DONS. — 6 MAI- 17 JUIN 1878. 
68 
Von Schroeckinger. — Dietrichit, ein neuer Alaun aus Ungarn, 189. 
Espagne. Madrid. Revista de los Progresos de las Ciencias exactas, 
fisicas y naturales, t. XX, n os 5 et 6 ; 1877-78. 
États-Unis. New-Haven. American Journal of Science and Arts 
(The), 3 e sér.,|t. XY, n os 89 et 90; 1878. 
J. W. Mallet. — On a fourtli mass of Meteoric Iron from Àugusta County, Virginia/ 
337. 
W. J. M c Gee. — On the Relative Positions of the Forest Bed and Associated Drift 
Formations in Northeastern lowa, 339. 
— Geographical and Geological Survey of the Rocky Mountain Région under the 
direction of Pr. J. W. Powell. Account of work performed during the year 1877. 
342, 449. 
S. W. Ford. — On certain forms of Brachiopoda occuring in the Swedish Pri¬ 
mordial, 364. 
S. J. Wallace. — On the « Geodes » of the Keokuk Formation, and the Genus 
Biopalla, with some Species. 366. 
S. T. Barrett. — The Coralline, or Niagara Limestone of the Appalachian System 
as represented at Nearpass’s Cliff. Montague, New Jersey, 370. 
J. A. Allen. — Description of a Fossil Passerine Bird from the Insecttrearing 
Shal.es of Colorado, 381. 
G. J. Brush et E. S. Dana. — Notice of three new Phosphates from Fairfield 
County, Connecticut, 398; — Notice of a fourth new Phosphate from Fairfield Co., 
Conn., 481. 
0. C. Marsh. — Notice of New Fossil Reptiles. 409; — Fossil Mammal from the 
Jurassic of the Rocky Mountains, 459. 
J. J. Stevenson. — The Upper Devonian Rocks of Southwest Pennsylvania, 423. 
S. Calvin. —- On some dark Shale recently discovered below the Devonian Li- 
mestones at Independence, lowa; with notice oftheFossils at présent known to be 
jn it, 460. 
Grande-Bretagne. Londres. Geological Magazine (The), 2 e sér., 
2 e déc., t. Y, n os 5 et 6; 1878. 
A. Champernowne. — Notes on the Devonians and Old Red Sandstone of North 
and South Devon, 193. 
C. Lloyd Morgan. —Geological Time, II, 199; — Physiography, 241. 
T. G. Bonney. — Note on the Felsite of Bittadon, N. Devon, 207. 
5, M. Dawson. — Erratics at HighLevels in North-Western America — Barriers to a 
Great Ice-Sheet, 209. 
H. 0. Forbes. —Dénudation — Rain and River, 212. 
E. R, Lewis. — The Fossil Fish Localities of the Lebanon, 214. 
J. T. Young. — On the Occurence of a Freshwater Sponge in the Purbeck Li¬ 
mestone. 220. 
— Geological Society of London, 233, 284. 
W. A. E. Ussher. — On Terminal Curvature in the South-Western Counties, 237. 
H. E. H. — Terminal Curvature in West Somerset, 238. 
Wm. Pengelly. — The Gorran Beds and Budleigh Salterton Pebbles, 238/ 
J. H. Jennings. —• On the origin of a Quartzite Boulder from the Bunter Conglo- 
merate, Nottingham, 239. 
W. Dawies. — On the Nomenclature of Saurocephalus lanciformis of the British 
