479. ——. 1912. The Mazon Creek, Illinois, Shales and their amphibian fauna. Amer. Jour. Sci., XXXIV, Sept., 277-285, figs. 1-2.

480. ——. 1912. An American Jurassic frog. Amer. Jour. Sci., XXXIV, Sept., 286-288.

481. ——. 1914. The fossil frogs of North America. Amer. Jour. Sci., XXXVIII, Dec., 531-536, figs. 1-2.

482. ——. 1914. A list of the described species of fossil Amphibia. Kans. Univ. Sci. Bull., 9, No. 2, 13-28.

483. ——. 1915. A remarkable Microsaur from the Coal Measures of Ohio. Science, n. s., XLI, No. 1044, 34-35.

484. ——. 1915. Coal Measures Amphibian with an osseous tarsus. Amer. Jour. Sci., XXXIX, May, 509-512, figs. I, 2.

485. ——. 1915. The scaled Amphibia of the Coal Measures. Science, n. s., XLI, No. 1056, 463-464.

486. ——. 1915. Some recent studies on fossil Amphibia. Amer. Nat., XLIX, June, 369-376.

487. ——. 1915. A new fish brain from the Coal Measures of Kansas, with a review of other fossil brains. Jour. Comp. Neurol., XXV, No. 2, 164.