. The life of inland waters; an elementary text book of fresh-water biology for American students. Freshwater biology. Limnology 15 knowledge of many of them was possible so long as the most important things involved in them—often even the causative organisms—cotdd not be seen. Progress awaited the discovery of the microscope. The microscope opened a new world of life to human eyes—"the world of the infinitely small ; It revealed new marvels of beauty everywhere. It dis-. FiG. I. Waterbloom (Euglena) on the surface film of the Renwick lagoon at Ithaca. The clear streak is the


. The life of inland waters; an elementary text book of fresh-water biology for American students. Freshwater biology. Limnology 15 knowledge of many of them was possible so long as the most important things involved in them—often even the causative organisms—cotdd not be seen. Progress awaited the discovery of the microscope. The microscope opened a new world of life to human eyes—"the world of the infinitely small ; It revealed new marvels of beauty everywhere. It dis-. FiG. I. Waterbloom (Euglena) on the surface film of the Renwick lagoon at Ithaca. The clear streak is the wake of a boat just passed. covered myriads of living things where none had been suspected to exist, and it brought the elements of organic structure and the beginning processes of organic development first within the range of our vision. And this is not all. Much that might have been seen with the unaided eye was overlooked until the use of the microscope taught the need of closer looking. It would be hard to overestimate the stimu- lating effect of the invention of this precious instnmient on all biological Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Needham, James G. (James George), 1868-1956; Lloyd, John Thomas, 1884- joint author. Ithaca,N. Y. , The Comstock Publishing Company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1915