Vol. 50.] ADDITIONS TO THE LIBRARY. 213 



Reading. Reading Literary and Scientific Society. Report and 

 Proceedings, 1890. 1890. 

 J. H. Blake. Geological Excursion to Norcot Kiln and Tilehurst, 23. 

 — J. H. Blake. Geological Excursion to Nettlebed, 23. — O. A. Shrub- 

 sole. Geological Excursion to Twyford and Ruscombe, 25. — J. H. Blake. 

 Geological Excursion to Henley, 25. 



. , 1891. 1891. 



O. A. Shrubsole. Geological Excursion to Moulsford, 26. — J. H. Blake. 

 Geological Excursion to Wargrave and Bowsey Hill, 28. 



. , 1892. 1892. 



O. A. Shrubsole. The Story of the Great Ice Age, 20.— 0. A. Shrub- 

 sole. Geological Excursion to " Hungry Hill," Aldershot, 25. — 0. A. 

 Shrubsole. Geological Excursion to Streatley, 26. 



-, 1893. 1893. 



J. E. Marr. " Greenland's Icy Mountains," 23.— J. H. Blake. Geolo- 

 gical Excursion to Medmenhain, 37. 



Rio de Janeiro. Museu National do Rio de Janeiro. Archivos. 

 Vol. viii. 1892. 



Rochester, N.Y. Geological Society of America. Bulletin. Vol. iv. 

 1893. 

 C. H. Hitchcock. Studies of the Connecticut Valley Glacier, 3. — 

 James Hall. The Oneonta Sandstone and its Relations to the Portage, 

 Chemung, and Catskill Groups, 8. — Warren Upham. Conditions of 

 Accumulation of Drumlins, 9. — A. S. Tiffany. Ancient Waterways, 10. 

 — G. F. Becker. Finite Homogeneous Strain, Flow, and Rupture of 

 Rocks, 13. — C. S. Prosser. The Thickness of the Devonian and Silurian 

 Rocks of Central New York, 91. — D. White. A new Teeniopteroid 

 Fern and its Allies, 119. — L. E. Hicks. Some Elements of Land 

 Sculpture, 133. — C. L. Whittle. Some Dynamic and Metasomatic 

 Phenomena in a Metamorphic Conglomerate in the Green Mountains, 

 147. — H. Hobbs. Phases in the Metamorphism of the Schists of 

 Southern Berkshire, 167. — Warren Upham. Comparison of Pleistocene 

 and present Ice-sheets, 191. — J. S. Diller. Cretaceous and early Tertiary 

 of Northern California and Oregon, 205, — H. P. H. Brumell. On the 

 Geology of Natural Gas and Petroleum in South-western Oregon, 225. — 

 H. P. H. Brumell. Notes on the Occurrence of Petroleum in Gaspe, 

 Quebec, 241. — T. W. Stanton. The Faunas of the Shasta and Chico 

 Formations, 245. — W. Lindgren. Two Neocene Rivers of California, 

 257. — C. R. Keyes. Epidote as a primary Component of Eruptive Rocks, 

 305. — A. E. Barlow. Relations of the Laurentian and Huronian Rocks 

 north of Lake Huron, 313. — W. H. C. Smith. The Archsean Rocks 

 west of Lake Superior, 333. — R. W. Ells. The Laurentian of the 

 Ottawa District, 349. — R. Chalmers. Height of the Bay of Fundy coast 

 in the Glacial Period relative to Sea-level, as evidenced by Marine Fossils 

 in the Bculder-clay at Saint-John, New Brunswick, 361. — H. P. H. 

 Brumell. On the Geology of Natural Gas and Petroleum in South- 

 western Ontario, 408. — J. W. Dawson. Note on Fossil Sponges from 

 the Quebec Group (Lower Cambro-Silurian) at Little Metis, Canada, 

 409.— W. J. McGee. A Fossil Earthquake, 411.— A. P. Low. Notes 

 on the Glacial Geology of Western Labrador and Northern Quebec, 419. 

 — G. F. Wright. The supposed post-Glacial Outlet of the Great Lakes 



