CONTENTS OF VOLUME XXIV. 



NUMBER CXXXIX. 



Art. I. — Contributions to Meteorology ; by Elias Loomis. 

 Seventeenth Paper. With three plates;. _. 



II. — The phenomena of Metalliferous Vein-formation now in 

 progress at Sulphur Bank. California: bv Joseph Lk- 

 CoxTKaml W. B. Rising, 



III.— Modes of occurrence of the Diamond in Brazil; by 

 r OrvilleA. Derby,... . ... 



anceof tin ( . i> .dimeter; by T. 

 C Mendenhail, 



V.— Further observations on the ervstalli/.ed sands of the 



Potsdam Sandstone of Wix-onsin : bv A. A. YToi n<;,. - - 



VI.— On the orioin of Jointed Struct ure : "bv G. K. Gilbert, 



VH.— Break-circuit arran-.-ments for transmitting Clock- 



SCIENTIFIC INTELLIGENCE. 



v. — Absorption-- -. 50.-- Liquc- 



r man -in i.k and Chaf&i is. N 



ernnrio oxide. H.uti;fki illk and I'liU'inas. 5s— Crystal- 

 - Gin os Iron i an \qu-» is So iti u. Heiir, 59.— Trans- 



[>i!Vf:,..-I 



the Geology and Mining 





r et Lancaster. To.— Lite in Hawai 

 . Wrioih Knight's Now Meet, am i 

 f Regents of the S) 



