OP ARTS AND SCIENCES. 267 



Bi Left. Atomic mass 110.8. 



(47) 0.683G gr. gave 0.3289 gr. RgOg = 48.11 per cent. 



(48) 0.2344 gr. " 0.0904 gr. CPa = 38.57 " 



Ai Right. Atomic mass 94.75. 



(49) 1.2740 gr. gave 0.4976 gr. RgOg = 39.65 per cent. 



(50) 0.2998 gr. " 0.1065 gr. CoOg = 35.51 " 



Bj Left. Atomic mass 117.4. 



(51) 0.4327 gr. gave 0.2157 gr. R2O3 = 49.84 per cent. 



(52) 0.2860 gr. " 0.1089 gr. C2O3 = 38.07 " 



' A2 Left. Atomic mass 98.35. 



(53) 0.7897 gr. gave 0.3714 gr. R2O3 = 47.03 per cent. 



(54) 0.3772 gr. " 0.1566 gr. C2O3 = 41.52 



B3 Left. Atomic mass 122. 



(55) 0.5910 gr. gave 0.2803 gr. R2O3 = 47.43 per cent. 



(56) 0.2023 gr. " 0.0710 gr. C2O3 = 35.09 



u 



A3 Left. Atomic mass 102.8. 



(57) 0.4472 gr. gave 0.2137 gr. R2O3 = 47.78 per cent. 



(58) 0.3067 gr. " 0.1248 gr. C2O3 = 40.70 



Ai Right. Atomic mass 94.75. 



(59) 1.2740 gr. gave 0.4976 gr. R.Og = 39.05 per cent. 



(60) 0.2998 gr. " 0.1065 gr, C2O3 = 35.51 « 



A2 Right. Atomic mass 91.65. 



(61) 1.0032 gr. gave 0.3948 gr. RoOg = 39.37 per cent. 



(62) 0.5057 gr. " 0.1856 gr. C2O3 = 36.77 



B2 Right. Atomic mass 98.6. 



(63) 0.7353 gr. gave 0.3291 gr. R2O3 = 44.75 per cent. 



(64) 0.3343 gr. " 0.1318 gr. C2O3 = 39.43 



A3 Right. Atomic mass 89.5. 



(65) 0.4864 gr. gave 0.2146 gr. R0O3 = 44.12 per cent. 



(66) 0.2212 gr. " 0.0929 gr. C2O8 = 42.00 



Bs Right. Atomic mass 92.35. 



(67) 0.5183 gr. gave 0.2238 gr. RjO., = 43.17 per cent. 



(68) 0.2080 gr. " 0.0834 gr. C2O8 = 40.07 



