A treatise upon the art of flying, by mechanical means, with a full explanation of the natural principles by which birds are enabled to fly : likewise instructions and plans, for making a flying car with wings, in which a man may sit, and, by working a small lever, cause himself to ascend and soar through the air with the facility of a bird... /

Mode of access: Internet.

Arbor and Bird Day

Mode of access: Internet.

Arbor and Bird Day

Mode of access: Internet.

Bird-life; a guide to the study of our common birds, With seventy-five full-page colored plates after drawings by Ernest Seton-Thompson.

At head of title: Popular edition in colors.