Authors' Catalogue, 247 
Elftman, A. H. 
The geology of the Keweenawan area in northeastern Minnesota. II. 
(Am. Geol., vol. 21, pp. 175-188, Mch. 1898.) 
Ells, R. W. 
Sands and clays of the Ottawa basin. (Geol. Soc. .-^mer., Bull., vol. 
9, pp. 211-222, pi. 16, Feb. 22, 1898.) 
Fairbanks, H. W. 
The great Sierra Nevada fault scarp. (Appletons' Pop. Sci. Monthly, 
vol. 52, pp. 609-621, Mch. 1898.) 
Gould, C. N. 
On a series of transition beds from the Comanche to the Dakota 
Cretaceous in southwest Kansas. (Am. Jour. Sci., ser. 4, vol. 5, pp. 
169-175, Mch. 1898.) 
Greene, G. K. 
Contribution to Indiana pateontology. Pt. I. (7 pp., 3 pis.; Ewing 
and Zeller, New Albany, Ind., Feb. 28, 1898.) 
Grimsley, G. P. 
Gypsum in Kansas. (Kans. Acad. Sci., Trans., vol. 15, pp. 122-127, 
1898.) 
Grimsley, G. P. 
The study of natural palimpsests. (Kans. Acad. Sci., Trans., vol. 15, 
pp. 127-130, 1898.) 
Harnly, H. J. 
Cone-in-cone. An impur£ calcite. (Kans. Acad. Sci., Trans., vol. 
15, p. 22, 1898.) 
[Hay, Robert.] 
Robert Hay. (Kans. Acad. Sci., Trans., vol. 15, pp. 131- 133. 1898.) 
Hollick, Arthur. 
A new fossil grass from Staten island. (Torrey Bot. Club, Bull., 
vol. 24, pp. 122-124, pi. 298, Mch. 1897.) 
Hollick, Arthur. 
A new fossil monocotyledon from the yellow gravel at Bridgeton, 
N. J. (Torrey Bot. Club, Bull., vol. 24, pp. 329-331, pIs. 3ii-3i3' Ji''v 
1897.) 
Hollick, Arthur. 
Affinities of Caulinites Ad. Brong. (Torrey Bot. Club, Bull., vol. 
24, pp. 582-583, pi. 320, Dec. 1897.) 
Iddings, J. P. 
On rock classification. (Jour. Geol.. vol. 6, pp. 92-111, pis. 1-3, 
jan.-Feb. 1898.) 
Ingall, E. D. 
Summary of the mineral production of Canada for 1897. (Geol. 
Survey of Canada, 7 pp., 1898.) 
Jones, A. W. 
The Mentor beds. (Kans. Acad. Sci., Trans., vol. 15, pp. 111-112, 
1898.) 
