From Bulletin of the Geological Society of America, v. 14, 1903; v. 15, 1904; v. 17, 1906; v. 18, 1907.Mode of access: Internet
(In U. S. Geological survey. 14th annual report, 1892-93, pt. 2, p. 285-395. illus., 21 pl. (partly ...
Part of the illustrative matter is folded."References cited": p. 156-158.Mode of access: Internet
American Naturalist, An Illustrated Magazine of Natural History. vol. XIX, no. 3, March 1885.Mode of...
"From the Proceedings of the American Association for the Advancement of Science, vol.XL, 1891."Mode...
"Reprinted from the Kansas University Quarterly, vol. VI, no. 4, October, 1897."Mode of access: Inte...
From the Journal of geology. v.2, no.2, Feb.-March 1894.Cover-title.Mode of access: Internet
Reprinted from the Journal of geology, vol. VIII, no. 7, October- November, 1900.Cover title.Mode of...
Extracted from the American journal of science and arts, vol. XII. second series, Nov. 1851.Mode of ...
cover-title.From the American journal of science, v. 36, Nov., 1913, v. 37, Jan., Mar., 1914.Mode of...
"Reprinted from the Journal of geology, vol. V, nos. 1 and 2, January-February, February-March 1897....
Several plates preceded by leaf with descriptive letterpress.Extract from the 13th annual report of ...
Trans. Geol. Soc. London. (2) v. 413-495 (+9); pl. 35-41. 1840.Mode of access: Internet
Added t.-p.: The Paleaontographical society, 1883.Each plate preceded by leaf with descriptive lette...
Caption title."Part III."Includes bibliographical references.Electronic reproduction.Mode of access:...
Reprinted from the Journal of geology, vol. xvi, no. 7, October-November, 1908.Mode of access: Inter...
(In U. S. Geological survey. 14th annual report, 1892-93, pt. 2, p. 285-395. illus., 21 pl. (partly ...
Part of the illustrative matter is folded."References cited": p. 156-158.Mode of access: Internet
American Naturalist, An Illustrated Magazine of Natural History. vol. XIX, no. 3, March 1885.Mode of...
"From the Proceedings of the American Association for the Advancement of Science, vol.XL, 1891."Mode...
"Reprinted from the Kansas University Quarterly, vol. VI, no. 4, October, 1897."Mode of access: Inte...
From the Journal of geology. v.2, no.2, Feb.-March 1894.Cover-title.Mode of access: Internet
Reprinted from the Journal of geology, vol. VIII, no. 7, October- November, 1900.Cover title.Mode of...
Extracted from the American journal of science and arts, vol. XII. second series, Nov. 1851.Mode of ...
cover-title.From the American journal of science, v. 36, Nov., 1913, v. 37, Jan., Mar., 1914.Mode of...
"Reprinted from the Journal of geology, vol. V, nos. 1 and 2, January-February, February-March 1897....
Several plates preceded by leaf with descriptive letterpress.Extract from the 13th annual report of ...
Trans. Geol. Soc. London. (2) v. 413-495 (+9); pl. 35-41. 1840.Mode of access: Internet
Added t.-p.: The Paleaontographical society, 1883.Each plate preceded by leaf with descriptive lette...
Caption title."Part III."Includes bibliographical references.Electronic reproduction.Mode of access:...
Reprinted from the Journal of geology, vol. xvi, no. 7, October-November, 1908.Mode of access: Inter...
(In U. S. Geological survey. 14th annual report, 1892-93, pt. 2, p. 285-395. illus., 21 pl. (partly ...
Part of the illustrative matter is folded."References cited": p. 156-158.Mode of access: Internet
American Naturalist, An Illustrated Magazine of Natural History. vol. XIX, no. 3, March 1885.Mode of...