INDEX. 
739 
M. 
Macropodidce, 197 (see Owen). 
Magnetic force at Bombay, 75 (see Chambers). 
Magnetism of the earth, variations of, produced by the sun’s rotation and the moon’s synodical and tro- 
pical revolutions, 387 (see Broun) . 
Magnetization, effects of stress on, 693 (see Thomson). 
Medusae, locomotor system of, 269 (see Romanes). 
Moseley (H. N.) . On the Structure and Relations of the Alcyonarian Heliopora caerulea, with some 
Account of the Anatomy of a Species of Sarcophyton, Notes on the Structure of Species of the 
Genera Millepora, Pocillopora, and Stylaster, and Remarks on the Affinities of certain Palaeozoic 
Corals, 91. — Introduction, 91 ; recent literature, 91 ; Heliopora, 96 ; Sarcophyton, 109; Millepora, 
112; Pocillopora, 114; Stylaster, 115; parasitic vegetable organisms, 116; postscript and con- 
clusions, 117 ; description of the plates, 123. 
N. 
Nauplius state of Lep as, 132. 
Nerves, development of the spinal, in elasmobranch fishes, 175. 
Nervous tissue, representative of, in Medusae (see Romanes) . 
0 . 
Owen (R.). On the Fossil Mammals of Australia. — Part X. Family MacropodiDjE : Mandibular Den- 
tition and Parts of the Skeleton of P alorchestes ; additional evidences of Macropus Titan, Sthenurus, 
and Procoptodon, 197. — Description of the plates, 223. 
P. 
Parker (W. K.). On the Structure and Development of the Skull in the Batrachia. — Part II., 601. — 
Introductory remarks, 601; skull of the common frog, 603; of the common toad, 605; of the 
clawed Cape toad, 625 ; of the Surinam toad, 648 ; of Pipa monstrosa, 660 ; concluding remarks, 
665 ; description of the plates, 666. 
Photometer , a new, 732. 
Placentation of the Lemurs, 569. 
Polarization of dielectrics, 489 (see Hopkinson). 
Priestley (J.). On the Physiological Action of Vanadium, 495 (for contents see p. 495). 
Putrefaction and infection, optical deportment of the atmosphere in relation to the phenomena of, 27 
(see Tyndall). 
R. 
Radiation, nature of the force acting on a body exposed to, 715, 725 (see Schuster, Reynolds). 
, repulsion resulting from, 325 (see Crookes). 
