APPENDIX. 205 



DUFAY. On the Phosphorescence of Diamonds, etc. : Memoires 

 de VAcad. de Paris, 1730, and id. 1735. According to this 

 author, yellow diamonds are more apt to become phosphores- 

 cent than those of other tints. 



WILSON. Influence of the different rays of the Solar Spectrum 

 on Phosphoric Light : Journ. de Physique, t. xv. p. 92. 



BECCAEJA. De quamplurimis Phosphoris, etc. (Bologna, 1744), 

 and on luminous clouds, etc., quoted by Arago in the Annuaire 

 for the year 1838. 



VIANELLI. Nuove Scoperte intorno le Luci notturne dell' Acqua 

 Marina. (Venezia, 1749.) 



G-RIXELLINI. On the Luminous Scolopendra. (Venice, 1750.) 

 I am not acquainted with this work. 



CANTON. On his Phosphorus, in Phil. Trans., 1768. 



WEDGWOOD (Thomas). "Experiments and Observations on the 

 Production of Light from different bodies by Heat and by 

 Attrition : " Phil. Trans., 1792. 



HTJLME. Exp. on the Light which is spontaneously emitted 

 from various bodies, and on Solar Light : Phil. Trans., 1802. 

 In this remarkable paper Dr. Hulme states, " that solar light, 

 when imbibed by Canton's Phosphorus, is subject to the same 

 laws with respect to heat and cold as the spontaneous light of 

 fishes, rotten wood, and glowworms." 



VIVIANI. Phosphorentia Maris, etc. (G-enoa, 1805.) 



DESSAIG-NES. Papers on Phosphorescence, in Memoires de VA- 

 cademie de Paris, 1807, 1808. 



PEAESAL. " On Phosphorescence by Heat," etc.: Ann. de Chim. 

 2nd series, t. xlix. pp. 337, 346. " Electricity and Phospho- 

 rescence : " Journ. of the Royal Institution, vol. i. 



BEEWSTEK. " On Phosphorescence by Heat :" Edin. Phil. Mig. 

 i. 383. 



HEINEICH (Placidus). " On Phosphorescence after Insolation 

 and by Heat :" Journ. de Phys. Ixxi. 307. 



SEEBECK. " Exp. on Phosphorescence : " Comptes-Rendus de 

 VAcad. des So. de Paris, t. xiv. 



G-EOTHUS. " Exp. on Phosphorescence : " Schweiger's Journal, 

 xiv. p. 134. 



