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Te problem here was to unravel the mystery surrounding a disease which from a practical point of view seriously impaired the agricultural development of a large section of our country. At the time when the causal agent of this disease was discovered, the rela- tion of protozoan forms to pathological pro- cesses was not as well appreciated as it is now. The discovery of the causal organism and the working out of its life history, especially in relation to its intermediate host, will always remai...n as a classic example of experimental 13 inquiry, and the successful termination of such researches in the development of efficient pro- tective measures attest the value of these dis- coveries from a purely practical point of view. From the practical results that have followed from scientific investigations, no line of work has been fraught with more import than that which has been carried on by the lamented Reed and his associates on yellow fever. Curi- ously enough, the inception of the theory that this disease was transmitted by mosquitoes was American, yet the idea lay fallow for a consid- erable period of time, until the researches re- ferred to were so convincing that the whole system of prophylaxis was changed almost in a day.
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