Tuesday, August 22, 2017 Text is available under the CC BY-SA 3.0 licence.

Francis Maitland Balfour (1851 – 1882)


British biologist.
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Francis Maitland Balfour
[Why do animals] undergo in the course of their growth a series of complicated changes, during which they acquire organs which have no function, and which, after remaining visible for a short time, disappear without leaving a trace . . . The explanation of such facts is obvious. The stage when the tadpole breathes by gills is a repetition of the stage when the ancestors of the frog had not advanced in the scale of development beyond a fish.
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