18 
DONS. — DU 17 JUIN AU 3 NOVEMBRE 1890 
Penhallow : Notes on Devonian Plants, p. 19-31. — Sir J. William Dawson : On 
New Species of fossil Sponges from the Siluro-Cambrian at Little Métis on the 
Lower St. Lawrence (Including Notes on the Specimens, byG. J. Hinde), p. 31-57. — 
L. W. Bailey : On some relations between the Geology of Eastern Maine and New . 
Brunswick, p. 57-69. — Sir J. William Dawson : On Fossil Plants collected by R. 
A. Mc. Connellon Mackensie River, and by Mr. T. C. Weston, on Bow River, 
p. 69-75, pl. IX-XI. — J. F. Whiteaves : Descriptions of eight new species of Fossils 
from the Cambrio-Silurian Rocks of Manitoba, p. 75-85, pl. XII-XVII. — A. P. Cole- 
man : Notes on the Geograpliy and Geology of tlie Big Bend of the Columbia, p. 97-109. 
— F. J. Chapman : Some Remarks on the Classification of Trilobites, as influenced 
by Stratigrapbical Relations, with Outline of a New Grouping of these Forms, 
p. 113-121. — J. W. Spencer : The Iroquois Beach, a Chapter in the Geological 
History of Lake Ontario, p. 121-135. — G. F. Matthew : OnCambrian Organisais in 
Acadia, p. 135-160, pl. V-IX. 
Toronto. — Proceedings of the Canadian Institute. 
3 e série, vol. VII, fasc. 2. Avril 1890. 
Arthur Harvey : Geology of Northwest Lake Superior, p. 218-226. 
Espagne. — Madrid. — Memorias de la comisiôn de la mapa 
geolôgico de Espana. 
J. Gonzalo y Tarin : Descripcion fisica, geolbgica y minera de la provincia de 
Huelva. T. IL Descripcion minera. 666 -j- VII p., 41 pl. 
— Mapa geolôgico de Espana que por orden del Ministerio de 
Fomento ha formado y publica la Cotnision de Ingenieros de Minas, 
creada en 28 de marzo de 1873, bajo la direcciôn del Inspector 
general Excmo Senor Don Manuel Fernandez de Castro. Madrid 
1889. 1/400000. 
Edition en petites feuilles : feuilles 19 (Zamora), 20 (Palencia), 23 (Barcelona), 
24 (blanche), 27 (Salamenca), 28 (Madrid), 31 (Baléares), 32 (Baléares). 
Edition en grandes feuilles : feuilles 6 (Madrid), 8 (Baléares), 12 (Baléares), 
16 (titre). 
Etats-Unis. — Washington. — Monographs of the United 
States Geological Survey. Vol. XV et XVI. 
William Morris Fontaine : The Polomac or younger Mesozoic Flora. Vol. XV, 1889. 
— John StrongNewberry : The PaleozoicFishes of North America. Vol. XVI, 1889. 
— United States Geological Survey. J. W. Powel Director. 8 th 
Annual Report 1886-1887. 
Israël C. Russell : The quaternary history of Mons Valley, California, p. 267-394, 
pl. XVI-XL1V. — J. S. Diller : Geology of the Lassen Peak District, p. 401-430, 
pl. XLV-LI. — Samuel S. Scudder : The fossil Butterflies of Florissant, p. 439-474, 
pl. LII-LIII. — Edward Orton : The Trenton Limestone as a source of Petroleum 
