n8 



ADDITIONS TO THE LIBBAEY. 



Newcastle-upon-Tyne. Natural History Society of Northumberland, 

 Durham, and Newcastle-upon-Tyne, and Tyneside Naturalists' 

 Field Club. Natural-History Transactions. Yol. viii. Part 3. 

 1886. 



. . . Vol. ix. Part 1. 1887. 



. North of England Institute of liming and Mechanical En- 

 gineers. Transactions. Yol. xxxv. Parts 3 & 4. 1886. 

 J. D. Kendall. The Iron Ores of the English Secondary Rocks, 105. — 



G. J. Binns. Coal-Mining in New Zealand, 175. 



. . . Transactions. Yol. xxxvi. Parts 1 & 2, 



1887. 



G. A. Lebour. Notes on the Coal-Measures of Catalonia, Spain, 33. 



New Haven. American Journal of Science. Ser. 3. Yol. xxxii. 

 Nos. 187-192. 1886. 

 C. G. Rockwood, jun. Notes on American Earthquakes, 7. — 0. Meyer. 

 Observations on the Tertiary and Grand Gulf of Mississippi, 20. — A, 

 Hague and J. P. Iddings. Notes on the Volcanic Rocks of the Republic 

 of Salvador, Central America, 26. — H. M. Seely. The Genus Strepho- 

 chetus, distribution and species, 31. — N. S. Shaller. Preliminary Report 

 on the Geology of Cobscook Bay District, Maine, 35. — J. D. Dana. On 

 some General Terms applied to Metamorphism and to the Porphyritic 

 Structure of Rocks, 69. — S. L. Penfield and D. N. Harper. On the Che- 

 mical Composition of Herderite and Beryl, with note on the Precipitation 

 of Aluminum and Separation of Beryllum and Aluminum, 107. — W. Cross 

 and L. G. Eakins. On Ptilolite, a new Mineral, 117. — J. S. Diller. Notes 

 on the Peridotite of Elliot County, Kentucky, 121. — E. S. Dana. On 

 the Crystallization of Gold, 132. — C. D. Walcott. Classification of the 

 Cambrian System of North America, 138. — J. Le Conte. A Post-Ter- 

 tiary Elevation of the Sierra Nevada shown by the River Beds, 167. — 



H. S. Williams. Devonian Lamellibranchiata and Species-making, 192. 

 — G. P. Merrill. Composition of certain " Pliocene Sandstones " from 

 Montana and Idaho, 199. — W. E. Hidden and A. des Cloizeaux. Contri- 

 butions to Mineralogy, 204. — F. W. Clarke and J. S. Diller. Turquoise, 

 from New Mexico, 211. — E. S. Dana and S. L. Penfield. On two hitherto- 

 undescribed Meteoric Stones, 226. — J. D. Dana. A dissected Volcanic 

 Mountain ; some of its revelations, 247. — R. D. Irving. Origin of the 

 Ferruginous Schists and Iron Ores of the Lake Superior region, 255. — 

 H. A. Wheeler. Further Notes on the Artificial Lead Silicates from 

 Bonne Terre, Mo., 273. — J. G. Meem. Limonite Pseudomorphs after 

 Pyrite, 274. — 0. W. Huntington. On the Crystalline Structure of Iron 

 Meteorites, 284. — W. E. Hidden. A new Meteoric Iron from Texas, 306. 

 — S. L. Pentield and F. L. Sperry. On Pseudomorphs of Garnet from 

 Lake Superior and Salida, Colorado, 307. — G. F. Kunz. Further Notes 

 on the Meteoric Iron from Glorieta Mi, New Mexico, 311. — E. S. Dana. 

 On the Brookite from Magnet Cove, Arkansas, 314. — W. M. Davis. The 

 Structure of the Triassic Formation of the Connecticut Valley, 342. — 

 F. W. Clarke. Researches on the Lithia Micas, 353. — J. C. Branner. 

 Thickness of the Ice in North-eastern Pennsylvania during the Glacial 

 Epoch, 362. — T. M. Chatard. Lucasite, a new variety of Vermiculite, 

 375.— W. G. Brown. Crystallographic Notes, 377.— S. L. Penfield and 

 D. N. Harper. Chemical Composition of Ralstonite, 380. — E. S. Dana. 

 Mmeralogical Notes, 386. — E. S. Dana. On the Crystallization of Native 

 Copper, 413. — W. N. Rice. On the Trap and Sandstone in the Gorge of 



