146 ADDITIONS TO THE LIBKARY. 



of the species in tlie Frencli Old-Tertiary, 151. — W. G. Brown. Quartz- 

 twin from Albemarle County, Virginia, 191. — S. G. Williams. Geolo- 

 gical Relations of the Gypsum Deposits in Cayuga County, N. Y., 212. — 

 C. R. Van Hise. Enlargements of Hornblende fragments, 231. — G. F. 

 Kunz. Three Masses of Meteoric Iron from Glorieta Mountain, near 

 Canoncito, Santa Fe County, New Mexico, 235. — W. B. Taylor. Crump- 

 ling of the Earth's Crust, 249.— E. W. Hilgard. The Old Tertiary of 

 the Southwest, 266. — E. A. Smith. Remarks on a paper of Dr. Otto 

 Meyer on " Species in the Southern Old Tertiary," 270. — G. F. Kunz. 

 Native Antimony and its Associations at Prince William, York County, 

 New Brunswick, 275. — C. H. Hitchcock. Crystalline Rocks of Alabama, 

 278. — G. F. Becker. Geometrical Form of Volcanic Cones and the 

 Elastic Limit of Lava, 283. — G. F. Matthew. Notice of a new genus of 

 Pteropods from the Saint John Group (Cambrian), 293. — J. L. Wortman. 

 Cope's Tertiary Vertebrata, 295.— T. H. Aldrich. Observations upon the 

 Tertiary of Alabama, 300. — R. B. Riggs. The Grand Rapids Meteorite, 

 312. — J. S. Newberry. Notes on the Surface Geology of the country 

 bordering the Northern Pacific Railroad, 337. — J. D. Dana. Displace- 

 ment through intrusion, 374. — A. Winch ell. On Trend and Crustal Sur- 

 plusage in Mountain Structures, 417. — 0. Meyer. The Genealogy and the 

 Age of the species in the Southern Old-Tertiary, 421. — N. H. Darton. 

 Fossils in the Hudson River Slates of the southern part of Orange County, 

 N. Y., and elsewhere, 452. — P. Frazer. Report of the American Com- 

 mittee-delegates to the Berlin International Geological Congress, 454. 



New Haven, Conn. American Journal of Science. Ser. 3. Vol. xxxi. 

 Nos. 181-186. 1886. 

 G. H. Williams. The Peridotites of the " Cortlandt Series " on the 

 Hudson River, near Peekskill, N. Y., 26.— W. P. Blake. Description of 

 a Meteorite from Green County, Tenn., 41. — W. B. Dwight. Recent 

 Explorations in the Wappinger VaUey Limestone of Dutchess Co., N. Y., 

 No. 5, 12o.~G. H. Stone. Wind Action in Maine, 133.— S. G. Williams. 

 The Westward Extension of Rocks of Lower Helderberg Age in New 

 York, 139. — G. F. Kunz. Meteoric Iron from West Virginia, 145. — A. 

 Woeikof. Examination of Dr. Croll's Hypotheses of Geological Climates, 

 161.— J. L. and H. D. Campbell. W. B. Rogers's Geology of the Vir- 

 ginias, 193. — D. W. Langdon, jr. Observations on the Tertiary of Mis- 

 sissippi and Alabama, 202. — N. H. Darton. Area of Upper Silurian Rocks 

 near Cornwall Station, Eastern-central Orange Co., N. Y., 209. — J. D. 

 Dana. Lower Silurian Fossils from a Limestone of the original Taconic 

 of Emmons, 241. — S. W. Ford and W. B. Dwight. Prehminary Report 

 upon Fossils obtained in 1885 from Metamorphic Limestones of the 

 Taconic Series of Emmons at Canaan, N. Y., 248.— F. W. Clarke. The 

 Minerals of Litchfield, Maine, 262.— G. K. Gilbert. The Inculcation of 

 Scientific Method by Example, with an Illustration drawn from the 

 Quaternary Geology of Utah, 284. — W. B. Scott. On some new Forms 

 of the Dinocerata, 303. — J. P. Iddings. The Columnar Structure in the 

 Igneous Rock on Orange Mountain, New Jersey, 321. — G, F. Becker. 

 Cretaceous Metamorphic Rocks of California, 348. — L. F. Ward. On the 

 Determination of Fossil Dicotyledonous Leaves, 370. — E. G. Smith. 

 Pseudomorphs of Limonite after Pyrite, 376. — S. L. Penfield. Brookite 

 from Magnet Cove, Arkansas, 387. — W, Cross. Occurrence of Topaz and 

 Garnet in Lithophyses of Rhyolite, 432. — C. R. Van Hise. Origin of 

 the Mica-Schists and Black Mica-Slates of the Penokee-Gogebic Iron- 

 bearing Series, 453. — W. E. Hidden. Two Masses of Meteoric Iron, of 

 unusual interest, 460. — S. W. Ford. New Genus of Lower Silurian 

 Brachiopoda, 466. 



