EXPLANATION OF PLATE LXXIX. 



TorAZ. 

 Figs. 1,2. Carpet Snake Creek, near Torrington, N. S. Wales ; ortho- 

 graphic and clinographic projection. 

 Forms.—..- (001), b (010), m (110), O (560), M (2.30), I (120), it (250), g (130), 

 n (NO), f (021), y (041), h (203), d (201), i (223), u (111), o (221), 

 x (243). 



Gypsum. 



Fig. 3. Mt. Elliott Mine, Chillagoe, Queensland; twinned on c('W)). 



Orthographic projection on (010). 

 Forms.— 6 (010), m (110), 8 (350). 



