MINERALS. 313 
MOLYBDIC OCHER. 
A. From Renfrew, Ontario. 
B. From Westmoreland, New Hampshire. 
C. From Telluride, Colorado. 
D. From Hortense, Colorado. ° 
E. From California, exact locality unknown. Analyses by W. T. Schaller; A, C, 
and E on very little material. 
a By difference. 
URANINITE. 
Analyses by W. F. Hillebrand. Discussed in Bulls. 78 and 90. In the original 
publications the gaseous constituent of uraninite was supposed to be nitrogen, as 
indeed it was in part. The discovery of helium, however, has shed new light upon 
the subject, and the analyses have been corrected accordingly. 
A,B,C, D, E. Crystallized uraninite from Hale’s quarry, Glastonbury, Connecticut. 
Nitrogen was certainly present in these specimens. 
La, Di)203 
a Er) 9082, <acesis 
C70 sioweastindichicnuines tdenaAtoaicreanocansyucumnenadnaceee 
