Excerpt from Observations on Some Interesting Phenomena in Animal Physiology, Exhibited by Several Species of Planari?: Illustrated by Coloured Figures of Living Animals
The following Observations are chiefly extracted from a journal of incidents in natural history, kept as occasion offered, during several successive years. Many interruptions opposed their progress; the concurrence of circumstances indispensible for connected detail were frequently wanting; experiments were rendered abortive by casualties; and hence the imperfections which they now exhibit.
Nothing is referred to but what has actually been witnessed, which is a better means of promoting the progress of science than resorting to the auxiliary authority of other naturalists.
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