a) Hornblende from quart2g ra no-liparose), Quincy, Blue Hills, Mass., 



analysis ixom.qua.rtz- p . T 8i. 



Yosemite Valley, Cal 2 y ?i San Miguel, Azores, Rosenbusch, El. 



Surv., p. 208, and A 

 i) Hornblende from quartzieffie- syenite , Kangerdluarsuk, Greenland, 



tion, Butte, Mont, i, p. I2 2. 



c) Hornblende (green) frorri pantelleritc (felso-varingose) Khartibugal, 



blende-dacite (ban<n, El. Gest., p. 257. 



Gata, Spain, RosENBg- syenite, Julianehaab, Greenland, Rosen- 



d) Homble7ide from quart. 



Table Mountain, Calj(felso-liparose), San Pietro, Sardinia, Rosen- 



>oo 

 100 

 107 

 >i4 

 )03 



>95 

 >oo 



)O0 



>40 

 :6 5 

 >oo 

 >30 

 >oo 

 >oo 

 >oo 

 100 



