480 INDEX. 



PAGE 



Pyrrhotite, notes on 307 



Quartz, formation of 435 



Quebec group, stratigraphy of 17 



Rain and snow fall of 1879 317 



Red sandstone of Prince Edward Island, fossils from 463 



Report of Committee on monument to Frederick Pursh 184 



Robins Dr., on natural selection and ink-gland of dibranchiate cephalopods. 414 



Rocks and minerals, notes on Canadian — 242 



Rocky Mountain locust 123 



Scapolite family, peculiar mineral of the 437 



Science, American Association for Advancement of 385 



Selwyn Mr. A. R. C, on Quebec group 17 



Sequoias, Prof. 0. Heer on 465 



Shepard Mr. C. U., on peculiar mineral of Scapolite family 437 



Silicification in California 435 



Silurian ores of Pictou, N. S. 332 



Sketches of Indians of Canada 129 



Snow fall of 1879 317 



Stratigraphy of Quebec group 17 



" Canadian 91 



St. Helen's Island, Helderberg rocks of 302 



Taconic system in geology 429 



Tidal erosion in Bay of Fundy 368 



Titaniferous iron ore 309 



Traces of an early race in Japan 62 



Trees of British Columbia, distribution of 321 



Washington Territory, elephant remains from 53 



Water supply of Montreal 118 



4:^ 



