LISTS ROCKS. 
317 
Quartz syenite schist, 2512. 
Quartzite, 1 L99, 1779, L'49.".. 
tthyolite, 104, 607, 1026, 1091, ir,L'<;, 2240, 
1T.1L'. 
Rhyolite porphyry, 104. 
Sand, 2071. 
Sandstone, 10, 539, 591, 1656, 2071, 2493, 
2494. 
Saxonite, 1401. 
Schist, 118, 102r,. 1026, 1779, 2071, 2240, 
2242. 
Serpentine, 488, 591, 741'. 1334, 1416, 2071, 
2240. 
Shale, 2071. 
Sitkose, 1815. 
Slate, 539, 2071. 
Smaragdite-epi-diorite, 1401. 
Spessarl ite, 193 1. 
Syenite, 10, 614, 616, 632, 1026, 1770, 1934, 
2490, 2493, 2494, 2512. 
Syenite-aplite, 2660. 
Syenite-porphyrite, 1 199. 
Syenite porphyry, 1199, 1935. 
Tinguaite, 742, 1409. 
Tonalose, 1815. 
Trachi-nordmarkose, 1935. 
Trachiphyro-miaskose, 1935. 
Trachy-andesite, 1091. 
Trachydolerite, 1026. 
Trachyte porphyry, 1372. 
Troctoiite, 2512. 
Tufa, 2071. 
Tuff, 164, 539, .",91, 1091, 2071. 
Umptekite, 1935. 
Umptekose, 1815, 1935. 
Qnakite, 2485, 2486, 2493, 2494. 
Uralite diabase. H99. 
Vogesite, 1026. 
Wohlerite, 1935. 
Yamaskite, 26G0. 
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