PLATE II. 



DESCRIPTIOy OP THE SnCEOPHOTOGRAPHS. 



Etch-figures are illustrated as follows : — 



2^0. 1. Actiiiolite type on (110), Zillerthal Actinolite, HF. x 88. 



No. 2. Kragen") sub-type on (110), Krageru Hornblende, IIF. X 78. 



No. 3. Tlie same on another variety, Kafveltorp Hornblende, x 78. 



No. .4. Philipstad sub-type on (110), (crystal face = outer zone), showing pits 

 with blunted lower end, riiilipstad Hornblende, HF. x 225. 



No. 5. The same on another crystal, showing pits characterized by a sharpen- 

 ing of the lower end. X 05. 



No. 6. Philipstad sub-type on (110), (one form on the cleavage surface of the 

 inner zones,) Philipstad Hornblende, HF. x 225. 



