332 The American Geologist. May, i899 
Daly, R. A. 
On a new variety of hornblende. (Proc. Am. Acad. Arts and Sci., 
vol. 34, no. i6, pp. 431-437, Mch. 1899.) 
Davis, W. M. 
Physiography [of the region about Boston, Mass.] (Guide to 
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1-7. A. A. A. S., 50th anniversary meeting, Boston, August. 1898.) 
Davis, W. M. 
The peneplain. (Am. Geol., vol. 23, pp. 207-239. pi. 7. Apr. 1899.) 
Ells, R. W. 
The mineral resources of the Ottawa district. (Ottawa Naturalist, 
vol. 13, pp. 14-21, Apr. 1899.) 
Emerson, B. K. 
Geology: Turner's Falls region. (Guide to localities illustrating 
the geology, etc., of the vicinity of Boston, pp. 33-35. A. A. A. S., 
5,0th anniversary meeting. Boston, August. 1898.) 
Fairchild, H. L. 
Glacial lakes Newberry, Warren and Dana, in central New York. 
(Am. Jour. Sci., ser. 4, vol. 7. pp. 249-263, pi. 6, Apr. 1899.) 
Forsyth, A. (O'Harra, C. C, andj 
Notes on the geology and mineral deposits of a poriion of the 
southern Black hills. (Bull. South Dakota School of Mines. 41 pp.. 
Jan. 1899.) 
Grabau. A. W. 
Palaeontology; eastern ]\Iassachusetts [with bibliography]. Guide 
to localities illustrating the geology, etc., of the vicinity of Boston, 
pp. 37-62. A. A. A. S., 50th anniversary meeting, Boston, August, 
1898.) 
Gulliver, F. P. 
Planation and dissection of the Ural mountains. (Bull. Geol. Soc. 
Am., vol. 10, pp. 69-82, pi. 10, Feb. 25, 1899.) 
Hague, Arnold. 
Early Tertiary volcanoes of the Absaroka range. (Geological So- 
ciety of Washington, pp. 3-25, pis. 1-3, Apr. 1899. Science, new ser., 
vol. 9, pp. 425-442. Mch. 24, 1899.) 
Hay, O. P. 
On one little known and one hitherto unknown species of Sauro- 
cephalus. (Am. Jour. Sci., ser. 4, vol. 7, pp. 299-304, Apr. 1899.) 
Hill, R. T. 
The mineral resources of Porto Rico. (20th Ann. Rept. U. S. 
Geol. Survey, pt. 6, pp. i-io, 1899.) 
Hitchcock, C. H. 
Ancient glacial action in Australasia. (Am. Geol., vol. 22,, pp. 
2^2-2i~. Apr. 1899.) 
Hollick, Arthur. 
Additions to the palasobontany of the Cretaceous formation on 
Staten island. No. II. (Ann. N. Y. Acad. Sci., vol. 11, no. 20, pp. 
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