Bon 



GEOLOGICAL MAGAZINE. 



Alps, 80, 538; Boulders of Horn- 

 blende-Pikrite, Pen-y-Carnisiog, 

 Anglesey, 81, 93 ; Tuscan Ser- 

 pentines, 81,94 ; Twt Hill Con- 

 glomerate, 82, 18 ; Colouring of 

 Geological Maps, 82, 48 ; Twt 

 Hill Series, 82, 188 ; Nodular 

 Felsites, 82, 282 ; Hypersthenite 

 of Carrock Fell, 82, 336 ; Horn- 

 blende and Serpentine from the 

 Lizard, 82, 571 ; Lithological 

 Characters of Scotch Rocks, 

 83, 138 ; Pebbles in the Bunter 

 Beds, Staffs. 83, 199; Boulders 

 of Picrite, Anglesey, 83, 283; 

 Lithology of Gneissic Rocks, 

 Scotland, 83, 326 ; Section ex- 

 posed in Baron Hill Park, Beau- 

 maris, 83, 329 ; Rocks near 

 Bangor, 83, 330 ; Breccias and 

 Crushed Rocks, 83,435 ! Schists 

 of the Lizard, 83, 477 ; Meta- 

 morphism in an Alpine Rock, 

 83, 507 ; Nagelflue of the Rigi, 

 83, 511 ; Geology of S. Devon, 

 83, 552 ; Pikrite, 84, 96 ; Ser- 

 pentine, 84, 406 ; Archaean Rocks 

 of Great Britain, 84, 521 ; En- 

 statitic Lavas of Eycott Hill, 85, 

 76, 334 ; Diorite of Little Knott, 

 85, 328 ; Cornish Serpentines, 



85, 431 ; Bastite - Serpentine, 

 Aberdeenshire, &c. 85,439; Tra- 

 verses in Central Alps, 85, 494 ; 

 Microscopic Structure of Rocks 

 of Assouan, 86, 103 ; Palaeonto- 

 graphical Society, 86, 237; Folia- 

 tion of Lizard Gabbro, 86, 575 ; 

 Rock Specimens, Pembrokeshire, 



86, 331 ; Rauenthal Serpentine, 



87, 65 ; Rocks of Brittany, 87, 

 236 ; Felspar in the Lizard Ser- 

 pentines, 87, 239 ; Lizard Ser- 

 pentines, 87, 380 ; Traverses of 

 Western and Eastern Alps, 87, 

 470 ; Stratified Palseozoic Rocks, 

 Brittany, 87, 570 ; Obermitt- 

 weida Conglomerate, 87, 570 ; 

 Huronian Series, Sudbury, Can- 

 ada, 87, 571 ; Origin of Banded 

 Gneisses, 87, 573 ; Dimetian of 

 St. Davids, 88, 46 ; Rounding 

 of Alpine Pebbles, 88, 54, 285 ; 

 Structure of Ighthani Stone, 88, 

 297 ; Sculpture of Alpine Passes, 



88, 540 ; Crystalline Rocks of 



Alps, 89, 40 ; Lizard Serpentine, 

 89, 44 ; Picrite in Sark, 89, 109 ; 

 91, 332 ; Dyke in Lizard Ser- 

 pentine, 89, 189 ; Pebbles in 

 Cambrian, St. David's, 89, 315 ; 

 Effects of Pressure on Crystalline 

 Limestone, 89, 483 ; Physio- 

 graphy of Lower Trias, 90, 52, 

 235 ; Crystalline Schists in Le- 

 pontine Alps, 90, 136, 187 ; 92, 

 90 ; Effects of Pressure on Ser- 

 pentine, Pennine Alps, 90, 533 ; 

 Petrology of the Lizard, 90, 573 ; 

 Contact-structure in Syenite, 91, 

 86 ; Reply to Mr. Somervail, 91, 

 89 ; Granite, Cutting Cretaceous 

 Rocks, 92, 43 ; Gneiss at Gut- 

 tannen, Switzerland, 92, 275 ; 

 Rocks of S. Devon, 92, 479 ; 

 Nufenen-stock (Lepontine Alps), 

 93, 46 ; Greenstones and Horn- 

 blendic Schists, Pennine Alps, 



93, 46 ; Biotite and Hornblende, 

 Binnenthal, 93, 47 ; Rocks of 

 S. Devon, 93, 48 ; Quartz Schists 

 from Alps, 93, 204 ; Story 

 of our Planet, 94, 87 ; Gneiss, 



94, 1 14 ; Conversion of Green- 

 stones into Schists, 94, 179 ; 

 Mesozoic Rocks and Schists (Le- 

 pontine Alps), 94, 233 ; The 

 Lepontine Alps, 94, 235 ; Origin 

 of the Younger Red Rocks, 94, 

 475 ; Note on the Narborough 

 District, 95, 44 ; Pebbles in 

 Trias, Budleigh Salterton and 

 Cannock Chase, 95, 75 ; Eozoon 

 Canade7ise at Cote St. Pierre, 



95, 292 ; Serpentine, Gneissoid, 

 and Hornblendic Rocks of Lizard, 



95, 573 ; Erratic Boulders, Kol- 

 guev Island, 96, 40 ; Pyroxene, 

 and Serpentine, and Eosoon 

 Canadense, 96, 47 ; Ice-work, 



96, 287 ; Note on Spherulite, 



96, 365 ; Mr, Bell and the Pa- 

 rallel Roads of Glen Roy, 96, 

 383 ; Pebbly Quartz-schist from 

 the Val d'Anniviers, Pennine 

 Alps, 96, 400 ; Section near 

 Summit of Furka Pass, 96, 

 563 ; ' Ovenstone ' from Zinal, 

 Canton-Valais, 97, no ; Foreign 

 Boulders in Chalk, 97, 238 ; 

 Rock-specimens from Kimberley, 



97, 448, 497 ; Lake-basins in 



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