G90 
INDEX. 
D. 
Dadoxylon, 469. 
De La Rue (W.) and Muller (H. W.). Experimental Researches on the Electric Discharge with the 
Chloride of Silver Battery.—Part IV. Tube potential, 477 (for index see p. 516). 
Descent, theory of, 569. 
E. 
Electric discharge in rarefied gases, 477 (see De La Rue). 
Electrical motions in a spherical conductor, 519. 
E. 
Foraminifera, 551 (see Carpenter). 
Fossil plants of the Coal-Measures, 459 (see Williamson). 
G. 
Glucinum, atomic weight of, 601. 
H. 
Hag-fish, 376 (see Parker). 
Halonia, 466 (see Williamson). 
Heart, influence of temperature on rate of, 663 (see Martin). 
Humpidge (T. S.). On the Atomic Weight of Glucinum (Beryllium) 601. 
L. 
Lamb (H.). On Electrical Motions in a Spherical Conductor, 519. 
Lamprey, 412 (see Parker). 
Lepidodendroidplants, 465 (see Williamson). 
M. 
Marsipohranch fishes, skeleton of the, 373 (see Parker). 
Martin (H. N.) The Croonian Lecture.— The Direct Influence of Gradual Variations of Temperature 
ujion the Rate of Beat of the Dog's Heart, 663—The method, 666; detailed results of experiments, 
674; conclusions, 686; references, 688. 
Meliolia, 583 (see Ward). 
Molecular forces, experiments hearing on the distance to which they may he sensible, 645 (see ReinOLp). 
Muller (H. W.) and De La Rue (W.) (see De La Rue). 
Myxinoidfishes, 373 (see Parker). 
