weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1896. 43 
264 G-ulliver (F. P.). Guspate forelands. 
Geol. Soc. Am., Bull., vol. vii, pp. 399-422, pi. 18, tigs, 1-15, 1896. 
Describes the formation and method of growth of current, tidal, and 
delta cusps at typical localities on the Atlantic and Pacific coasts of the 
United States. 
265 G-urley (R. R.)- North American graptolites, new species and 
vertical range. 
Jour, of Geol., vol. iv, pp. 63-102 and 291-311, pis. iv-v, 1896. 
Mentions described species reported from American strata, giving their 
generic reference and geologic range. The paper also includes descrip- 
tions of new species, a list of American graptolites, and tables showing 
their vertical and geographic range. 
266 Gurley (William F. E.), Miller (S. A.) and. Descriptions of new 
and remarkable fossils from the Paleozoic rocks of the Mis- 
sissippi Valley. 
See Miller (S. A.) and Gurley (W. F. E.), No. 508. 
267 New species of crinoids from Illinois and other States. 
See Miller (S. A.) and Gurley (W. F. E.), No. 509. 
268 New species of Echinodermata and a new crnstacean from 
the Paleozoic rocks. 
See Miller (S. A.) and Gurley (W. F. E.), No. 510. 
269 New species of Paleozoic invertebrates from Illinois and other 
States. 
See Miller (S. A.) and Gurley (W. F. E.), No. 511. 
270 G-willim (J. 0.). Gold and silver ores of the Slocan, B. C. 
Can. Rec. Sci., vol. vi, pp. 494-498, 1896. 
Describes gold and silver ore deposits in British Columbia. 
H. 
271 Hague (Arnold). Yellowstone National Park folio, Wyoming'. 
General description. 
U. S. Geol. Surv., Geol. Atlas of U. S., folio No. 30, figs. 1-11. 1896. 
Describe the physiography and general geologic features and history 
of the region. Includes topographic and gelogic maps. 
272 The age of the igneous rocks of the Yellowstone National 
Park. 
Am., Tour. Sci., 4th ser., vol. i, pp. 445-457, 1896. 
Reviews the geologic history of the Park, mentions the fossil plant 
and invertebrate remains found in the Tertiary strata, and discusses the 
bearing of the data on the age of the igneous rocks and the character 
of the post-Laramie movement. 
273 Hall (John (J.). A geologic section from State Line, opposite Boi- 
court, to Alma, principally along the Osage River [Kansas]. 
Univ. Geol. Surv. of Kans., vol. i, pp. 99-106, pi. v, 1896. 
Describes the limestones and shales which comprise the Carboniferous 
formation in the region. 
