INDEX. 
55 
J. 
Japan , magnetic dip in, 137 (see Shadwell). 
Jenkin (F.). On Friction between Surfaces moving at Low Speeds, 509. 
L. 
Leyden jar, residual charge of, 509 (see Hopkinson). 
M. 
Magnetism, terrestrial, 461 (see Sabine). 
, , 137 (see Shadwell). 
Medusae, locomotor system of, 659 (see Romanes). 
Millepora, structure of a species of, 117 ; hy droid characters of, 130. 
Moonlight, effect of, on selenium, 315. 
Moseley (H. N.). On the Structure of a Species of Millepora occurring at Tahiti, Society Islands, 117. 
P. 
Parallel curves, 425 (see Casey) . 
Parasites, vegetable, on corallum of Millepora, 129. 
Parker (W. K.) . On the Structure and Development of the Skull in the Urodelous Amphibia, 529. — 
Skull of axolotl, 529 ; skull of the adult Proteus anguinus, 568 ; of Seironota perspicillata, 573 ; 
skull of adult Urodeles and Batrachians, 588; concluding remarks on the formation of the skull, 
591 ; desci’iption of plates, 595. 
Pedals, 397 (see Casey). 
Proteus, skull of, 568 (see Parker). 
Putrefactive and infective organisms, 149 (see Tyndall). 
Pye (W.) and Brunton (T. L.) (see Brunton). 
Q. 
Quartic, on the bicircular, 441 (see Cayley). 
R. 
Residual charge of the Leyden jar, 509 (see Hopkinson). 
Romanes (G. J.). Further Observations on the Locomotor System of Medusse, 659. 
Roscoe (H. E.) and Thorpe (T. E.). On the Absorption-Spectra of Bromine and of Iodine Mono- 
chloride, 207. 
S. 
Sabine (Sir E.). Contributions to Terrestrial Magnetism. — No. XV., 461. 
Seironota, development of the skull of, 573 (see Parker). 
Selenium, action of light on, 313 (see Adams). 
