xiv TABLE OF CONTENTS. 



ARTICLE VIL Observations on Terrestrial Maonetism in Mexico. Conducted under 



THE DIRECTION OF BaRON VON MiiLLER; WITH NOTES AND ILLUSTRATIONS 



OF THE Volcano Popocatepetl and its vicinity. By August Sonntag. 

 Pp. 92, and one plate. (Published February, 1860.) 



ARTICLE VIII. On certain Storms in Europe and America, December, 1836. By Elias 

 LooMis, LL. D., Professor of Natural Philosophy in the University of the 

 City of New York. Pp. 28, and thirteen plates. (Published February, 18G0.) 



