INDEX. 
V 
ProductidsB, Davidson on, 97 
Pui'beok Dii't-bed, Original tliickness 
of, 21G 
Geologic Sconoiy of, by P. 
Brannou, reviewed, 133 
E 
Eamsay, Prof., Geological Map of Eng- 
land and Wales, reviewed, 135 
Eed Chalk of England, Eev. T. WUt- 
sliire on, 261 
Eed Sandstone of Herefordshire, Fos- 
sils from, Eev. W. S. Symonds on, 
485 
, List of Fossils from, 275 
, Note of Fossils from, 417 
EeptUian Eggs, Supposed, from Great 
Oolite, Buckman on, 290 
Eemains from South Africa, 
Owen on, 211 
Eeviews, 88, 128, 178, 300, 332, 372, 
417, 496 
Ehamphoryliynchus Bucklandi, Hux- 
ley on, 208 
Eoberts, Mr. G. B., On Upper Ludlow 
Tilestones, 117 
Eock Basins, Ai-tificial Origin of, 368 
Formations, Contemporaneity of, 
415 
, Suggestions respecting, 452 
■ , H. C. Salmon on, 221 
■ , then- Chemical and Mineral Com- 
position, H. C. Salmon on, 49 
, Chemical Symbols of Elements 
of, 52 
, Constituents of, 55 
, List of Elements and Primary 
Compounds, 53 
^ -Salmon, H. C, On the Formation of 
Ore- Veins, 355, 389, 427 
, On Rocks, 41, 221 
Salt-basins of FHerault, 35 
Salter, J. W., On Foreign Fossils of 
Lingula Flags, 165 
Sand-hills of the Mediterranean and of 
the Coast of Flanders, 81 
Sand-pipes near Swainstone, Isle of 
Wight, 175 
Sam-ian, new fossil, 124 
SciUy Isles, Geology of, Eev. Francis 
Stratham on, 12 
Scotland, North of, Murchison on, 43 
Scropo, G. Poulett, On Volcanic Cones 
and Craters, 124 
Secondai-y Eocks, Lower, South- 
easterly Attenuation of, Mr. Edward 
Hull on, 213 
Sclenite, Fihns of, 175 
■ , Manner of cutting Films of, 40 
Selenium and Tellm-ium at Vesuvius, 
279 
Shap District, Geology of, 92 
SUm-ia, by Sir E. I. Murchison, re- 
view of, 88 
, Count D'Archiac's, Notice of, 
330 
Sihuian Strata of Brittany, Supposed 
Vertebrate Eemains in, 36 
Eocks, Lower, S. J. Mackie on, 
311, 381 
Strata, Numerical Table of 
Faima and Flora of, 331 
Slickensides, J. Price on, 4'82 
Dr. T. Ansted on, 484 
Smith, Toulmiu, Inaugural Addi'ess to 
Geologists' Association, 95 
Sorby, H. C, on Cone-ia-Cone Struc- 
ture, 485 
Sorby, H. C, On Structures produced 
by Cmrents in Stratified Eocks, 
137 
Sowerby, G. B., Illustrated Index of 
British Shells, reviewed, 332 
Speeton Clay of Yorkshire, Mr. J. 
Leckenby on, 9 
Spiders, Live, in Flints, 299 
Spu-ifera convoluta, Davidson on, 313 
Spirit of Good Books, 315 
Spitzbergen, Notes on, by M. J. 
Lamont, 293 
Sponges, Chalk, of Yorkshire, 40 
ia ChaUt of Yorkshii-e, 409 
Stagonolepis Eobertsonii, Huxley on, 
46 
of Elgin, Murchison on, 
1(54 
Statham, Rev. F., On Geology of the 
ScOly Isles, 12 
Strophomenidas, Davidson on, 97 
Struotm'cs Produced by Currents in 
Stratified Rocks, Sorby on, 137 
Subterranean Noises, 122 
Succession of Life, First Traces of, 
Mackie on, 341, 381 
Sulphm'iferous Strata in Roman States, 
284 
Symonds, Eev. W. S., on Fishes and 
Tracks from the Passage Eocks and 
Lower Eed Sandstone of Hereford- 
sliire, 485 
Symonds, Eev. W. S., On the Malvern 
Strata, 170 
