Ant J tors' Catalogue. 253 
Beecher, C. E. 
Conrad's types of Syrian fossils. (Am. Jour. Sci., vol. 9. Mar. 
1900, pp. 176-179.) 
Clark, W. B. 
Maryland Geological Survey, vol. 3, numerous maps and plates, pp. 
461 and 89. Baltimore, 1899.) 
Chamberlin, T. C 
An attempt to test the nebular hypothesis by the relations of masses 
and momenta. (Jour. Geol., vol. 8, pp. 58-73. Jan. -Feb. 1900.) 
Daly, R. A. 
Sur les caracteres optiques de la zone verticale dans les amphiboles 
et les pyroxenes et sur une nouvelle methode de determination de 
Tangle d'extinction dans le plan de symetrie de ces minei;aux au 
rnoyen des clivages. (Bull. Soc. Franc. Min., tome 22, pp. 161-174, 
Dec. 1899.) 
Davis, W. M. 
The Freshwater Tertiary formations of the Rocky mountain region. 
(Proc. Am. Acad. Arts and Sci., vol. y-,, pp. 345-373, March, igoo.) 
Dawson, George M. 
Remarkable landslip in Portneuf county. Quebec. (Bull. Geol. 
Soc. Am., vol. 10, pp. 484-490, 1898 [1900].) 
Dean, Bashford. 
The so-called Devonian lamprey, Palajospondylus gunni: with notes 
on the systematic arrangement of fish-like vertebrates. (Mem. N. Y. 
Acad. Sci., vol. 2, part I, pp. i to },2, Jan. 20, igoo.) 
Eastman, C. R- 
Dentition of some Devonian fishes. (Jour. Geol., vol. 8, pp. 32-41, 
Jan. -Feb. 1900.) 
Emerson, B. K. 
Difference in batholithic granites according to depth of erosion. 
(Bull. Geol. Soc. Am., vol. 10, pp. 499-500, abstract, 1898 [1900].) 
Fairchild, H. L. 
Proceedings of the eleventh annual meeting, held at New York 
city, Dec. 28, 29 and 30, 1898. (Bull. Geol. Soc. Am., vol. 10, pp. 
409-534, pis. 49-54. Jan. 1900, Rochester, N. Y.) 
Ganong, W. F. 
Notes on the natural history and physiography of New Bruns- 
wick. (Bull. Nat. Hist. Sol. N. B., vol. 4, pp. 227-257, 1899.) 
Gorman, Martin W. 
Ice-clif¥s ori White 'river, Yukon territory. (Nat. Geog. ]\Iag., 
vol. II, pp. 113-117, March, 1900.) 
Greene, Geo. K. 
Contribution to Indiana Paleontology. Part V, pp. 34-41, 5 plates. 
Feb. 27, 1900. New Albany, Ind. 
Gulliver, F. P. 
Thames river terraces. (Bull. Geol. Soc. Am., vol. 10, pp. 492- 
495, 1898 [1900J.) 
Hershey, O. H. 
Ancient alpine glaciers of the Sierra, Costa mountains in California. 
(Jour. Geol. vol. 8, pp. 42-57, Jan-Feb. 1900.) 
