The first pulsations of the foetal heart must simultaneously aid the unfolding of every part.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer
The greatest number is seen in the ostrich, which has eighteen caudal vertebrae in the foetal state, which are reduced to nine in the adult bird, many of them having been anchylosed together.
"The Antiquity of Man"
Charles Lyell
One manufacturer pushed a circular model, claiming that by all the laws of nature the foetal position was the only right one.
"And All the Earth a Grave"
Carroll M. Capps (AKA C.C. MacApp)