488 



MEASUREMENTS OF CRYSTALS. 



PYROXENE. (Continued.) 



Figs. 218 and 219. Twins from Putnam 

 county. 



Fig. 220, et seq. 



M ono 145° 9' 



Mona; 134 17 



I ona: .. 114 26 



r on t . . 106 6 



r on a; 126 36 



X on a; 131 8 



u on u 131 8 



HORNBLENDE. Fig. 223 (4«) to 250 inclusive. 

 Page 298. 



Fig. 223 {bis). The primary, an oblique 

 rhombic prism. 



HORNBLENDE. 



MonM' I2403O' 



MorM'onP 103 1 



Fig. 224, et seq. 



Mons 152°17' 



M'ona- 117 43 



k onk* 155 4 



k ona? 102 22 



I onl 110 2 



I ona- 105 11 



i on a; - 129 8 



r onr 149 38 



r on a? .... .. 105 11 



Incorrectly 55° 4' on page 301. 



