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Hay, O. P. 
On the names of certain North American fossil vertebrates. 
(Science, new ser., vol. 9, pp. 593-594, Apr. 21, 1899.) 
Herrick, C. L. 
Papers on the geology of New Mexico. (Bull. Sci. Lab. Denison 
Univ., vol. II, pp. 75-92, pis. 9-12, Dec. 1898.) 
Herrick, C. L. 
The geology of the San Pedro and the Albuquerque districts. 
(Bull. Sci. Lab. Denison Univ., vol. 11, pp. 93-116, pi. 13, Dec. 1898.) 
Hobbs, W. H. 
Goldscmidtite, a new mineral. (Am. Jour. Sci., ser. 4, vol. 7. pp. 
357-364, May 1899.) 
Irving, J. D. 
Some contact phenomena of the Palisade diabase. (School of 
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Kelvin, Lord. 
The age of the earth as an abode fitted for life. (Ann. Rept. Smith- 
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Keyes, C. R. 
The Missourian series of the Carboniferous. (Am. Geol., vol. 23, 
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Marbut, C. F. 
Geological description of the Clinton sheet [Missouri]. (Geol. 
Survey Mo., vol. 12, pt. 2, pp. 17-104, i pi., i map, 1898.) 
Marbut, C. F. 
Geological description of the Calhoun sheet [Missouri]. (Geol. 
Survey Mo., vol. 12, pt. 2, pp. 105-191, i pi, i map, 1898.) 
Marbut, C F. 
Geological description of the Lexington sheet [Missouri]. (Geol. 
Survey Mo., vol. 12, pt. 2, pp. 193-247, i pi, i map, 1898.) 
Marbut, C. F. 
Geology of the Richmond quadrangle [Missouri]. (Geol. Survey 
Mo., vol. 12, pt. 2, pp. 249-308, I pi., I map, 1898.) 
Marbut, C. F. 
Geology of the Huntsville quadrangle [Missouri]. (Geol. Survey 
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[Marsh, O. C] 
Othniel Charles Marsh. By J. L. Wortman. (Science, new ser., 
vol. 9. pp. 561-565, portrait, Apr. 21, 1899.) 
(Marsh, O. C] 
Othniel Charles Marsh. (Geol. Mag., new sen, dec. 4, vol. 6, pp. 
237-240, portrait. May 1899.) 
