The Nebular Hypothesis of ISAAC ORR

Yajima S. , “Théorie nébulaire de Shizuki (1760–1806)”, Archives internationales d'histoire des sciences , xii (1959), 169–73.

Isaac Orr , “An Essay on the Formation of the Universe”, American journal of science and arts , vi (1823), 128–49; “Isaac Orr”, Appletons' cyclopaedia of American biography , iv, 593 (Appletons' erroneously gives the date of Orr's graduation from Yale as 1814); “Alexander Metcalf Fisher”, ibid. , ii, 464. For an account of Orr's work with the American Colonization Society, see Staudenraus P. J. , The African colonization movement, 1816–1865 (New York, 1961).

Orr , “An Essay on the Formation of the Universe”, 148.

Ibid. 129.

Ibid. , 131–2.

Ibid. 134.

Ibid. 143.

Ibid. 146.

Ibid. 136.

Ibid. 147.

Ibid. 148.