DONS. — 5 JANYIER-2 MARS 1885. 
43 
Sterry Hunt. — The geology of the Scottish Highlands, 87. 
Lester F. Ward. — A glance at the history of ourknowledge of fossil plants, 93. 
Discovery ofSilurian insects, 97. 
Krakatoa pumice, 120. 
Geological survey of Pennsylvania, 121. 
Rockwood, jun. — Earthquake of Jan. 2, 1885, 129. 
A text-book of physical geology, 137, 
A text-book of microscopical petrography, 138. 
Earthquake in the Atlantic, off the coast of Africa, I4i. 
New Haven, Conn. — The American Journal of Science, 3° série, 
vol. XXIX, n° 169, (janvier 1885), 
Wm. H. Brewer. — Suspension and Sédimentation of Clays, 1. 
J. D. Dana. — System of Rock notation for Geological Diagrams,7. 
Arch. Geikie. — Crystalline Rocks of the Scottish Highlands, 10. 
S. W. Ford. — Great Fault, Schodack Landing. N. Y., 16. 
J. Croll. — Cause of Mild Polard Climates, 20. 
A. L. Ewing. — The Amount and Rate of Chemical Erosion in the Limestone 
of Genter Co., Pa., 29. 
E. G. Smith. Chrysotile from Shipton, Canada, 32. 
0. A. Derby. Santa Catharina Météorite, 33. 
F. D. Chester. — Gravels of Southern Delaware, 36. 
J. D. Dana. — Decay of Quartzyte, Pseudo-breccia, 57. 
Vol. XXIX, no 170, (février 1885). 
J. W. Powell. — The organization and Plan of the United States geological 
Survey, 93, 1 pl. 
Walcott. — Paléontologie notes, 114. 
Verrill. — Notice of the remarkable marine Fauna occupying the outer banks 
off the Southern Coast of New England, 149. 
J. A. Perry. — Note on a Fossil Coal Plant found at the Graphite deposit in 
JNJicaschist, at Worcester, Mass., 157. 
Hicks. — The Test Well in the carboniferous Formation at Brownville, Neh,, 
159. 
— Transactions of the Connecticut Academy of Arts and Sciences, 
vol. VI, n° 1. 
Philadelphia. — Academy of natural Sciences. Journal of the — , 
2^ série, vol. IX, 1^° partie. 
A, Heilprin. — The tertiary geology of the Eastern and southern United Stades, 
115. 
— Proceedings of the Academy of natural Sciences of — . Part. II. 
may-october, 1884. 
Ringueberg, Eugène N. S. — New Fossils from the four Groups of the Nia- 
gara Period of Western New- York, 2 pl., 144. 
Lewis, H. Carvell. — Volcanic Dust from Krakatoa, 185. 
Willcox. J. — Notes on the geology and natural history of the West Coast of 
Florida, 188. 
Carter. — • Catalogue of Marine Eponges, coUected by M. J. Willcox on the 
West Coast of Florida, 202. 
