124 
Analyses of pulaskites. 
3 A 
SIDE tae 57°88 60°20 
Oats seh accent 123 14 
Оо а попе попе 
N ID ran 14:80 20:40 
Her Orne te | 5°86 1:74 
ECO AE SE RN | 371 1:88 
МВ | 15 trace 
MOOD sans er none 104 
(OEM DS es Dal 2°00 
О. 912 6°30 
HOMMES | 3:06 | 6:07 
H,O above 110°.. | 90 | DS 
HS OM О ee || 123 ‘10 
ль | none "09 
SOS Sense | none | "13 
PSO! ее. | trace | 215 
Total... | 9965 | 10047 
SPEER | a | 
| 
3. Pulaskite, 3 meters above uppermost foyaite-bench, North 
Siorarsuit, $. Greenland, С. Wintrer, analyst. 
A. Pulaskite, Fourche Mt., Arkansas. H. $. Washington, ana- 
lyst (Journal of Geology, IX, 1901, p. 609). 
of the prevalent dark mineral was used as a basis of classi- 
fication. 
NEPHELINE-SYENITES. 
The family of nepheline-syenites in the usual sense of the 
word comprises both leucocratic types, as the ordinary fovaites, 
