INDEX 



Abbe's condenser, 



Aberration, Chromatic, 344 



, Correction for, in micro- 

 scopes, 359 



of the eye, 394 



, Spherical, 347 



Absorption bands, Mode of de- 

 monstrating, 333 



of carbonic oxide haemo- 

 globin, 327 



of hsematin, 328 



of niethaemoglobin, 328 



of oxy haemoglobin, 326 



of reduced haemoglobin, 



326 



of sunlight, 321 



by endosmosis, 261 



by lymphatics, 266 



of gases by liquid, 291 



of heat, 461 



Acceleration due to gravity, 504 



Accessory circuit, 56 



magnet, 107 



Accommodation of the eye, 383 



, Kange of, 3S7 



Achromatic lens, 347 



lenses, Combination of, 360 



Achromatism, 347 



Acuteness of vision, 383 



Adhesion, 239 



Air pump, 280 



, Sprengel's, 2 C 2 



Albumen, Diffusion of, 259 



, Filtration of, 269 



in iirine, 205 



, Units of heat yielded on oxy- 



dation of, 456, 482 



Alcoholimeter, Gay-Lussac's, 204 



Althaus on electricity for aneu- 

 rism, 167 



Amalgamated zinc, 18 



Amalgamating fluid (Berjot's), 

 114 



Amber, 1 



Amici's object-glass, 360 



Ampere's laws, 94 



Amplitude of vibration, 298 



- of pendulum, 5i)6 



Anaesthesia, Production of, by 

 evaporation of ether, 474 



Analyser of polariscope, 402 



Analysis of light, 319 



of sound by Koenig's appa- 

 ratus, 440 



, Spectral, 323 



Anderson, McCall, on electricity 

 in aneurism, 167 



Anelectric, 4 



Anelectrotonus, 82 



Aneroid barometer, 278 



Angle, Critical, 310 



of aperture, 360 



of deviation, 312 



of incidence, 301 



of polarisation, 404 



of reflection, 301 



-r-, Visual, 382 



Animal heat, 481 

 , Kegulat-'on of, 483 



-T mechanics, 07 



Anions, 53 



Anisotropous, 402 



Anode, 52 



Anomalies of accommodation, 388 



of refraction, 388 



Aperiodic needle of galvanometer, 

 110 



Aperture, Angle of, 360 



of mirror, 303 



Arago and electro-magnet, 54 



, experiments on pressure of 



gas, 272 



Archimedes' principle, 195 



Areometer, 2ol 



Armature of Holtz' machine, 10 



of magnet, 93 



Arterial tension, 221 



Arytenoid muscles, 449 



Asculine, Fluorescence of, 327 



Association of cells in groups, 31 



Astaticism, 98 



Astigmatism, 391 



