MAGNETIC ROTATORY POWERS. 765 



Protochloride of Phosphorus 275 



Bichloride of Carbon 321 



Sulphur SCI 393 



Protochloride of Sulphur S 2 C1 415 



Bisulphate of Carbon 422 



Chloride of Arsenic 422 



Bichloride of Zinc 437 



Melted Sulphur (114) 803 



,, Phosphorus (33) 1316 



Bichloride of Titanium 151 



Liquid Sulphurous Acid 153* 



Solidsi.\ 



(Ray D. Temperature, 15.) 



Crown Glass o'O2O3' 



Flint ,, 325 



,, ,, 416 



,, dense 574 



647 



Sylvine (KC1) 283 



Rock Salt (NaCl) 355 



Blende 2234 



Fluor Spar (i) 87 



(2) 98 



Spinelle (coloured by chrome) 209 



Diamond 127 



For the ray B, the rotation of selenium is 10*96 times, and the 

 rotation of sub-oxide of copper (zigudine) 14 times that of bi- 

 sulphide of carbon. 



Gases. 



(Ray D, under the atmospheric pressure, and at the ordinary 

 temperature.) 



Oxygen 6'28'.io~ 6 J 



Atmospheric Air 6*83^ 



Nitrogen 6*92^: 



Carbonic Acid 13'ooj 



Nitrous Oxide i6'9oj 



Sulphurous Acid 3i'39t 



Ethylene 34'48 



Sulphurous Acid (at 20, pressure 2460 mm.) . . 38'4O 



Bisulphide of Carbon (at 70, pressure 740 mm.) . 23'49 



* BlCHAT. Journal de Physique, Vol. IX., p. 275. 1880. 



f H. BECQUEREL. Ann. de Chim. et de Phys. [5], Vol. xn., p. 39. 1877. 



% H. BECQUEREL. Journal de Physique, Vol. ix., p. 270. 1880. 



BICHAT. Journal de Physique, Vol. ix., p. 275. 1880. 



