weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 211 
Petrology — Continued. 
Hocks described. 
Actinolite-schist, Palache, 1. 
Adamellite, Ransome, 3. 
uEgirine-syenite, O.sann, 1. 
Alkalisyenite, Wright (F. E.), 2. 
Alkali-syenite-porphyry, Palache, 2. 
Amphibolite, Emerson (B. K.), 1. 
Andesite, Emerson (B. K.), 1. 
Andesite, Finlay (G. I.), 1. 
Andesite, Smith (D. T.), 1. 
Andesite-granophyre, Fairbanks, 2. 
Analcite tinguaite, Finlay (G. I.), 1. 
Apachite, Osann, 1. 
Aplite, Emerson (B. K.), 1. 
Aplite, Smith and Calkins, 1. 
Aplite, Spencer (A. G), 2. 
Arkose, Emerson (B. K.), 1- 
Arkose, Van Hise, 1. 
Augite-andesite, Emerson (B. K.), 1. 
Augite-andesite, Smith and Calkins, 1. 
Augite camptonyte, Barber, 1. 
Augite-diorite-porphyrite, Palache, 2. 
Augite-orthophyr, Emerson ( B. K.), 1. 
Augite-porphyrite, Emerson (B. K.), 1. 
Augite-teschcnite, Fairbanks, 2. 
Basalt, Emerson (B. K.), 1. 
Basalt, Fairbanks, 2. 
Basalt, Finlay (G. I.), 1. 
Basalt, Lindgren, 2. 
Basalt, Phalen, 1. 
Basalt, Ransome, 3. 
Basalt, Smith (D. T.), 1. 
Basalt, Smith and Calkins, 1 . 
Biotite-diorite, Osmont, 1 . 
Biotite-granite, Ransome, 3. 
Biotite-muscovite-granite, Smith and Cal- 
kins, 1. 
Biotite schist, Warren, 1. 
Bostonite, Osann, 1. 
Calcite-prehnite cement rock, Emerson (B. 
K.),l. 
Camptonite, Dresser, 1. 
Camptonite, Finlay (G. I.), 1. 
Camptonyte, Barber, 1. 
Dacite, Finlay (G. I.), 1. 
Dacite, Ransome, 3. 
Dacite, Smith and Calkins, 1. 
Dacite-granophyre, Fairbanks, 2. 
Diabase, Emerson (B. K.), 1. 
Diabase, Fairbanks, 2. 
Diabase, Haehl and Arnold, 1. 
Diabase, Ransome, 3. 
Diabase, Smith and Calkins, 1. 
Diabase, Warren, 1. 
Diabase-porphyrite, Palache, 2. 
Diorite, Finlay (G. I.), 1. 
Diorite, Kay, 1. 
Diorite, Phalen. 1. 
Diorite, Smith and Calkins, 1. 
Diorite, Spencer (A. C), 2. 
Diorite, Warren, 1. 
Diorite, Weidman, 3. 
Diorite-aplite, Palache, 2. 
Diorite-gneiss, Spencer (A.C.), 2. 
IDiorite-porphyrite, Palache, 2. 
Diorite-porphyry, Barber, 1. 
Petrology — C< in t i nued . 
Rocks described — Continued. 
Diorite-porphyry, Palache, 1. 
Diorite-porphyry, Ransome, :;. 
Diorite-porphyry, Smith and Calkins, 1. 
Dolerite, Kay, 1. 
Dolomite, Hoffmann, 1. 
Dolomite, Knight (N.), 1. 
Dolomite, Knight (N.), 2. 
Dolomite, Van Hise, 1. 
Dolomitic marble, Emerson i B. K.), 1. 
Eclogites, Hoi way, 1. 
Elseolithsyenite, Osann, 1. 
Epidosite, Phalen, 2. 
Epidote-quartz-schist, Emerson (B. K.), 1. 
Essexite, Dresser, 1. 
Felsite, Hoffmann, 1. 
Gabbro, Lawson, 2. 
Gabbro, Smith and Calkins, 1. 
Gabbro, orbicular, Kessler and Hamilton, 1. 
Gabbro-diorite, Watson (T. L.), 4. 
Glaucophane-quartz-schist, Emerson (B. K.), 
1. 
Gneiss, Lindgren. 2. 
Gneiss, Phalen, 1. 
Gneiss, Van Hise, 1. 
Graniphyro-liparose-alaskose, Iddings, 2. 
Granite, Fairbanks, 2. 
Granite, Lindgren, 2. 
Granite, Phalen, 1. 
Granite, Ransome, 1, 3, 4. 
Granite, Warren, 1. 
Granite, Watson (T. L.), ft. 
Granite, Weidman, 3. 
Granite-porphyry, Ransome, 1, 4. 
Granite-porphyry, Smith and Calkins, 1. 
Granitite, Ransome, 3. 
Granodiorite, Smith and Calkins, 1. 
Granophyre, Smith and Calkins, 1. 
Greenstone, Howe, 1. 
Hessose, Dresser, 2. 
Hornblende, Gordon, 1. 
Hornblende, Phalen, 1. 
Hornblende-dacite, Palache, 2. 
Hornblende-dioryte, Barber, 1. 
Hornblende-gneiss, Emerson, 1. 
Hornblende-porphyry, Smith and Calkins, 1. 
Hornblende-pyroxene-andesite, Smith and 
Calkins, 1. 
Hornblende rock, Warren, 1, 
Hypersthene-akerite, Phalen, 2. 
Hypersthene basalt. Smith and Calkins, 1. 
.laspilite, Van Hise, 1. 
Kersantyte, Barber, 1. 
Latite, Palache, 2. 
Laurdalose, Dresser, 2. 
Leopardite, Watson (T. L.), 3. 
Lignite. Hoffmann, 1. 
Limburgite, Finlay (G. I.), 1. 
Limestone, Hoffmann, 1. 
Limestone, Van Hise, 1. 
Liparite, Osann, 1. 
Liparite perlite, Emerson (B. K.), 1. 
Malacolite, Emerson (B. K.), 1. 
Marble, Emerson (B. K.), 1. 
Marble, Van Hise, 1. 
Metadiabase, Ransome, 3. 
