Bidspirit auction | (AMERICAN-JUDAICA).

(AMERICAN-JUDAICA). - Isaac Hays. Descriptions of the Inferior Maxillary Bones of Mastodons, in the Cabinet of the American Philosophical Society, with Remarks on the Genus Tetracaulodon, &c. [Extracted from the transactions of the American Philosophical Society, Vol. IV. N.S.]. First Edition in book form. Ten plates. pp. 23, (1). Original printed wrappers, backstrip lacking. Lg. 4to. James Kay, Philadelphia: 1833. Nephew of educator and philanthropist Rebecca Gratz, Isaac Hays (1796-1879) was a renown ophthalmologist and medical ethicist.