Authors' Catalogue. 133 
Packard. A. S. 
On the Carboniferous fauna of Rhode Island and Massachusetts, 
[Abstract.] (Proc. A. A. A. S., vol. 47, pp. 360-361, Dec. 1898.) 
Packard, A. S. 
On the systematic position of the trilobites. [Abstract.] (Proc. A. 
A. A. S., vol 47, p. 365, Dec. 1898,) 
Poole, H. S. 
The mineralogy of the Carboniferous, (Jour. Federated Canadian 
Mining Inst., vol. 3, pp. 77-81; 1898.) 
Reid, H. F. 
The periodic variations of glaciers. [Abstract.] (Proc. A. A. A, 
S.. vol. 47, p. 306, Dec. 1898.) 
Richardson, C. H. 
The Washington limestone in Vermont. [Abstract.] (Proc. A. A, 
A. S., vol. 47, pp. 495-496, Dec. 1898.) 
Rutherford, John. 
Notes on the albertite of Nev,- Brunswick. (Jour. Federated Ca- 
nadian Mining Inst., vol. 3, pp. 40-46, 1898.) 
Sardeson, F. W. 
What is the loess? (Am. Jour. Sci., ser. 4, vol. 7, pp. 58-60, Jan, 
1899.;) 
Snyder, W. H. 1 Davis, W. M., assisted by) 
Physical geography, (xviii and 428 pp., 9 pis.: Ginn and Co., 
Boston, 1898.) 
Spencer, J. W, 
Another episode in the history of Niagara river. [Abstract.] (Proc, 
A. A. A. S.. vol. 47, p. 299, Dec. 1898.) 
Spencer, J. W. 
Evidence of recent elevation of New England. [Abstract.] (Proc. 
A. A. A. S., vol. 47, p. 301, Dec. 1898.) 
Spencer, J. W. 
Prof. Hull's "Submerged platform of western Europe." (Geol. 
Mag., new ser.. dec, 4. vol. 6, pp. 16-18, Jan, 1899.) 
Stevenson, J. J. 
Our society. [Presidential address delivered at the annual meet- 
ing of the Geological Society of America, New York, Dec. 28, 1898.] 
(Science, new ser., vol. 9, pp. 41-52, Jan. 13, 1899.) 
Tarr, R. S. 
Physical geography of New York state. Pt. V. The rivers of 
New York. (Bull. Am. Geog. Soc, vol. 30, no. 5, pp, 375-407, 1898.) 
Todd, J. E. 
Geology as a factor in education. (South Dakota Educator, vol. 
12, no. 2, pp. 9-12, Sept. 1898.) 
Todd. J. E. 
The first and second biennial reports on the geology of South 
Dakota, with accompanying papers, 1893-6. James E. Todd, state 
geologist. (South Dakota Geol. Survey, Bull, No. 2. 8 and 138 pp., 
15 pis., 1898.) 
