NUMBER CXL. 



Am. IX.— Tertiary History of the Grand Canon District ; by 

 Clarexce E. Duttox.' With plate IV. 



X.— Relative Temperatures of the two Hemispheres of the 

 Earth; by William Febbel,... . 



tiie Barometric Pressure; by Albert A. Michelsost,. _. 



'athm'ot M *rhe Eastern 'an'.'l' \\ . .'!>' T.'r'ininal Moraines; 

 by T. C. Chambeblin, 



XIII.— The Floo.l of the ( onneetieut River Vallev from the 

 melting of the Quaternary Glaeier. 0. The question as 

 to the Elevation of the Land; bv -Tames 1). Dana, 



XIV.— Retar.hu i . . of Air-pressure 

 at High Stations; by II. A. IIa/kx, 



XV.— General Prineii>le>" of the X enelature of the Massive 



Crystalline Rocks; by A. W km»i:.u. Ja.-ksos, 



XVI.— The Minerals, mainh Zeolites, oeeurring in the basalt 

 of Table Mountain, near Golden, Colorado; by W. Cross 



