Vol. 7, 1921 
MINERALOGY: W. LINDGREN 
251 
Before the blowpipe the mineral fuses very easily to a brown liquid but 
gives no flame reaction for calcium. It gives strong bead reactions for 
vanadium. It is easily soluble, with apple green color, in HNO3, HC1, 
and dilute H 2 SOa. Upon the evaporation the solution gives a red or brown 
residue. In potassium hydroxide melanovanadite is easily soluble with 
brownish color. 
Editorial Note: — This issue of the Proceedings, those immediately pre- 
ceding, and those immediately to follow, have been seriously delayed by 
the nation-wide printers' strike which began on May first, 1921. 
The Editors and the publisher of the Proceedings desire to express 
their gratitude to the authors and to the subscribers for the patience 
which has been shown in respect to these trying delays and to assure 
them that all efforts are being made by all concerned toward getting the 
Proceedings back to regular and prompt publication with every indica- 
tion that success will be assured in the very near future. 
In such an emergency the printing of reprints has to be given second 
place as compared with the publication of the Proceedings but we hope 
to ship all reprints ordered without undue delay. 
In order to facilitate the issuance of delayed numbers it has been neces- 
sary to make up the various articles in some cases in an order materially 
different from that of their receipt. 
