748 
INDEX. 
G. 
Glazebrook (B. T.). On the Befraction of Plane Polarized Light at the Surface of a Uniaxal Crystal, 
595. 
Gunpowder, chemical theory of, 523. 
L. 
Lepidosteus, structure and development of, 359; systematic position of, 430. 
Lepidosteus osseus, development of the skull in, 443. 
Lewis (W. B.). On the Comparative Structure of the Brain in Bodents, 699.—External conformation 
of brain in the Bat and Babbit, 699; central projections of the olfactory organ, 726. 
N. 
Nova Scotia , animal remains found in erect trees in, 621. 
O. 
Ohm, value of, 661 (see Bayleigh). 
P. 
Parker (W. K.). On the Development of the Skull in Lepidosteus osseus, 443. 
Parker (W. N.) and Balfour (F. M.) (see Balfour). 
Polarized light, refraction of, at the surface of a uniaxal crystal, 595. 
B. 
Bayleigh (Lord). Experiments to determine the Value of the British Association Unit of Besistance in 
Absolute Measure, 661.—Measurements of the coil, 672; theory of the ring currents, 675; correction 
for level, 684; other corrections, &c., 685; reduction of results, 687; comparison with the standard 
B.A. units, 696. 
Bodents , structure of brain in, 699 (see Lewis). 
