182 



Spectrum, range of, 21 flf 

 Spinthariscope, 30 

 Steche, O., 65, 69 

 Stefan-Boltznuin Law, 22, 23 

 Stimulation and luminescence, 68 ff, 



135 

 Stoke's Law, 28, 31 

 Stylochwon, 72 

 Suohsland, B., 61 



Sulphides, phosphorescence of, 27 

 Sweat, luminous, 17 



TaUtrus, 13 



TarchanofF, J., 13 



Temperature and luminescence, 



use, 156 ff 

 Temperature radiation, 23 

 Thwumatolampae, 42 

 Thermoluminescence, 24 S 

 Tomopterug, 72 

 Transparency of chitin to infra 



red, 52 

 Trautz, M., 32, 33, 37, 39, 145 

 Triboluminescenoe, 32 ff 

 Trojan, E., 11, 78 

 Tschugaeff, L., 32 



Ultra violet raya in animal light, 



53 ff 

 Urine, luminous, 18 



INDEX 



Uses of luminous organs, 81 ff 



Vacuolides, 73 



van Helmont, 91 



van't Hoff, J. H., 147 



Vibrio, 65 



Ville and Derrien, 111 



Visual sensibility, 54 ff 



Watanabe, H., 75 



Watasenia, 104 



Water and luminescence, 85, 101 



Weiser, H. B. 



Welker, W. H., 121 



Wheeler and Williams, 77 



Wiedemann, E., 23 



Wiedemann and Schmidt, 25, 36 



"Will-o'-the-wisp," 15 



Wood, phosphorescent or shining, 



1, 2, 85 

 Worms or annelids, 3, 72 



X-rays or Rontgen rays, 21, 26, 30, 

 62 



Yatsu, N., 75 

 Young, C. A., 43 



Zacharias, O., 71 

 Zymogen granules, 73 



