BIBLIOGRAPHY. 
A. 
1 Abbe (Cleveland, jr.). An episode during the terrace cutting of the 
Potomac [Maryland]. 
Johns Hopkins Univ., Circ, vol. xviii, pp. 16-17, 1898. 
Describes occurrence of gravel and clay within a cave, and their 
relation to the terraces of the Potomac River. 
2 Adams (Frank D.). On the structure and origin of certain rocks of 
the Lauren tian system. 
Brit. Assoc. Adv. Sci., Kept. 1897, pp. 665-666, 1898. 
Describes the origin and structure of certain igneous and altered 
sedimentary rocks. 
3 Nodular granite from Pine Lake [Ontario]. 
Geol. Soc. Am., Bull., vol. ix, pp. 163-172, pi. 11, figs. 1-2, 1898; 
Abstract, Science, new ser., vol. vii, p. 82 (ip.); Review, Am. Nat., vol. 
xxxii, pp. 614-615, 1898. 
Describes the microscopic and chemical characters of the granite 
and nodules and discusses the origin of the nodular structure. 
4 Notes on the geology of Montreal and vicinity. 
Abstract, Science, new ser., vol. vii, pp. 51-52 (-£ p.), 1898. 
5 The deformation of rocks under pressure. 
Abstract, Eng. and Mg. Jour., vol. lxv, p. 522, 1898. 
6 and Nicholson (John T.). Preliminary notice of some experi- 
ments on the flow of rocks. 
Brit. Assoc. Adv. Sci., Rept. 1897, pp. 642-643, 1898; Science, new ser., 
vol. vii, pp. 82-83, 1898. 
Describes the methods employed and the results. 
7 Adams (George I.). The Upper Cretaceous of Kansas. A historical 
review. 
Kan. Univ. Geol. Surv., vol. iv, pp. 13-27, 1898. 
Gives a summary of the views of various writers on the Cretaceous 
of Kansas and a general section. 
8 A geological map of Logan and Gove counties [Kansas], 
Kan. Univ. Quart., vol. vii, pp. 19-20, 1898. 
Shows the distribution of the Cretaceous and Tertiary rocks and 
gives a brief account of their occurrence. 
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