230 PROCEEDINGS OF THE MIXERALOGICAL SOCIETY 



ANALCITE FROM NOVA SCOTIA. WITH A DISCUSSION OF AXALC1TE ANALYSES 



IN GENERAL 



BY A. L. PARSONS 



SILICATES OF THE CONTACT LIMESTONES OF CRESTMORE, CALIFORNIA 



BY ARTHUR S. EAKLE 



TWO CORRECTIONS TO MINERAL DATA 

 BY X. L. BOWEN 



XEW SOURCE OF MONOCHROMATIC LIGHT 

 BY ALBERT B. PECK 



CARE OF MUSEUM SPECIMENS 

 BY A. L. PARSONS 



INDEX MINERALS FOR THE INTERPRETATION OF GEOLOGICAL HISTORY 



BY J. J. RUNNER 



