June 14, 1902.
[1]. In justice to Mr. Rogers, it should be stated that he did not see the proof of the first article and is not to blame for the very bad errors which it contains.
[2]. Univ. Geol. Surv. Kans., III, pp. 93, 94, 1898.
[3]. Univ. Geol. Surv. Kans., I, p. 116, 1896.
[4]. “Deer Creek Limestone,” Univ. Geol. Surv. Kans., II, p. 117.
[5]. Kans. Univ. Quart., III, p. 278, 1895.
[6]. Univ. Geol. Surv. Kans., I, pp. 118, 119, 1896.
[7]. Ibid., p. 394.
[8]. Ibid., pp. 66, 67.