Arg- 



GEOLOGICAL MAGAZINE. 



Argentite in Cornwall, 66, 432 

 ArgillotJierium toliapicuni^ Davies, 



gen. et. sp. nov. 84, 438 

 Argiope Clcvei, Davidson, sp. nov. 



73, 158 

 Rovasendina, Davidson, nov. 



sp. 70, 407 

 Argonaut Tertiary in Japan, 01, 



323 

 Arg'yll, Duke of. Post- Tertiary 



Peat-bed, 67, 169; Trap and 

 Granite in Mull, 67, 553; Geo- 

 logy of Argyllshire, 68, 195, 241 ; 

 Lake-basins in Argyllshire, 73, 

 374 ; Address to Geological So- 

 ciety, 76, 186; Address to Geo- 

 logical Society of Edinburgh, 

 S3, 554 

 Argyllshire, Crush - Conglomerates 

 of, 01, 330 



Lignite or Peat-bed in, 67, 



169 



Six Lake-basins in, 73, 374 



Ariege, Lherzolite of, 77, 59 

 Arietidae, Genesis of, 90, 325 

 Ariolo-schists Controversy, 90, 252 

 Aristosuchus pusillus^ Owen, 87, 



234 



Ariiis ? Bartonensts, A. S. Woodw. 

 sp. nov. 87, 306 



Armadillo, 65, 400 



Armagh Limestone, Fish-remains 

 from, 82, 127 



Permian Beds of, 73, 320 



Armoured Palaeozoic Sharks, 91, 

 422 



Armstrong*, James. Dithyro- 

 caris, 65, 219 ; Scottish Fossils, 

 76, 507 



Obituary of [1832-92], 93, 94 



Arnold, Ralph. Tertiaries of 

 San Pedro, California, 03, 523 



Arnold-Semrose, Henry H. 

 The Derbyshire Toadstone, 93, 

 559 ; Derbyshire Carboniferous 

 Tuffs, 94, 333 ; Mammalian Re- 

 mains in Old River-gravels of 

 Derwent,96, 282 ; Ouartz-rock in 

 Carboniferous Limestone, Derby- 

 shire, 98, 179 ; Geology of Rail- 

 way, Ashbourne to Crake Low, 

 99, 91 ; Sill and Faulted Inlier 

 in Tideswell Dale, 99, 230 ; Geo- 

 logy of Ashbourne and Buxton 

 Branch of L. & N. W. Railway, 

 03, 331 



Aroides Stutterdi, Carr. sp. nov. 



67, 147 

 Arran, Ancient Volcanoes in, 01, 



270 



Claystones of, 69, 36 



Coast Section, 71, 236 



Drift-beds, 65, 126 



Former Extension of Rhaetic 



Strata over, 01, 269 



Geology of, 72, 552 



Geology, Recent Discoveries 



in, 01, 565 



Granites, Age of, 67, 552 



North, Geology of, 03, 320 



Old Red and Carboniferous 



Rocks in, 96, 155, 222 

 Pitchstones of, 72, i, 536 ; 



81, 438 

 — ■ — Pitchstones and Felsites in, 



77, 499 

 ArsiiiditheriujH Andrewsi^ Lankes- 



ter, sp. nov. 03, 531 



from Fayum, 03, 529 



Zitteli^ Beadnall, gen. et. sp. 



nov. 03, 529 

 Artesian Borings at New Lodge, 



Bucks, 94, 92 

 Water in Queensland, 01, 



570 



Well at Torquay, 75, 96 



Well, Eruption at an, 66, 383 



Arthropleura ferox, 73, no 

 Arthropoda, British Fossil, 73, 104 

 Arthropod, Giant, in Upper De- 

 vonian, U.S.A. 00, 481 

 Arthur's Seat, Edinburgh, Structure 



of, 75, 182 

 Articulata from the Tertiary Rocks 



of the West Indies, 74, 443 

 Artificial Production of Perlitic 



Structure, 80, 115 ; 90, 79 

 Production of Diamond in Sili- 

 cates, 98, 226 

 Artiodactyla, Note on Three Genera 



of, 85, 63 

 Asaphus, Appendages of, 70, 292 

 Asar, Esker, or Kaims, 75, 86 ; 



76, 574 



o o 



Asar or Osar, Scandanavia and 



Finland, 98, 195, 257 

 Ascosceras, from Coal - iheasures, 



69, 136 



Genus, 88, 532 ; 89, 44 



MurcMsom, Barrande, 89, 1 2 1 



Ash-Slates, &c., in Lake District, 



92, 154, 218 



