Author's Catalogue. 195 
HILGARD. E. W. 
Soil work in the United States. (Science, vol. 19, p. 233, Feb. 5, 
1904.) 
HILLS, R. C. 
The Wal.senburg Coal district. (Mines and Minerals, Feb., 1904, 
abstract by Arthur Lakes.) 
HUNTINGTON, ELLSWORTH (and J W. GOLDTHWAIT). 
The Hurricane fault in the Toqueville district, Utah. (Bull. Mus. 
Comp. Zool.. vol. 42, Geol. Ser., vol. 6, No. 5, pp. 193-257, 7 plates, 
February, 1304.) 
JULIEN, A. A. 
Genesis of the amphibole .schists and serpentines of Manhattan 
island, New York. (Bull. G. S. A., vol. 14, pp. 421-494, pis. 60-63. Dec, 
1903.) 
LANE, A. C. 
Porphyritic appearance of rocks.. (Bull. G. S. A., vol. 14, pp. 385- 
406. Sept., 1903.) 
LANE, A. C. 
Studies of the grain of igneous intrusives. (Bull. G. S. A., vol. 14, 
pp. 3fill-3S4. Sept., 1903.) 
LANE, A. C. 
Report on certain lands leased for oil and gas near Cannel city, 
Morgan county, Kentucky, pp. 12, Lansing, 1902. 
LANE. A. C. 
Recent work of the Geological survey. (Mich. Acad. Sci., 3rd re- 
port, p. 38, 1901.) 
LUCAS, FRED A. 
A skekion of Hespercrnis. (Smith Misc. Coll., vol. 45, p. 95, July- 
Sept.. 190;^.) 
LUCAS, FRED. A. 
A new Plesiosaur. (Smith Misc. Coll.. vol. 45, p. 96, July-Sept., 
1903.) - 
MATTHEWS. E. B. 
Structure of the Piedmont plateau as shown in Maryland. (Am. 
Jour. Sci., vol. 17, pp. 141-160, 1 plate, February, 1904.) 
MERRILL, GEO. P. 
On the glacial jiot hole in the National Museum. (Smith Misc. 
Coll.. vol. 45, p. TOO. July-Sept., 1903.) 
MILLER, W. G. 
Cobalt-Nickel arsenides and silver in Ontario. (Can. Min. Rev., 
Dec. 31. 190.^. 12 pp.) 
MILLER, W G. 
Notes on the history of the mineral industry in the nineteenth 
century. (Can. Min. Inst., Montreal meeting, 1903, 26 pages.) 
MORSCHER, L. i-*. 
• '(iirclinq: action of river water during high floocs. (Min. Resc, 
Kansas. 1902. pp. 82-87.) 
OSBORN, H F. 
Karl Alfred von Zittel. (Science, Jan. 29, 1904.) 
