HAGA AND F. M. JAEGER: THE SYMMETRY OF THE RONTGEN-PATTERNS PLATE IIL. 
OF MONOCLINIC CRYSTALS. 
Fig 8 Fig. 10. 
ee PL lel t 10). 
Gypsum. Plate parallel to (100). henna 
Fig. 11. Fig. 12. 
Gypsum. Plate parallel to (001). Epidote. Plate parallel to (100). 
ings of the Acad. of Sciences, Amsterdam XVIII Ao 1915/1916. HELIOTYPE, VAN LEER, AMSTERDAM 
