INDEX. 
795 
I. 
Induction, electromagnetic, 466 (see Maxwell). 
J. 
Jones (T. R.) and Parker (W. K.). Foraminifera from the Atlantic Ocean, 325 (see Parker). 
K. 
Kopp (H.). Investigations of the Specific Heat of Solid Bodies, 71. — Historical introduction, 71 ; 
description of a method of determining the specific heat of solid bodies, 83 ; determination of the 
specific heat of individual solid substances, 103 ; table of the substances whose specific heat has 
been experimentally determined, 167 ; on the relations between atomic heat and atomic weight or 
composition, 177; considerations on the nature of the chemical elements, 199. 
L. 
Light, electromagnetic theory of, 497 (see Maxwell). 
M. 
Magnetic character of ships, 263 (see Evans). 
Marsupialia, cerebi’al characters of the, 633 (see Flower). 
Maxwell (J. C.). A Dynamical Theory of the Electromagnetic Field, 459. — Introduction, 459; on 
electromagnetic induction, 466 ; general equations of the electromagnetic field, 480 ; mechanical 
actions in the field, 488 ; theory of condensers, 493 ; electromagnetic theory of light, 497 ; calcu- 
lation of the coefficients of electromagnetic induction, 506. 
Meteorological registration of the chemical action of total daylight, 605 (see Roscoe). 
Monotremata, cerebral characters of the, 633 (see Flower). 
N. 
Nitrogen, different spectra of, 6 (see Plucker). 
O . 
Owen (R.). On the Marsupial Pouches, Mammary Glands, and Mammary Foetus of the Echidna 
Hystrix, 671. — Description of the plates, 685. 
P. 
Parker (W. K.) and Jones (T. R.). On some Foraminifera from the North Atlantic and Arctic 
Oceans, including Davis Straits and B n’s Bay, 325. (For Contents, see p. 325.) 
