TAIiLE OF CONTENTS. ix 



PAGE 



J. S. NEWBERRY AND BASHFORD DEAN. 



Colored Marbles from new localities (January 27, 1890) 95 



W. "W. NEWELL, 



The Study of Folk-Lore (March 24, 1890), abstract 134 



M. I. PUPIN. 



The Relation of certain Thermodynamical Phenomena of Liquid 

 Solutions to the economy of Nature (April 7, 1890), tvithout ab- 

 stract 138 



JOHN K. REES. 



The Total Solar Eclipse of December 23, 1889 (November 25, 1889).. 47 

 Additional notes on the Eclipse of December 22, 1889 (November 

 25, 1889) §2 



E. N. S. RINGUEBERG. 



On certain Crinoidea of the Lower Niagara Limestone at Lockport, 



N. Y., with descriptions and new species (April 14, 1890), title. 189 



W. H. J. SIEBERG AND A. C. CHENOWETH. 



An Account of the Recent Excavations in Ancient Mounds at In- 

 wood, New York City (May 12, 1890), brief abstract 199 



F. G. WIECHMANN. 



A Study of some Louisiana Cane Juices, Sugars, and Molasses (Feb- 

 ruary 24, 1890), title 108 



LECTURES OF THE PUBLIC COURSE OF 1889-90. 

 December 2, 1889. 



F. COPE WHITEHOUSE, ESQ. 



The Raiyan-Mceris, and the Irrigation of Ancient and Modern 



Egypt 55 



December 16, 1889. 



[CAPT. A. T, MAHAN, U. S. N. 



The strategic Features of the Gulf of Mexico and the Caribbean Sea 71 



