weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 101 
892 Williams (Henry Shaler). [Review of "Fossil Medusae," by 
Charles D. Walcott] 
Am. Jour. Sci., 4th ser., vol. vi, p. 509, 1898. 
893 [Review of "Report on the geology of southwest Nova Scotia, 
etc."] 
Am. Jour. Sci., 1th ser., vol. vi, p. 510 ($ p.), 1898. 
894 Willis (Bailey). Some coal fields of Puget Sound [Washington]. 
U. S. Geol. Surv., 18th Ann. Kept., Pt. Ill, pp. 399-436. pis. lii-lxviii, 
figs. 26-31, 1898. 
Describes the physiography, stratigraphic succession, and structure 
of the region, discusses the age of the beds, and gives an account of the 
occurrence of coal. 
895 Stratigraphy and structure of the Puget group, Washington. 
Abstract, Geol. Soc. Am., Bull., vol. ix, pp. 2-6, 1897. 
Describes the physiography of the region and the stratigraphy and 
structure of the Puget group. See Bibliography and Index for 1897, 
No. 699. 
896 Drift phenomena of Puget Sound [Washington], 
Geol. Soc. Am., Bull., vol. ix, pp. 111-162, pis. 6-10, 1898; Review by 
W. M. Davis, Science, new ser., vol. vii, pp. 704-705 (i p.), 1898. 
Describes the physiography and Glacial phenomena and deposits of 
the region. 
897 Drift phenomena of Puget Sound and their interpretation. 
Brit. Assoc. Adv. Sci., Rept. 1897, p. 653 (f p.), 1898. 
898 [Contribution to a " Symposium of the classification and 
nomenclature of geologic time divisions."] 
Jour, of Geol., vol. vi, pp. 345-347, 1898. 
899 [Review of "The principles of pre-Cambrian geology" by C. R. 
Van Hise.] 
Jour, of Geol., vol. vi, pp. 419-431, 1898. 
900 See Diller (J. S.), No. 234. 
901 Williston (S. W.). The Upper Cretaceous of Kansas. A histori- 
cal review. Addenda. 
Kan. Univ. Geol. Surv., vol. iv, pp. 28-32, pis. i-iv, 1898. 
Gives an account of the work of various parties that have collected 
fossils from the Cretaceous beds of Kansas. 
902 Birds, Dinosaurs, Crocodiles, Mosasaurs, and Turtles [Cre- 
taceous]. 
Kan. Univ. Geol. Surv., vol. iv, pp. 41-411, pis. v-lxxxiv, 1898. 
Gives a general description of the various genera and also includes 
descriptions of many species. 
903 The Pleistocene of Kansas. 
Kan. Acad. Sci., Trans., vol. xv, pp. 90-94, 1898. 
Gives a list and description of Pleistocene vertebrates in Kansas and 
describes the occurrence of the Equus beds. 
