Note 9 — Chapter I · AMPHIBIA, OR BATRACHIANS.
Reading edition
The same phenomena occur, with certain variations, in some other American Batrachians, as the Nototrema marsupiatum of Mexico, and the Notode'phys ovifera of Venezuela. In the Alytes obstetricans of France, Switzerland, and the Rhine district, the ova (about sixty in number) adhere to the hind-legs of the male parent!—Ed.