46 
DONS. — 18 FÉVRIBR-21 AVRIL 1884. 
A. C. Peale. — Some geyser comparisons, 101. 
M. E. Wad.sworth. — Océan water et bottoms, 41. 
W. C. Williamsoii. ■— The végétation of the Carboniferous âge, 529. 
Id., vol. m, 48-61, janv.-avr. 1884. 
A. Winslow. — PecLiliarities of weathering in the Pottsville Conglomerate, 12. 
L. C. Wooster. — Kames near Lansing, Mich., 24. 
A. W. — Limits of Teriiary in Alabania, 32. 
E. Nugent. — Synchronism of geological formations, 32. 
A. Heilprin. — Synchronism of geological formations, 60, 
"Wra. Dali. — A new volcano island in Alaska, «9. 
A. Hyatt. — The Evolution of Cephalopoda, 122. 
G. Davidson. — Volcanic éruption of Mt Si-Augustin, cet. 6, 1883, 186. 
C. D. Walcott, — Appendages of th ■ Trilobite, 279. 
C. A, Ashburner. — Pennsylvania anthracite, 310. 
I. C. Russel. — Lakes of the Great Basin, 322. 
G. K. Gilbert. — Rippte marks, 3/5. 
J. S, Newberry. — High tides in geological history. 402, 
New Haven. The American Journal of Science, vol. XXYIÏ, n°' 159- 
160, mars-avril 1884. 
F. D. Ghester. The quaternarv gravels of Northern Delaware et Easîern Ma- 
ryland, 189. 
W, B. Dwight. — Récent Explorations in the Wappinger Valley Limestone of 
Dutchess County, New-York, 249. 
B. F. Koons. — Kettle Holes near Wood's Hall, Mass., 260. 
J. Croll. — Examination of M»^ Wallace's modification of the Physicaî Theory 
of Secular Change of Climate, 265. 
T. N. Dale. — Contribution to the Geology of Rhode-îsiand, gn, 262. 
L. F. Ward. — Mesozoïc Dicotyledons, 292, 
0. C. Marsh. — Principal character of american Jurassic Dinosaurs, 329. — Â 
new order of extinct Jurassic Reptiles (Macelognatha), 341. 
Philadeiphia, Academy of Natural Sciences. Proceedings of the -^j 
1883, p. m, nov.-déc. 
Th. Meehan. — Notes ou glaciers in Alaska, 249, 
J. Willcox. Notes on glacial action in Northern New- York and Canada, 257. 
Grande-Bretagne. London. The Geological Magazine. Dec. IIÏ^ 
vol. I, n°s 3 et 4, mars-avril 1884. 
J. Marcou. — On the Permian-Trias question, 97. 
0. C. Marsh, — A new american Dinosaur, 99. 
W. H. Hudleston. ~ Contributions to the Paleontology of the Yorkshire 
Oolithe, 107, 146. 
R, H, Traquair. — On the genus Megalichthys, 115. 
T. Rupert Jones. — Notes on the Geology of Newbury, 122. 
G. H. Kinahan. — A faulted slate, 123» 
