Note 2802 — BOOK IX. THE NATURAL HISTORY OF FISHES. (continued 2)

All the chondropterygian fishes, Cuvier says, have, in addition to their ovaries, real oviducts, which the ordinary fishes have not; the lower part of which, being detached, acts as the uterus, into which the eggs descend when they have gained their proper size: and it is here that the young ones burst forth from the egg, when the parent animal is viviparous.