Ransome, 5, 355–375, 1898.

Cross, 4, 115–141, 1897.

Hague, 1, 445–457, 1896.

Pogue, 28, 218–238, 1909.

Warren, 25, 12–36, 1908.

Goldman, 39, 261–288, 1915.

Washington and Pirsson, Belknap Mts., 20, 344–353, 1905; 22, 439–457, 493–515, 1906.

——, Red Hill, 23, 257–276, 433–447, 1907.

——, Tripyramid Mt., 31, 405–431, 1911.

[131]. Quantitative Classification of Igneous Rocks, Cross, Iddings, Pirsson and Washington, Chicago, 1903.