... philosophical as it might be in theory, it had defects in practice." [The process might be regarded as not following the scientific rule of proceeding from the known to the unknown; while the small and simple organisms required a skill in handling high-power microscopes which was difficult for beginners to acquire. Hence the course was reversed, and began with the more familiar type of the rabbit or frog. This was Rolleston's practice; but it may be noted that Professor Ray Lankester has ... — The Life and Letters of Thomas Henry Huxley Volume 2 • Leonard Huxley
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