624 



Neue Literatur. 



No. 4. — M. M. Ogilvie : The Upper Trias of St. Cassian, Tyrol. 145. 



— 0. NoväK : On a new Form of Discinocaris from Bohemia. 148. — 

 F. H. Hatch: A New British Phouolite. 149. — W. Bülman: Drift Goal 

 in Sandstone. 150. — M. Hutchings: On the Ash-Slates of the Lake- 

 District. 154. — W. T. Blanford : The Age of the Himalayas. 161. — 

 J. F. Blake: Reply to Various Criticisms. 168. 



14) The American Journal of Science. Editors J. D. and E. S. 

 Dana. 8°. New Häven, Conn., U. St. [Jb. 1892. I. -490-.] 



Vol. XLIII. No. 254. February 1892. — T. C. Mendenhall : Ilse of 

 a Free Pendulum as a Time Standard. 85. — C. A. White : Bear River 

 Formation, a Series of Strata hitherto Known as the Bear River Laramie. 

 95. — W. Stanton : Stratigraphic Position of the Bear River Formation. 

 98. — Van Hilse : Iron Ores of the Marquette District of Michigan. 116. 

 A. Winslow: Illustration of the Flexibility of Limestone. 133. — R. B. 

 Riggs : Separation of Iron , Manganese and Calcium by the Acetate and 

 Bromine Methods. 135. — R. S. Tarr : Central Massachusetts Moraine. 141. 



— B. K. Emerson : Proofs that the Holyoke and Deerfield Trap Sheets 

 are Contemporaneous Flows and no later intrusions. 146. 



Vol. XLIII. No. 255. March 1892. — J. C. Russell: Mt. St. Elias 

 and its Glaciers. 169. — A. M. Edwards: Hudson River „Fiord". 182. — 

 F. A. Genth: Contributions to Mineralogy N. 52. With Crystallographic 

 Notes by S. L. Penfield. 184. — F. W. Clarke: Tschermak's Theorie 

 of the Chlorite Group and its Alternative. 190. — W. Upham: Recent 

 Fossils near Boston. 201. — F. B. Taylor: The Highest Old Shore Line 

 on Mackinac Island. 210. — C. E. Linebarger : Nature of Colloid Solutions. 

 218. — R. Pumpelly and C. R. van Hise : Observations upon the Struc- 

 tural Relations of the Upper Huroniau, Lower Huronian and Basement 

 Complex on the North Shore of Lake Huron. 224. — J. Throwbridge : 

 A Phasemeter. 232. — W. Hallock: Preliminary Report of Observations 

 of Deep Well Wheeling, West Virginia. 234. — T. W. Harris: Mount 

 Bob, Mount Ida, or Snake Hill. 236. — 0. C. Marsh: Discovery of Cre- 

 taceous Mammalia, Part III. 249. 



15) Proceedings of the American Philosophical Society, 

 heldatPhiladelphia. 8°. Philadelphia. [Jb. 1892. I. -477-.] 



Vol. XXIX. July— Dec. 1891. No. 136. — A. Heilprin: Observations 

 on the Flora of Northern Yucatan. 137. 



Berichtigung. 



S. 116 Z. 3 v. u. statt Anderström — Andersson. 



