Authors' Catalogue. 189 
Clarke, John M. (and Charles Schuchert). 
The nomenclature of the New York series of geological formations. 
(Am. Geol., vol. 25, pp. 114-119, Feb., 1900.) 
Claypole, E. W. 
The earthquake at San Jacinto, Dec. 25, 1899. (x\m. Geol., vol. 25, 
pp. 106-108, Feb., 1900.) 
Cooper, A. S. 
The genesis of petroleum and asphaltum in California. (Bull. 16, 
Cal. State Min. Bureau, San Francisco, Dec, 1899.) 
Darton, N. H. 
Jurassic formations of the Black Hills of South Dakota. (Bull. 
Geol. Soc. Am., vol. 10, pp. 383-396, pis. 42-44, Dec, 1899.) 
Dawson. George M. 
Summary report on the operations of the Geological Survey [Can- 
ada] for the year 1897. (Annual report, vol. 10, pp. 156, Ottawa, 
1898.) 
[Dawson, Sir William.] 
Biographical sketch by Frank D. Adams. (Jour. Geol., vol. 7, pp. 
727-736, Nov. -Dec, 1899.) 
Derby, Samuel C. 
Edward Orton. (The "Old Northwest" Genealogical Quarterly, 
Jan., 1900, vol. 3, with portrait and bibliography; pp. 1-14, Columbus, 
Ohio.) 
Fleming, Mary A. 
The Pot-holes of Foster's flats [now called Niagara glen] on the 
Niagara river. (A. A. A. S., vol. 48. p. 226, 1899.) Abstract. 
Fletcher, Hugh. 
Descriptive note on the Sydney coal field. Cape Breton, Nova 
Scotia. (Geol. Sur. Can., pp. 15, 3 maps, looo.) 
Gilpin, Edwin, Jr. 
New mineral discoveries in Nova Scotia. (Trans. Nova Scotia 
Institute Nat. Sci., vol. 10, pp. 79-90, 1899.) 
Greene, Geo. K. 
Contribution to Indiana paleontology. (Part iv, pp. 26-33, 3 pls., 
Jan. 29, 1900, New Albany, Ind.) 
Hatcher, J. B. 
Sedimentary rocks of Southern Patagonia. (Am. Jour. Sci., vol. 
9, Feb., 1900, pp. 85-108.) 
Hatcher, J. B. 
Some geographic features of southern Patagonia, with a discus- 
sion of their origin. (Nat. Geog. Mag., vol. il, Feb., 1900, pp. 41-55.) 
Hershey, Oscar H. 
Gold-bearing lodes of the Sierra Costa mountains in California. 
(Am. Geol., vol. 25, pp. 76-96, Feb., 1900.) 
Hershey, O. H. 
Granites of the Sierra Costa mountains in California. (Science, 
New Sen, vol. 11, Jan. 26, 1900.) 
