PLATES. 



I. Illustrative of Mr. J. Rose-Innes's Paper on the Isothernials of 



Isopentane. 



II. & III. Illustrative of Dr. D. K. Morris's Paper on the Magnetic 



Properties and Electrical Resistance of Iron as dependent upon 

 Temperature. 



IV. Illustrative of Prof. D. B. Brace's Paper on Light Propagated in 



a Dielectric Normal to the Lines of Force. 



V. Illustrative of Prof. J. A. Fleming's Paper on a Method of determining 



Magnetic Hysteresis loss in Straight Iron Strips. 



ERRATA. 



Page 256, last line. For 1 '6.10- " read P6.10 7 C.G.S. 



„ 461 (Dr. Wildermann's paper) in lines 19 and 21, p. 463, lines 2-3, 

 and throughout the paper, for solid solvend read solidified solvent. 



