114 
DONS. — SÉANCE DU 3 NOVEMBRE 1891 
Perlitic Obsidian from Pilas, Jalisco, Mexico, p. 530-533, pl. XVJlI. — F. Rutley : 
On some of the Melaphyres of Caradoc, with Notes on fhe Associated Felsites, 
p. 534-544, pl. XIX. — È. Wilson : On a Section oi the Rhætic Rocks at Pylle Hill 
(Totterdown), Bristol, p. 545-549. — E. Wethered : The Inferior Oolite of the 
Cotteswold Hills, with spécial reference to its Microscopical Structure, p. 550-570, 
pl. XX. — R. Lydekker : On Lower Jaws of Procoptodon, p, 571-574, pl. XXI. — 
H. Hicks : On some recently-exposed Sections in the glacial Deposits at Hendon, 
p. 575-584, pl. XXII. — E. Hill : On Wells in West Suffolk Boulder-Clay, p. 585-589. 
— J. J. Lister : Notes on the Geology of the Tonga Islands, p. 590-617, pl. XXIII. — 
Ch. Davison : On the Inverness Earthquakes of November 15 to December 14, 1890, 
p. 618-632. 
— The Geological Magazine. N. S. Dec. III, vol. VIII, 7-10, 1890. 
R. Lydekker : Note on a nearly perfect Skeleton of Iclithyosaurus tenuirostris 
from the Lower Lias of Street, Somerset, p. 289-290, pl. IX. — T. Mellard Reade : 
The Perched Blocks near Austwick, p. 291-292. — A. F. Jukes-Browne : The Lower 
Crelaceous Sériés of the Vale of Wardow, p. 292-294. — H. H. Howarth : The 
recent Elévation of the Ilimalayas, p. 294-296. — - A. Irving : On Dynamic metamor- 
phism, p. 296-303. — W. M. Hutchings : Rutile inFireclays, p. 304-306. — C. Davi- 
son : On the British Earthquakes of 1889, p. 306-316, 364-372, pl. X. — W. Upham : 
Corrélation of Quaternary Changes of Levels in North-America and the Caribean 
Région, p. 330-331. — T. G. Bonney : A Variety of Picrite (Seyelite) in Sark, p. 332. 
— G. W. Bulman : Glacial Geology, p. 337-348. — J. H. Cooke : The « Pleistocenè 
Beds » of Gozo, p. 348-355. — A. H. Foord : On Orthoceratites vaginatus, Schlo- 
theim, p. 355-357. — A. Irving : Physical Studies of an Ancient Estuary, p. 357-364. 
- — W.T. Blanford : The âge ofHimalayas, p. 372-375. — O. G. Marsh: Restoration of 
Stegosaurus, p. 385-387, pl. XI. — T. F. Jamieson : The Scandinavian Glacier and 
some Inferences derived from it, p. 388-392. — Hjalmar Sjôgren : Transverse 
Valleys in the Eastern Caucasus, p. 392-402. — G. W. Beelman : On the Sand and 
Gravels in the Boulder-Clay, p. 402-410. — A. B. Wynne : Recent Geological Inves- 
tigations in the Salt-llange, India, p. 410-412. — Pr. Bonney and Miss C. A. Baisin : 
Rock-Specimens from Kimberley, with a Note added hy T. Rupert Jones, p. 412-415. 
— Dugald Bell : Glacial Mound in Glen Fruin, p. 415-418. — G. Roper : The sup- 
posed Dicynodont from the Elgin Trias, p. 430. — O. Fisher : On dynamo-metamor- 
phism, p. 430-431. — A. Harker : Dynamo-metamorphism again, p. 431-432. — 
E. J. Garwood : On the Origin of Concrétions in the Magnesian Limestone, p. 433- 
440, pl. XII XIII. — II. H. Howorth : Elévation of the American Cordillera, 
p. 441-450. — C. Davison : On the British Earthquakes of 1890, p. 450-455. — P. B. 
Brodie : On the Lower Greensand and Purbeck Beds, p. 455-456. — A. J. Jukes- 
Browne : The Lower Greensand or Vectian in Dorset, p. 456-458. — Ed. Wilson : 
On Colour-Bands in Waldheimia perforata, p. 458-459. — W. M. Hutchings : Note 
on the Coniston Flags, p. 459-463. — A. Irving : Dynamic-Metamorphism « again», 
p. 479-480. 
— Proceedings of the Geologists’ Association. Vol. XII, 1-4, 1891. 
C. Davies Sherborn and H. W. Burrows : Report on tbe Microscopical Examination 
of some Samples of London, p. 4-7. — Th. Leighton and J. B. Ogle : On some Recent 
Sections at Dulwich, p. 8-16. — J. W. Gregory : The British Tertiary Echinoïd 
Faunas and their Affinities, p. 16-60. pl. I et IL — T. V. Holmes : Further Notes on 
the geological Becord, p. 67-87. — Excursion to the Cutting near Shortlands station 
on the Nunhead and Shortlands Railway, p. 92-97. — Excursion to Guildford, p. 97- 
