. Animal biology. Biology; Zoology; Physiology. DEVELOPMENT OF BIOLOGY 451 of Animals — served to popularize zoology and afforded the neces- sary survey which must precede constructive work. Although Gesner (1516-1565) of Switzerland was without doubt the most learned naturalist of the period and probably the best zoologist who had appeared since Aristotle, the direct path to progress was blazed by men whose plans were less ambitious. Contemporaries of Gesner, who confined their treatises to special groups of organisms which they themselves investigated, really. Fig. 291. - - William Harvey. i


. Animal biology. Biology; Zoology; Physiology. DEVELOPMENT OF BIOLOGY 451 of Animals — served to popularize zoology and afforded the neces- sary survey which must precede constructive work. Although Gesner (1516-1565) of Switzerland was without doubt the most learned naturalist of the period and probably the best zoologist who had appeared since Aristotle, the direct path to progress was blazed by men whose plans were less ambitious. Contemporaries of Gesner, who confined their treatises to special groups of organisms which they themselves investigated, really. Fig. 291. - - William Harvey. instituted the biological monograph which has proved to be an effective method of scientific publication. While the herralists, encyclopaedists, and monographers at work in natural history were making earnest endeavors to develop the powers of independent judgment, long suppressed dur- ing the Middle Ages, the emancipator of biology from the traditions of the past appeared in the Belgian anatomist, Yes alius (1514- 1564). Not content with the anatomy of the time, which consisted almost solely in interpreting the works of Galen by reference to crude dissections made by barbers' assistants, Vesalius attempted to place human anatomy on the firm basis of exact observation. The publication of his great work On the Structure of the Human Body made the year 1543 the dividing line between ancient and modern anatomy, and thenceforth anatomical as well as 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 Woodruff, Lorande Loss, 1879-1947. New York The Macmillan company


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Keywords: ., bookcentury1900, books, booksubjectphysiology, booksubjectzoology