Neue Literatur. 



391 



ineridional de la provincia de Zaragoza (av. 1 carte geolog. et 4 plchs.). 



— J. Almera y A. Bofill : Molluscos fösiles de los terrenos terciarios 

 superiores de Cataluna (av. 8 plchs.). — C. Barrois : Observaciones sobre 

 el terreno siluriano de los alrededores de Barcelona (traducciön). — 

 W. KiLiäx: Estudio paleontolögico acerca de los terrenos secundarios y 

 terciarios de Andalucia (tradducciön). 



25) Bulletin of the Geological Society of America. 8°. 

 Washington. [Jb. 1893. I. -450-.] 

 1893. Vol. IV. — Gr. F. Becker: Finite honiogeneous Strain, Flow 

 and Eupture of Bocks. 13. — C. S. Prosser : The Thickness of the De- 

 vonian and Silurian Bocks of central New York. 91. — David White: 

 A new Taeniopteroid Fern and its Allies. 119. — L. E. Hicks : Sonie 

 Elements of land Sculpture. 133. — C. L. Whittle: Some dynamic and 

 metasomatic Phenomena in a metamorphic Conglomerate in the Green 

 Mountains. 147. — W. H. Hobbs : Phases in the Metamorphism of the Schists 

 of southern Berkshire. 167. — G. K. Gilbert: Continental Problems; 

 Annual Address by the President. 179. — 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 southwestern 

 Ontario. 225 ; — Notes on the Occurrence of Petroleum in Gaspe, Quebec. 

 241. — T. W. Stanton : The Faunas of the Shasta and Chico Formations. 

 245. — Waldemar Lindgren : Two Neocene Rivers of California. 257. — 

 C. R. Keyes : Some Maryland Granites and their Origin. 299 ; — 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 Archean Rocks west of Lake Superior. 333. 



— R. W. Ells : The Laurentian of the Ottawa District. 349. — Robert 

 Chalmers : Height of the Bay of Fundy Coast in the Glacial Period relative 

 to Sea-level, as evidenced by marine Fossils in the Bowlder-clay at Saint 

 John, New Brunswick. 361. — Raphael Plmpelly: Memorial of Thomas 

 Sterry Hunt (with bibliography). 379. — J. F. Kemp : Memorial of John 

 Strong Newberry (with bibliography). 393. — W. M. Davis : Memorial of 

 James Henry Chapin (with bibliography). 406. — H. P. H. Brumell: On 

 the Geology of natural Gas and Petroleum in southwestern Ontario 

 (discussion by J. C White and H. M. Ami). 408. — J. Wm. Dawson: 

 Note on fossil Sponges from the Quebec Group (Lower Cambro-Silurian) 

 at Little Metis, Canada (abstract). 409. — W. J. Mc Gee : A fossil Earth- 

 quake (abstract). 411. — A. P. Low: Notes on the glacial Geology of 

 western Labrador and northern Quebec. 419. — G. Frederick Wright : 

 The supposed post-glacial Outlet of the Great Lakes through Lake Nipis- 

 sing and the Mattawa River. 423. — George M. Dawson: Notes on the 

 Geology of Middleton Island. Alaska. 427. — C. R. Van Hise : The Huronian 

 Volcanics south of Lake Superior (abstract). 435. — N. H. Darton: On 

 two Overthrusts in eastern New York. 436. 



