234 



Newcomb, Dr. S.— Description of New Shells 91-94, 103-104 



PoMPELLY, R. — Mineralogical Sketch of the Silver Mines of Arizona. 127-139 



Ransom, L. — Growth of Trees 3 



Declination of the Magnetic Needle 130-142 



Tkask, J. B., M.D.— Earthquakes in California in 1858 and 1859 38-39 



In 1860 90 



Veatch, John A., M.D. — Boracic Acid in the Pacific Ocean. 



Whitney, J. D. — Notice of Cinnabar from Nevada Territory 161 



On the Heights of the Highest Mountains of North America 219-223 



