212 
INDEX TO NORTH AMERICAN GEOLOGY, 
[bull. 27m 
Petrology — Continued . 
Rocks described— Continued. 
Metagabbro, Howe, 1. 
Metagabbro, Spencer (A. ('.), 2. 
Minette, Barber, 1. 
Monmoutbite, Adams (F. D.), 1. 
Monzonyte, Barber, 1. 
Muscovite-granite, Ransome, 3. 
Nepheline syenite, Adams (F. I).), 1. 
Nephelite syenite, Finlay(G. I.), 1. 
Nordmarkite, Dresser, 1. 
Nordmarkose, Dresser, 2. 
Norite, Spencer (A. C), 2. 
Oligoelase imbbro, Spencer (A. C), 2. 
Olivine-basalt, Emerson (B. K.), 1. 
Olivine-basalt, Phalen, 2. 
Olivine-diabase. Fairbanks, 2. 
Olivine-diabase, Palache, 2. 
Olivine-diabase-porphyrite, Palache, '-. 
Oilvine-hornblende-gabbro, Smith and Cal- 
kins, l. 
Paisanite, Osann, 1. 
Pegmatite, Smith and Calkins, 1. 
Pegmatite, Spencer (A. C), 2. 
Pelites, Van Bise, 1. 
Peridotite, Fairbanks, '_'. 
Peridotite, Smith and <'alkins, 1. 
Peridotite, Spencer i A. C), '-'. 
Peridotite var. picrite, Phalen, 1. 
Persalane, Finlaj (G. I.), 1. 
Phonolith, Osann, 1. 
Porphyry, Kay. 1. 
Psammites, Van Bise, l. 
Psephites, Van Bise, l. 
Pulaskite, Dresser, 1. 
Pyroxene, Gordon, l. 
Pyroxene-andesite, Fairbanks, 2. 
Pyroxene-andesite, Smith and Calkins, l. 
Pyroxene-tonalite, Emerson B. K.), 1. 
Pyroxenite, Fairbanks. 2. 
Pyroxenite, ( rordon, 2. 
Pyroxenite, smith and < ialkins, 1. 
Quartz-augite-mica-diorite, Smith and Cal- 
kins. 1. 
Quartz-biotite-diorite, Osmont, 1. 
Quartz-diorite, Spencer i A. C), 2. 
Quartz-feldspar-porphyry, hidings, 2. 
Quartz-mica-diorite, Ransome, 3. 
Quartz-mica-diorite, Smith and Calkins, l. 
Quartz-monzonite, Ransome, ::. 
Quartz porphyry, Watson (T. L.), 3. 
Quartz-pyroxene mica-diorite, Smith and Cal- 
kins, l. 
Quartz-zoisite schist, Emerson (B. K.i.l. 
Quartzite, Emerson I B. K.), 1. 
Quartzite, Van'Bise, 1. 
Ramosite, Luquer, •_'. 
Rhyolite, Fairbanks, 2. 
Rhyolite, Farrington, 2. 
Rhyolite, Smith | D. T.), 1. 
Rhyolite. Weidman, 3. 
Salemose, Finlay (G. I.), 1. 
Salemose-limburgose, Finlay (G. I.), 1. 
sandstone. Van Bise, 1. 
onite, smith and Calkins, 1. 
Schist, Van Bise, l. 
Serpentine, Kraus, 1. 
Petrology — Continued. 
Rocks described — Continued. 
Serpentine, Smith and Calkins, 1. 
Serpentine, Spencer (A. C), 2. 
Shale, Van Hise, 1. 
Slate, Eckel, (5. 
Slate, Van Bise, 1. 
Slate, Weidman, 3. 
Soda-rhyolite, Smith and Calkins, 1. 
Soda-syenite, Smith and Calkins, 1. 
Syenite, Kay, 1. 
Syenite, Osann, 1. 
Syenite, Phalen, 1. 
Syenite, Wright (F. E.), 2. 
Syenyte dike, Barber, 1. 
Syenyte-monzonyte, Barber, 1. 
Syenyte porphyry, Barber, 1. 
Theralite, Dresser, 1. 
Tinguaite, Finlay (G. I.), 1. 
Tinguaite, < >sann, i. 
Trachyte, Cross (W.), 2. 
Trachyte, Dresser, 1. 
Trachyte, Emerson (B. K.), 1. 
Unakite, Phalen, 2. 
Uralite-diabase, Palache, 2. 
Fralite -porphyry, Fmenon (B. K.), 1. 
Vogesite, Finlay (G. I), 1. 
Yo^esyte, Barber, 1. 
Volcanic ash, Klein, 1. 
Philippine Islands. 
Volcanoes and seismic centers of the 1'hili 
pine Archipelago, Maso, 1. 
Physiographic geology. 
Alaska. 
Alaska glaciers and glaciation, Gilbert, 1. 
Appalachian region. 
Appalachian River in eastern Tenness 
White (C. B.),l. 
Asheville folio, Keith, 2. 
Indiana folio, Richardson, 1. 
Kittanning folio. Butts, 2. 
Latrobe folio, Campbell, 4. 
Lineaments of the Atlantic border region, 
Bobbs, 1. 
Physiographic features of the Susquehanna 
basin, Bollister, 1. 
Physiographic studies in southern Pennsyl- 
vania, Stose, 2. 
Underground waters of New Jersey. Knapp, 1 
Atlantic coast region. 
Fall-linie der sudostlichen Vereinigten Staa 
ten, Abbe, 1. 
Lineaments of the Atlantic border region 
Hobbs,l. 
Submarine canyon of Hudson River, Spell 
cer i.I. W.i, 2. 
Underground waters of New Jersey, Knapp, 1. 
( 'anada. 
Cuspate forelands, Wilson (A. W. G.), 2. 
Economic resources of Moose River Basil 
Bell i.I. M.i. 1. 
Geological explorations in Athabaska, Dow 
ling, 1. 
Geological notes on the vicinity of Banf 
Ogilvie, 1. 
Geology of Brome Mountain, Dresser, 2. 
Geology of Nastapoka Islands, Low, 2. 
