146 
DJir.LTOGRAPHY AND INDEX OF N. A. GEOLOGY, 
[bull. 149. 
Petrology — Continued. 
Missouri — Continued. 
Missouri building stones, Keyes, No. 402. 
Socorro tripoli, Herrick, No. 307. 
Montana. 
Bearpaw Mountains, Weed and Pirsson, Nos. 
724, 725. 
Castle Mountain mining district, Weed and 
Pirsson, No. 723. 
Extrusive and intrusive igneous rocks, hi- 
dings, No. 353. 
Geology of the Little Pocky Mountains, Weed 
and Tirsson, No. 727. 
Monchiquites, Pirsson, No. 547. 
New leucite rock from the Highwood Moun- 
tains, Weed and Pirsson, No. 726. 
Nebraska. 
Volcanic ash in Nebraska, Barbour, No. 33. 
Volcanic ash in Nebraska, Salisbury, No. 595. 
New Jersey. 
Geology of Jenny Jump Mountain, Westgate, 
No. 737. 
New Mexico. 
Cerillos coal field, Stevenson, Nos. 651,652. 
Neiv York. 
Augen gneiss, pegmatite, and diorite al Bed- 
ford, N. T., Luquer and Pies, No. 456. 
Dikes of alnoite, Smyth, No. 635. 
Dynamic metamorphism of anorthosites, 
Kemp, No. 371 . 
Genesis of talc deposits of New York, Smyth, 
No. 637. 
Metamorphism of gabbro, Smyth, No. 634. 
Monoclinic pyroxenes of New York, Pies, 
No. 579. 
Pre-Cambrian and post-Ordovician trap dikes 
in the Adirondacks. dishing, No. 155. 
Ohio. 
Pre-Tertiary nepheline -bearing rock, Bas- 
com, No. 41. 
Pennsylvania. 
Perido-steatite and diabase, Bascom, No. 42. 
Serpentines of eastern Pennsylvania, Pand, 
No. 564. 
Volcanic rocks of South Mountain, Pennsyl- 
vania, Bascom, No. 40. 
South Dakota. 
Igneous intrusions in the Black Hills, Pus- 
sell, No. 587. 
Tellurium in gold ores, Smith, No. 626. 
Wyoming. 
Age of igneous rocks of Yellowstone Park, 
Hague, No. 272. 
Extrusive and intrusive igneous rocks, Id- 
dings, No. 353. 
Igneous intrusions in the Black Hills, Pus- 
sell, No. 587. 
Igneous rocks, Yellowstone Park, Iddlngs, 
No. 352. 
Classification. 
Crystalline rocks of Missouri, Haworth, No. 
293. 
Syenite gneiss from the apatite region, Gor- 
don, No. 250. 
Petrology — Continued. 
General. 
A needed term in petrography, Pirsson, No. 
548. 
Fisher meteorite, Winchell, No. 763. 
Highwood Mountains of Montana, Jobnston- 
Lavis, No. 364. 
Lecture notes on rocks, Kemp, No. 372. 
Magmatic alteration of hornblende and biotite, 
Washington, No. 716. 
Monazite district of North and South Caro- 
lina, Mezger, No. 505. 
Monazite districts of North and South Caro- 
lina, Paymond, No. 568. 
Hocks described. 
Actinolite-diorite, Turner, No. 675. 
Actinolite-schist, Turner, No. 675. 
Agglomerate, Cross, No. 149. 
Alnoite rock, Ferrier, No. 221. 
Alnoite rock, Smyth, No. 635. 
Amphibole-malignite, Lawson, No. 437. 
Amphibolite, Brooks, No. 83. 
Amphiholite, Clements, No. 130. 
Amphibolite, Ferrier, No. 221. 
Amphibolite, Kemp, No. 372. 
Amphiholite, Westgate, No. 737. 
Amphibolite schist, Turner, No. 675. 
Analcito, Pirsson, No. 547. 
Andesite, Cross, Nos. 149, 150. 
Andesite, Kemp, No. 372. 
Andesite, Ordonez, No. 524. 
Andesite, Turner, No. 675. 
Anorthosite, Adams, Nos. 2, 3. 
Anorthoslte, Kemp, No. 371. 
Anthophyllite, Merrill, No. 498. 
Apatite, Ferrier, No. 222. 
A plite, Lindgren, No. 348a. 
Aplitic granite, Weed and Pirsson, No. 723. 
Apo-andesite, Turner, No. 675. 
Aporhyolite, Bascom, No. 40. 
Argillaceous sandstone, Kemp, No. 372. 
Augen-gneiss, Brooks, No. 83. 
Augen-gneiss, Luquer and Pies, No. 456. 
Augen-gneiss, Mezger, No. 505. 
Augen-gneiss, Raymond, No. 568. 
Augite-andesite, Washington, No. 716. 
Augite-mica-gneiss, Emmons, Cross, and 
Fldridge, No. 202. 
Augite-pierite-porphyTite, Ferrier, No. 221. 
Augite-porphyrite, Bascom, No. 40. 
Augite-porphyrite, Ferrier, No. 221. 
Augite-syenite, Ferrier, No. 221. 
Augite-syenite, Weed and Pirsson, No. 724. 
Augite-teschenite, Fairbanks, No. 206. 
Augite-vogesite, Weed and Pirsson, No. 723. 
Basalt, Emmons, Cross, and Eldridge, No. 202. 
Basalt, Fairbanks, No. 206. 
Basalt, Ferrier, No. 221. 
Basalt, Kemp, No. 372. 
Basalt, Turner, No. 675. 
Basalt, Weed and Pirsson, No. 723. 
Basalt, var. limburgite, Cross, No. 149. 
Biotite-gneiss, Brooks, No. 83. 
Biotite-gneiss, Clements, No. 130. 
Biotite-granite, Clements, No. 130. 
Breccia, Bascom, No. 40. 
