128 DONS. — SÉANCES DU 3 NOVEMBRE AU 21 DÉCEMBRE 1891 
Salem. — Proceedings of the American Association for the 
Advancement of Science, for the 39 th Meeting held at Indianapolis, 
Indiana, 1890. 
Charles A. White : On the biological and geological signifiance of closely similar 
fossil forms, p. 239-243. — E. T. Tox : Floridite, a new variety of phosphate of 
lime, p. 260. 
Washington. — Smithsonian Contributions to Knowledge, 
n° 801, 1891. 
Grande-Bretagne. — Londres. — The Geological Magazine, 
new sériés, Dec. III, vol. VIII, n os 11, 12, 1891. 
Arthur H. Foord : On Pleuronautilus nodoso-carinatus, Rômer, sp., p. 481-482. — 
J. F. Blake : On some recent contributions to Precambrian Geology, p. 482-487. — 
T. Mallard Reade : On Normal Faulting, p. 487-489. — Ch. Davison : On the Amount 
of Sand brought up by Lobworms to the Surface, p. 489-493. — E. T. Newton: On 
Ammonites Jurensis, p. 493-494. — Norman Glass : On Athyrislæviuscula, p. 495-498. 
— C. Lapworth: On Olenellus Callavei and its Geological Relationships, p. 529-536, 
pl. XIV, XV. — W. M. Huntchings : Petrological Notes, p. 536-545. — A. S. 
Woodward : Pholidophorus germanicus in the Upper Lias, Whitby, p. 545-546. — 
Id.: Pseudotrionyx from the Bracklesham Beds, p. 546. — J. H. Cooke : Notes on 
Stereodon Melitensis, p. 546-547. 
— Proceedings of the Geologists’ Association, vol. XII, 4, 3, 1891. 
Excursions. 
Cambridge. — Proceedings of the Cambridge Philosophical 
Society, vol. VII, 4-5, 1891. 
S. J. Hickson: On the Medusæ of Millepora and their relations to the Medusiform 
gonophores of the Hydromedusæ, p. 147-148. 
Edimbourg. — Proceedings of the Royal Society of Edimburg, 
vol. XVII. 
C. Michie Smith : The volcanic Eruption at Bandaison, p. 65-71, 1 pl. — J. Murray 
and Robert Irvine : On Coral Reefs and other Carbonate of Lime Formations in 
Modem Seas, p 79-109. — R. H. Traquair : List on the Fossil Dipnoi and Ganoidei 
of Fife and the Lothians, p. 385-400. 
— Transactions of the Royal Society of Edinburgh, vol. XXXIV, 
1890. —XXXVI, 1, 1891. 
R. Kidston : On the Fossil Flora of the Stafïordshire Coal Fields, p. 63-98, 1 pl. 
Inde Anglaise. — Calcutta. — Records of the Geological 
Survey of India, vol. XXIV, part I, 1891. 
C. S. Middlemiss : Notes on the Geology of the Sait Range of thePanjab, with a 
reconsidered theory of the Origin and Age of the Sait Mari, p. 10-42, pl. I-V. — 
