Atresia of the esophagus in the embryo of the logerhead turtle (Caretta caretta):

Mode of access: Internet.

The negation of squid embryo tropisms by x-radiation /

"3-20-50--525-A201183."

Das Geschlect des Embryo; ein Beitrag zur Lösung des Problems der Geschlechtswahl, für ärztliche Kreise bestimmt.

Mode of access: Internet.

The vegetable system : or, a series of experiments, and observations tending to explain the internal structure, and the life of plants; their growth, and propagation; the number, proportion, and desposition of their constituent parts; with the true course of their juices; the formation of the embryo, the construction of the seed, and the encrease from that state to perfection /

Vol. 1 is dated 1759, vols. 2-3 1761, vol. 4 1762, and vol. 5 1763.