480 



INDEX. 



Fenton, C. L., Devonian of Iowa, 



355- 

 Ferguson, J. B., ternary system, 



CaO-MgO-Si0 2 , 81; wollastonite 



and the ternary system, 165. 

 Fertilization, Lillie, 162. 

 Field, R. M., Middle Ordovician of 



Pennsylvania, 403. 

 Flint, G. E., Whole Truth About 



Alcohol, 247. 

 Florida, Comanchean formation, 



Sellards, 13. 

 Fluorescent screens for radioscopic 



purposes, Roubertie and Nemi- 



rovsky, 392. 



GEOLOGICAL REPORTS. 



Illinois, 78. 



Iowa, 77. 



North Carolina, 78. 



United States, 75, 161, 476. 



Virginia, 77. 



West Australia, 474. 



Wisconsin, 78. 

 Geology, Review of, 247. 

 GEOLOGY. 



Algal deposits, Pre-Cambrian and 

 Carboniferous, Twenhofel, 339. 



Brachiopod shales, Norway, 

 Troedsson, 78. 



Brachiopoda of Antarctic Expe- 

 dition, Thomson, 397. 



Champlain submergence on 

 Maine coast, Meserve, 207. 



Comanchean formation, Florida, 

 Sellards, 13. 



Coral-reef zone, Daly, 136. 



Devonian of Iowa, Hackberry 

 stage, Fenton, 355. 



Fish-remains, Cretaceous and 

 Tertiary, New Zealand, 475. 



Hackberry stage of the Devonian 

 of Iowa, Fenton, 355. 



Heterolasma foersti from Michi- 

 gan, Ehlers, 461. 



Ordovician, Middle, of Pennsyl- 

 vania, Field, 403. 



Organic remains in iron-bearing 

 Huronian rocks in Minnesota, 

 Grout and Broderick, 199. 



Paleontology, present tendencies, 

 Berry, 1. 



Pebbles, unusual method of 

 rounding, in West Australia, 

 Jutson, 429. 



Pelecypoda, Harris, 398. 



Perisphinctinae, orthogenetic de- 

 velopment of the costse, O'Con- 

 nell, 450. 



Pre-Cambrian, Adirondack, Ai- 

 ling, 47. 



— and Carboniferous algal de- 

 posits, Twenhofel, 339. 



Sheet-flows, Niagara district, 

 West Australia, Jutson, 435. 



Tertiary formations, Porto Rico, 

 Maury, 209. 



— Mammalian faunas of the 

 Mohave Desert, Merriam, 399. 



Tetracoralla from the Niagaran 

 of Michigan, Ehlers, 461. 

 Gravitation, possible limit to, Very, 



33. 

 Grout, F. F., organic remains in 



iron-bearing Huronian rocks in 



Minnesota, 199. 

 Gruenberg, B. C, Biology, 477. 



H 



Hanna, G. D., Geological Notes on 

 Pribilof Islands, 216. 



Harris, G. D., Pelecypoda, 398. 



Hatschek, E., Colloids, 160. 



Hess, F. L., tactite, product of con- 

 tact metamorphism, 377. 



Hogshooter gas sand, Berger, 189. 



Holm, T., Studies in the Cypera- 

 cese, No. XXVII, 17. 



Hough, G. J., cocinerite, 206. 



Huntington, E., World Power and 

 Evolution, 396. 



Ichikawa, S., Japanese minerals, 



I24._ 



Illinois geol. survey, 78. 



Iowa, Devonian of, Hackberry stage, 



Fenton, 355.- 

 — geol. survey, 77. 

 Isostasy, nature and bearings, 281; 



status of theory, Barrell, 291. 



Japanese minerals, Ichikawa, 124. 



Johnson, D. W., Shore Processes, 

 395- 



Jones, I. H., Equilibrium and Ver- 

 tigo, 79. 



Jutson, J. T., rounding of pebbles 

 in sub-arid West. Australia, 429; 

 sheet-flows in the Niagara dis- 

 trict in West. Australia, 435. 



K 



Kansas, granite bowlders, Twen- 

 hofel, 132. 



Lambert projection, 164. 

 Lamellibranchs, living, of New 

 England, Morse, 477. 



