1889.] On Salts of a Base containing Chromium and Urea. 345 



FIG. 2. 



o(100), c(001), 6(010), jp(212), 2(212), o(491). 



Elements and Angles. 



(100, 101) = 51 47# ; (010, 111) = 43 27' ; (001, 101) = 60 22'. 

 a : b : c = 1-214 : 1 : 1-343. 



Calculated. Observed. 



........ 55 38 55 41 



2ft ........ 39 10 39 4 



qb ........ 70 25 69 8 approx. 



ap ........ 56 50 57 



pq ........ 86 14 86 23 



pq ........ 93 46 93 45 



qa^ ........ 36 56f 36 53J 



cp ........ 64 4 64 4 



po! ........ 115 56 116 4 



pq l ........ 75 41 75 38 



pfr ........ 104 19 104 28 



c 1 q l ........ 40 15 



ao ........ 70 17J 70 6 



oa l ........ 109 42J 110 39 



co ........ 93 10 93 42 



cp ........ 86 50 86 8 



qo ........ 85 15 ~ 85 46 



oq ........ 94 45 94 15 



po ........ 47 27 47 24^ 



po l ........ 78 30 from 76 12 to 78 44' 



ca ........ 112 9J 112 2 



