756 
INDEX. 
Shadwell (Sir C.). A Contribution to Terrestrial Magnetism; being the Record of Observations of 
the Magnetic Inclination, or Dip, made during the Voyage of H.M.S. ‘ Iron Duke ’ to China and 
Japan &c., 1871-75, 137. 
Skull , structure and development of, in the Urodelous Amphibia, 529 (see Parker). 
Spottiswoode (W.) . On Hyperjacobian Surfaces and Curves, 351. 
T. 
Tangential equation , a new form of, 367 (see Casey) . 
Temperature, effect of, on residual charge, 615. 
Thermoelectric place of selenium, 342. 
Thermometer, use of a selenium bar as a, 316. 
Thorpe (T. E.) and Roscoe (II. E.) (see Roscoe). 
Tyndall (J.). Further Researches on the Deportment and Vital Persistence of Putrefactive and 
Infective Organisms from a Physical Point of View, 149. — Experiments of Pasteur, Roberts, and 
Cohn, 151 ; desiccation of germs, 158; infusions of substances in which germs could not be desic- 
cated, 163; experiments with calcined air, 169; experiments in the Kew Gardens, 172; Resist- 
ance-limit of germs to the temperature of boiling water, 175; experiments with filtered air, 180 ; 
resistance in acid and neutral liquids, 183 ; germs of Bacteria as distinguished from Bacteria 
themselves, 189; sterilization by discontinuous heating, 192; mortality of germs through defect of 
oxygen, 195 ; through excess, 201 ; flasks exposed to the sun of the Alps, 203 ; remarks on her- 
metic sealing, 204. 
U. 
Urodelous Amphibia, structure and development of the skull of the, 529 (see Parker). 
V. 
Verdet’s Constant, determination of, in absolute units, 1 (see Gordon). 
W. 
Williamson (W. C.). On the Organization of the Eossil Plants of the Coal-measures. — Part VIII. 
Ferns ( continued ) and Gymnospermous Stems and Seeds, 213. 
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