66 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, [bull. 271. 
HoUick (Arthur) — Continued. 
6. Fossil plants from Kansas. 
N. Y. Bot. Garden, Jour., vol. 4, pp. 66-68, 4 figs., 1903. 
Gives a brief account of a collection of Cretaceous fossil leaves from Kansas. 
7. A canoe trip down the Yukon River from Dawson to Anvik [Alaska]. 
Abstract: Science, new ser., vol. 19, p. 859, 1904; Am. Geol., vol. 33, p. 399, | 
1904. 
Gives observations upon the geology of the region traversed. 
Hollister (G. B.), 
1. Physiographic features of the Susquehanna basin. 
U. S. Geol. Surv., Water-Supply andlrrig. Paper no. 108, pp. 9-18, 1 pi., 1904. 
Describes physiographic features of the Susquehanna basin. 
Holway (Ruliff S.). 
1. Eclogites in California. 
Jour. Geol., vol. 12, pp. 344-358, 5 figs., 1904. 
Reviews previous work upon eclogites (garnetiferous augite or hornblende 1 
and describes the occurrence and petrographic characters of eclogites fron 
localities in California and Oregon. 
Hopkins (T. C). 
1. Mineral resources of Onondaga County, New York. 
N. Y. State Mus., 56th Ann. Rept., pp. rl09-rll4, 1904. 
Describes the occurrence and production of building stones, clays, and othe 
economic r< 'sources. 
2. The geological map of Indiana. 
Ind., Dept. Geol. & Nat. Res., 28th Ann. Rept., pp. 11-14, 1904. 
Describes the preparation of the geologic map of the State of Indiana (scale: 
miles to the inch) accompanying the Twenty-eighth Annual Report of th 
Department of Geology and Natural Resources of Indiana. 
3. A short description of the topography of Indiana, and of the rock 
of the different geological periods; to accompany the geological 
map of the State. 
Ind., Dept. Geol. & Nat. Res., 28th Ann. Rept,, pp. 15-77, 1904. 
The part on the Ordovician and the Silurian (pp. 21-39) was written by A. I 
Foerstc. 
4. Contents of the published volumes of reports of the Indiana Geolog 
ical Survey, the Department of Geology and Natural Histor} 
and the Department of Geology and Natural Resources. 
Ind., Dept. Geol. & Nat. Res., 28th Ann. Rept., pp. 487-495, 1904. 
5. General index to all the publications of the Indiana Geological Sui j 
vey, the Department of Geology and Natural History, and tl 
Department of Geology and Natural Resources. 
Ind., Dept. Geol.& Nat. Res., 28th Ann. Rept, pp. 497-553, 1904. 
Hosea (R. M.). 
1. Tercio and Cuatro mines. A description of the coal washing an 
coking plants of the Colorado Fuel & Iron Co. at Tercio an : 
Cuatro [Colorado]. 
Mines & Minerals, vol. 25, pp. 218-223, 6 figs., 1904. 
Includes observations on the general geology of the region. 
