INDEX 



TO THE FIRST VOLUME 



OF TEIE 



TRANSACTIONS OF THE GEOLOGICAL SOCIETY. 



PAGE 



AiKiN, ArthuKj Esq. Observations on theWrekin^ and on the Great 



Coal-field of Shropshire 191 



Actynolite, Glassy^ globular concretions of, in the Amygdaloid of 



Caer Caradoc 211 



Jlderley Edge, Account of 40 



Alderney, Isle of. Dr. MacCulloch's Account of 3 



Alluvial Depositions of Ores, Observations on, by Dr. Berger IGl 



Alvminous Chali/beate Spring, in the Isle of Wight, Dr. Marcet's 

 Account of 213 



. Index to the Account of 24S 



Amygdaloid, near Exeter, 101 — Variety of, at Caer Caradoc in 

 Shropshire, 210 — Calcareo-manganesian, of Upton Pyne in 

 Devonshire, 102 — Slaty, between Saltram and Plympton Earle 104 

 A7idalusiie, found in the County of Wicklow 275 



Argillaceous Breccia, remarkable rocks of, in Jersey 21 



Argillaceous Porphyry, Lumps of, stuck in granite 1 1 



Argillaceous Rock on the western side of the Malvern Hills 306 



Arseniate of Copper found in Cornwall 26 



Arseniate of Iron of Cornwall, Mr. Phillips's Description of 27 



Arseniate of Lead found in Cornwall 166 



Bardiglioue, The Count de Bournon on, 355 — Essential specific 

 characters of, 355 — Accidental characters of, 358 — Table of the 

 varieties of, 359 — Observations on the primitive crystal and 

 integrant molecule of, 368 — General Observations on, 372 — 

 Remarks on the term, 383 — Table of the modifications of the 

 primitive crystal of, 386 — Table of the modification of the pri- 

 mitive crystal of, according to the determination of the Abbe 

 Hauy 387 



Barytes, Sulphate of m the interior of shells contained in limestone 31 1 

 Barytes, Granular Sulphate of, found in the County of Cork 279 



Basalt, Columnar, in the Island of Madeira 393 



Bennett, The Hon. Henry Grey, Sketch of the Geology of Madeira 391 



