132 



INDEX. 



Essex Co. (New York) limestone. 

 See Westchester Co. 



Estuarine deposits, their position in a 

 rock-system, 100-102, 114. 



Etheridge, Robt., on organic origin 

 of graphic granite, xi. 



, accepts " Eozoon" See Corri- 

 genda. 



Eulysyte (a peridotic rock) of Tuna- 

 berg (Sweden), 62. 



Euphotide, 2, 38, 42, 54, 97. 



Europe under Pliocene climatal con- 

 ditions, 115. 



Expailly (Auvergne), peridote of, 63. 



F. 



Fahlun (Sweden), primitive schists 



of, 32. 



Fallou, M., on serpentine, 37. 

 Fassaite, its relation to augite and 



serpentine, 37. 



Faults in relation to systems of rock- 

 jointing &c., 109-111. 

 Favre, Alphonse, his discovery of 

 " Eozoon" in the crystallines of the 

 Jungfrau, 31. 



Fayalite a peridotic mineral, 62. 

 Feldspars, 24, 26, 29, 31, 39, 49, 50, 

 52, 60, 62, 72, 75. 



interlamellated with calcite, 



13. 



with quartz. See Granite, 



graphic. 



striping or striation of, xxxiii, 



xxxix, xl, xli, xlii, 12, 126. 

 Feldsyte of Galway serpentinized, 41. 

 Fenestella retifarmis, a deep-water 

 organism of the Permian period, 

 103. 



Ferruginous serpentines, 5. 

 Figures de corrosion. See "JSozoon" 



"canal system." 



Findelen glacier moraine, peridote 

 and calcitic veins in blocks of, 62. 

 Flocculite (flocculent serpentine), its 

 figures de corrosion form the 

 "'canal system " of "JSozoon," xviii, 

 6, 10, 19, 20, 23, 50, 59, 84. 

 Fogo (Cape-Verd Isles), peridote of, 



61. 



Formations, Cambrian, deficient in 

 limestones, 83-88. 



, Permian, 99, 102. 



, r-, as divisions in a rock- 

 system, 100, 101, 102. 

 Forsterite a peridotic mineral, 61. 



Fossils of the dolomites of Tyrol, 32. 

 of the (?) Permian and (?) Car- 



boniferous rocks of N. India, N. 

 America, and Austrian Alps, 104. 



of the Permian and Carboni- 

 ferous rocks, 103. 



Franz- Joseph Land, its climate under 

 altered physical conditions, 116. 



Froisset, M., on metamorphic rocks 

 of Europe, 31. 



Fuegia, its relation to the earth's 

 volcanic girdle, 117. 



Fundamental rocks, origin of, 29. 



Funkite, 7. 



G. 



Gabbro of Portsoy, 38. 



Gages, Alphonse, on serpentine, 4, 6. 



Galway Co., rock-jointing of, 108. 



, glacial drift around, 93, 120. 



, igneous rocks near, serpenti- 

 nized and calcitized, 27, 41. 



, crystallized limestones of West 



(Connemara), 90. 



, Queen's College, specimens de- 

 posited in Geological Museum of, 

 18, 27, 94. 



Gangri range (Thibet), terraces of 

 the, 114. 



Garnet, pseudomorphosed, 24. 



Gastaldi, Prof. Bartolomeo, on meta- 

 morphics of Central Italy, 31, 32. 



Geikie, Prof. Archibald, on deposits 

 dredged by the < Challenger,' 75. 



u Geikie, Prof.," stated to be in favour 

 of the organic origin of the Harris 

 graphic granite, xL 



Gemaingoutte (Vosges), hemithrene 

 of, 51. 



Genoa. See Spezzia. 



Geography, physical, in relation to 

 geological phenomena, 99-117. 



< Geological Magazine,' 23, 28, 57. 



Geological Survey of Canada, 29, 73, 

 76. 



time, 100, 117. 



phenomena in relation to sys- 

 tems of rock-jointing, 107-117. 



Glassillaun. See Cleggan dyke. 



Glauconite, 6. 



Glenelg (Scotland), calcareous marble 

 of, 89. 



Glen Tilt (Scotland), 89. 



Glinkite a peridotic mineral, 61. 



Gneisses, 2, 31, 51, 52, 60, 72, 73, 81. 



Goniatitidae of Northern India and 

 the Austrian Alps, 104. 



