The physiological development of the submaxillary gland in the dog.

Most of our present knowledge of the embryological development of the salivary glands can be traced back to the detailed observations made by Chievitz, toward the end of the last century. His classic work “Beitrage zur Entwicklungsgeschichte der Speicheldrüsen", has been supplemented by the studies of Bujard (1911), Schulte (1913), Carmait (1913) and especially Thoma (1919). Relevant information may be found in articles by His (1885}, Hammar (1901), Paulet (1911), Florentin (1928), and more recently Thompson and Bryant (1950). All the above investigations were carried out in human embryos, but data is available as well for other species, such as the pig (Flint, 1901-02; Kallius, 1910; Moral, 1913), dog and cat (Falcone, 1898; Metzner, 1908, Aeberhardt, 1936), mouse and rat (Moral, 1915-16; Borghese, 1950a, 1950b)