The embryological record is almost always abbreviated in accordance with the tendency of nature (to be explained on the principle of survival of the fittest) to attain her needs by the easiest means. — Francis Maitland Balfour Copy Share Image
The embryological record is almost always abbreviated in accordance with the tendency of nature (to be explained on the principle of survival of the… — Francis Maitland Balfour Copy Share Image
Why it is that animals, instead of developing in a simple and straightforward way, undergo in the course of their growth a series of… — Francis Maitland Balfour Copy Share Image
... the embryological record, as it is usually presented to us, is both imperfect and misleading. It may be compared to an ancient manuscript,… — Francis Maitland Balfour Copy Share Image