Hyd 



GEOLOGICAL MAGAZINE. 



Hydrology of Carboniferous Rocks, 



01, 418 

 Hydrometamorphism, Rock-wea- 

 thering, &c. 99, 354 



Hydrothermal Origin of Granites, 



67, 176, 265 

 Origin of Certain Granites, 



67, 49 

 nyland, J. Shearson. Soda- 



microcline, 89, 160 ; Zonal 



Structure in Olivine, 89, 492 ; 



Epidiorites in Ireland, 90, 205 

 HylcBochampsa., 87, 286 

 Hylonomics Lyelli, 91, 258 

 Wildi., A. S. Woodw. sp. nov. 



91, 211 

 Hyndman, H. K. F. and 



T. G-. Bonney. Analysis of 



a Spherulite, 96, 365 

 Hyoid and Mandibular Arches in 



a Cretaceous Shark, 86, 285 

 Hyolithes and Conularia., 93, 368 

 gracilis and Related Forms, 



02, 542 



Hyolithes Homfrayi, Salter, 02, 124 



sulcahts, Salter, 02, 125 



trilineattis, Salter, 02, 126 



Hyopotamus (or Ancodtes), W. B. 



Scott on, 94, 492 



Picteti^ Lyd. sp. nov. 85, 131 



Hyotherium., Jawr of, Pliocene, 



India, 86, 574 

 Hyperodapedon, 68, 85 



Gordoni., 00, 486, 529 



Hypersthene Andesite, 83, 344 

 Hypersthenite of Carrick Fell, 82, 



210, 336 

 Hypostomic Eyes of Trilobites, 



03, 489 

 Hypothesis, A vi'ord on Geological, 



00, 298 

 Hypsilophodon Foxii, Anatomy of, 



73, 377 ; 74, 41 

 Hypsipryninopsis Rhceticus, 64, 44 

 Hypsocormus Leedsii., A. S. Woodw. 



sp. nov. 89, 450 

 iemtirostris., A. S. Woodw. 



sp. nov. 89, 451 



Ice, Action of Land-ice, 78, 187 



Age of Floating, in North 



Wales, 72, 15 



and Ice-work in Newfound- 

 land, 76, 303, 345, 403 



as an Agent of Geological 



Change, 70, 175 



Formation of Ground-ice, 77, 



39 



Physics of Arctic, 70, 435 



Was the Boulder-clay formed 



beneath, 92, 580 

 Ice-action, 75, 121 

 in Carboniferous Times, 88, 



379 



in High Latitudes, 88, 12 



Ice-age, Astronomical Theory of, 



95, 3, 55 



Canada, 94, 274 



Cause of an, 92, 231 



Date of, 87, 523 



Dr. Croll's Theory of, 95, 142 



Theories, 84, 513, 518 



Ice-avalanche, 96, 103 

 Icebergs, Flotation of, 77, 65 

 Ice-cap, 75, 513 

 Ice-caves, 65, 85 



Ice-erosion in the Cuillin Hills, 



Skye, 02, 35 

 Ice-flow, Direction of, in N. of 



Ireland, 88, 379 

 Ice-loaded Lands, Depression of, 



82, 526 

 Ice-marks on the Mendip Hills, 



66, 574 



Ice-motion, 95, 46 



Questions and Answers on, 



95, 79 



Ice-movement, Coast of Aberdeen- 

 shire, 82, 237 



Ice-plough, Furrows of Glacial 

 Period, 95, 280 



Ice-scratches in Derbyshire, 65, 

 440 ; 72, 269 



Ice-sheet, 74, 89, 257 



and Glacial Phenomena, 81, 



234 



Mechanics of an, 94, 511 



North of England, Age of 



the, 73, 140 



N. Lancashire, &c., 72, 381 



Pleistocene, 97, 319 



Scandinavian, 94, 496 



Ice-sheets, the Work of, 87, 151 



140 



