INDEX OF AUTHORS. 385 



Poey (A.). Chemical Effects of the Solar Sp., 102 ; Ultra- Violet Solar 



Sp., 130. 

 Poggendorff (J. C). History, 6. 

 Porro. Comets, 71 ; Longitudinal Rays, 281. 

 Powell (J. Baden). History, 6. 



Prazmowskt. Apparatus, 25 ; Comets, 71 ; Aurora, 139; Color, 198. 

 Preyer (W.). Quantitative Analysis, 50; Carbon Compounds, 158. 

 Priestley (Dr. J.). History, 6. 

 Prillieux. Density, 208. 

 Pringle (G. H.). Aurora, 139. 

 Pringsiieim. Absorption, 57; Red End of the Solar Sp., 124; Solar 



Wave-Lengths, 132; Chlorophyll, 193, 194; Red End of the 



Spectrum, 322. 



Pritchard (C). Analysis, 46. 



Proctor (H. R.). Apparatus, 21, 22; Electric, 223. 



Proctor (R. A. ). Book, 9 ; Apparatus, 11 ; Astronomical in general, 



68; Solar in general, 95; Aurora, 139. 

 Prytz (K.). Constants, 200. 

 Puiseux (A.). Eclipses, 109. 



Pulfrich (C). Absorption, 57 ; Wave-Lengths, 356. 

 Pulsifer (W. H.). Apparatus, 30. 



Quincke (G.). Apparatus, 18 ; Diffraction, 211 ; Liquids, 277; Optics, 

 306. 



Radau (R.)- Book, 9 ; Apparatus, 27. 



Rabzizewski (B.). Phosphorescent, 314. 



Ranvier (L.). Carbon Compounds, 158. 



Rayet (G.). Astronomical in general, 70; Comets, 72, 78; Solar At- 

 mosphere, 100 ; Solar Eclipses, 109 ; Solar Protuberances, 119 ; 

 Sun-Spots, 126; Aurora, 139. 



Rayet et Andre. Comets, 72. 



Rayleigh (Lord). Apparatus, 18; Analysis, 46; Color, 198; Energy, 



227 ; Optics, 30G ; Ultra- Violet, 349. 

 Redtenbaciier (J.). Mineral Waters, 297. 

 Reformatory (S.). Hydrocarbon, 175. 

 Regimbeau. Analysis, 46. 

 Reich (F.) und Riciiter (Th.). Indium, 261. 

 Reimann (M.). Aniline, 163. 



Reinke ( J.). Analysis, 46. 9 



25 t 



