INDEX TO VOLUME 11 



651 



Page 

 Williams, J. F., cited on analyses of biotite- 



ijolite 399 



fourchite 400 



foyaite 399 



— . jaeupirangite 399 



leucite-porphyry 399 



leucite-tinguaite 406 



nepheline-porphyry 40<J 



ouachitite 400 



pulaskite 412 



tinguaite-porphyry 40(5 



differentiation of magmas 390, 415 



dike rocks of Magnet Cove 405 



igneous rocks of Arkansas 390 



" nepheline-felsite " 406 



shales of Magnet Cove 393 



syenites of Magnet Cove.... 395, 396, 397 



— igneous rocks of Magnet Cove.. 391, 392 



— , Rock analyses by 399 



Willis, Bailky, Fossil plants collected by.. 224 

 — , quoted on Appalachia in the Lower Hel- 



derberg epoch 250 



— , Record of remarks by 594, 595 



— ; Some coast migrations, Santa Lucia 



range, California 417 



— , Titles of papers by 580, 616 



Willmott, Arthur Brown, elected Fellow... 520 

 Winchell, N. H , elected Second Vice- 

 President 520 



— , cited on conglomerate near Rainy lake.. 110 



■ — Keweenawan gabbro 505 



geology of Harney Peak region 581 



Woodward, A. S., cited on correlation of 



American and European Jurassic 388 



Woodworth, J. B., Discussion by, on land- 

 slides 583 



Page 



Woodworth, J. B. ; Glacial origin of older 

 Pleistocene in Gay Head cliffs, with 

 note on fossil horse of that section 4;V> 



— , Titles of papers by 588, 60,5 



— ; Vertebrate footprints on Carboniferous 



shales of Plainville, Massachusetts 449 



Worthen, A. H., quoted on the Oriskany in 

 Illinois 317 



— and F. B. Meek quoted on Clear Creek 



limestone 318 



Wright, G. F., Record of remarks by 2 



— , Title of paper by « 2 



Wyoming, Correlation of Jurassic sections 



in 382 



— , Distribution of Jurassic rocks in 380 



— , Early investigations of Jurassic rocks of. 378 



— , Freezeout Hills section in 381 



— , Jurassic rocks of southeastern 377 



— , Laramie mountains of. 378, 379 



plains of. 378 



— , Mountain ranges, folds, and faults in 379 



— , Red Mountain section in 382 



— , Sioux fault section in 381 



Young, Ewing, Fossil sloth discovered by... 613 



Zeiller, R , cited on the Westphalian 



series 167 



Zeolites at Golden, Colorado, Place and 



mode of occurrence of. 462 



— , Order of deposition of. .' 473 



Zinc ore, Analysis of 186 



, Secondary origin of. 205 



minerals in 192, 193 



Zirkel, F., cited on differentiation of 

 magmas 409 



