xliv 
Proceedings. 
Knop, Dr. A. Beitrag zur Kenntniss der in den Diamantfeld- 
ern von Jagersfontein (Sud-Afrika) vorkommenden Miner- 
alien und Gesteine. (Presented by Dr. E. Cohen.) 
Knopf, Otto. Die Schmidt’sche Sonnentheorie und ihre An- 
wendung auf die Methode der spektroskopischen Bestim- 
mung des Rotation sdauer der Sonne. 
Krantz, Fritz. Krystallographische Untersuchungen von Ni- 
trolaminbasen und Verwandten Korpern. 
Kunz, Geo. F. Mineralogical Notes. 
-Precious Stones. 
■-On a large Garnet from New York Island. 
- Article on Precious Stones. 
-The Gem Collection of the U. S. Nation il Museum. 
-Gold and Silver Ornaments from Mounds of Florida. 
- Gold Ornaments from United States of Columbia. 
- On five Nev American Meteorites. 
King, George F. A New Method of Engraving Cameos and In¬ 
taglios. 
- Korean Curios. 
Lees, Jas. F. AIKANIK02 AOrON in'Euripides. 
Leverett, Frank. Studies in the Indiana Natural Gas Field. 
-On the Occurence of the “Forest Bed” beneath Intra- 
Morainic Drift. 
-On the Correlation of Moraines and Raised Beaches of 
Lake Erie. 
-(With Warren Upham and W. O, Crosby.) Pleistocene 
Fluvial Plains of Western Pennsylvania. 
-Discussion of the Climatic Conditions of the Glacial 
Period. 
-The Significance of the White Clays of the Ohio Region. 
Lewis, H. C. The Great Terminal Moraine across Pennsyl¬ 
vania. 
-Marginal Karnes. 
-A Great Trap Dyke across Southeastern Pennsylvania. 
Liebe, Theodor. Grundriss der Speciellen Botanik fur den 
Unterricht an hoheren Lehranstalten. 
Liebig, Prof. G. A., Ph. D. On the Electrostatic Force re¬ 
quired to Produce Sparks. 
