Why it is that animals, instead of developing in a simple and straightforward way, undergo in the course of their growth a… — 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
