34 bONS. — SÉANCE DU 17 NOVEMBRE 1890 
Stuttgart. — Neues Jahrbuch für Minéralogie, Géologie und 
Palaeontologie. 
Beilage-Band VII. N° 2. 
Weinschenk : Beitrage zur Pétrographie Japans, p. 133-151. — Wülfing : Beitràge 
z,ur Kenntniss des Kryokonit, p. 152-174. — Czapski : Krystallrefractometer nach 
Abbe, p. 175-200, pl. 1(1. — Pockels : Ueber die Aenderungen des optisclien Ver- 
haltens und die elastischen Delormationen dielektrisclier Krystalle im elektrischen 
Felde, p. 201-231. — Traube : Ueber den Molybdàn-Gebalt des Scheelits und die Tren- 
nung der VVolframsâure von der Molybdansàure, p. 232-245. — Wermbter : Der 
Gebirgsbau des Leinethals zvviscben Greene und Banteln, p. 246-294, pl. IV. 
Etats-Unis. — New-Haven. — The American Journal of Science. 
Vol. XL. N° 239. Nov. 1890. 
B. K. Emerson : Description of the « Bernardston Sériés » of Metamorphic Upper 
Devonian Rocks, p. 362-374. — P. E. Browning : Analysis of Rhodochrosite from 
Franklin Furnace, New Jersey, p. 375-376. — W. F. Ilillebrand : Occurence of 
Nitrogen in Uranite and composition of Uranite in general., p. 384-394. — S. U 
Penfield : Anthophyllite from Franklin, Maçon Co., N. C. p. 394-397. — P. Max 
Foshay : Preglacial drainage and recent geological history of Western Pennsylvania, 
p. 397-403. — F. W. Mar : On the so-called Perofskite from Magnet Cove, 
Arkansas, p. 403-405. — F. W. Carke a. E. A. Schneider : Experiments upon the 
Constitution of the Natural Silicates, p. 405-415. 
Grande-Bretagne. — Londres. — The Geological Magazine. 
Dec. III. Vol. VII, n° 11, n° 317. Nov. 1890. 
J. W. Gregory : Australian ïertiary Echinoidea, p. 481-492, pl. XII1-XIV. — 
W. Upham : Quaternary changes of levels, p. 492-497. — G. H. Morton : The Bunter 
and Keuper Formations near Liverpool, p. 497-505. — A. Somervail : The nature and 
origin of the banded rocks of the Lizard district, p. 505-513. — W. Whitaker : Sites 
for coal-search in the South East of England, p. 514-516. — II. Hicks : On Pre-Cam- 
brian rocks occurring as fragments in Cambrian conglomérâtes, p. 516-518. 
— The Quarterly Journal of the Geological Society. 
Vol. XLVI, 4 e partie, n° 184. 
J. W. Spencer : Origin of the basins of the Great Lakes of Amerika, p. 523-533. — 
T. Rupert Jones : On some Devonian and Silurian Ostracoda from North America, 
France, and the Bosphorus, p. 534-556, pl. XX-XXI. — A. Irving : On the plateau- 
gravels of East Berks, and West Surrey, p. 557-565. — J. W. Davis : On a new 
species of Coccodus, p. 565-569, pl. XXII. — Miss Gardiner : Contact-alteration near 
New Galloway, p. 569-581, pl. XX11I. — O. A. Shrubsole : On the valley-gravels 
about Reading, with especial reference to the Palaeolithic Implements found in them, 
p. 582-595. — Sir J. W. Dawson : On burrows and tracks of invertebrate animais in 
palaeozoic rocks and other markings, p. 595-619. — G. H. F. Ulrich : On the disco- 
very, mode of occurence and distribution of the Nickel-iron Alloy Awaruite on the 
West Coast of the South Island, New Zealand, p. 619-632, pl. XXIV. 
