Note 5 — SECTION II.

I had just been reading Cuvier, to see whether he believed in the Harveian theory of the circulation. I found he did not. “The circulation vortex,” says he, “is sometimes simple, sometimes double and even triple (including that of the vena porta); the rapidity of its movements is often aided by the contraction of a certain fleshy apparatus denominated hearts.” Thus showing that my theory gave to the heart all the prominence that was given to it by this great philosopher, who had not, however, advanced any opinion as to the cause of the circulation.