(AMERICAN-JUDAICA).
Isaac Hays. Descriptions of the Inferior Maxillary ...

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.