Author's Catalogue. 127 
HARRIS, R. A. 
The tides in the Rigolets. (Rep. Geol. La., 1902, pp. 253-260.) 
HOBBS, W. H. 
The mapping of the crystalline schists. (Jour. Geol., vol. 10, Nov.- 
Dec, 1902, pp. S58-S91.) 
IDDINGS, J. P. (CROSS, PIRSSON. and WASHINGTON). 
Quantitative classification of igneous rocks, pp. 286, Univ. Chi. 
Press, Chicago, 1903. 
MATTHEW, W. D. 
The evolution of the horse. (Stipplement to the Am. Mus. Journal, 
vol. 3, Jan., 1903.) 
McCALLIE, S. W. 
An erratic bov>'lder from the Coal Measures of Tennessee. (Am. 
Geol., vol. 31, pp. 46-47, Jan., 1903.) 
MERRILL, F. J. H. 
Geologic map of New York, exhibiting the structure of the state 
so far as known. 1901. 
NEWSOM, J. F. 
A natural gas explosion near 'Waldron, Indiana. (Jour. Geol., vol. 
10, pp. SU3-814, Nov.-Dec, 1902.) 
PERKINS, GEO. H. 
Report of the state geologist [Vermont] on the mineral industries 
and geology of certain areas. 1901-1902, pp. 191, 62 plates, Albany, 
1902. 
PIRSSON, L, V. (CROSS, IDDINGS and WASHINGTON). 
Quantitative classification of igneous rocks. Univ. Chi. Press, pp. 
286, Chicago, 1903. 
PERKINS, GEO. H. 
Sketch of the life of Zadock Thompson. (Rep. State Geologist, 
Vennont, pp. 7-21, 1902.) 
PRESTON, H. L. 
The Franceville (El Paso county, Colorado) meteorite. (Jour. 
Geol., vol. 10, Nov.-Dec, 1902. pp. 852-857.) 
RICHARDSON, C. H. 
The terranes of Orange county, Vermont. (Rep. State Geologist 
of Vermont, 1902. pp. 61-101.) 
ROGERS, A. F. 
Minerals observed on buried Chinese coins. (Am. Geol., vol. 31, 
Jan., 1903, pp. 43-45.) 
SEELY, H. M. 
Sketch of the life and work of Augustus Wing. (Rep. State Geol- 
ogist, Vermont, pp. 22-30, 1902.) 
SEELY, H. M. 
Some Sponges of the Chazy formation. (Rep. State Geologist, 
Vermont, 1902. pp. 151-161.) 
SIMONDS, F. W. 
The minerals and mineral localities of Texas. Bull. No. 5, Texas 
Mineral Survey, Austin, 1902. 
