Theoretical and Physical. 



905 



7020 



Skinder. La decomposition de la 

 matiere devant le tribunal de la cbimie 

 j^hysique. (liusse) St. Peterburg, 1908. 



Surya. Triumph der Alcliemie. 

 (Transmvitation der Metalle.) Leipzig, 

 1908. 



Thomson. Die Korpuskulartlieorie 

 der Materie. 



Wood. 03490. Vorliandenseiu posi- 

 tiver Elektroneu im Natriuinatom. 



(Uebers.) 



7010 CLASSIFICATION OF ELE- 

 MENTS. 



Delaimay. 55548. Sj-mmetry in the 

 law of atomic weights. 



Brauu. 54757. Stellung der Ele- 

 mente der seltenen Erdeu ini periodi- 

 fechen System. 



Brauuer. Das periodische System 

 der Elemente von Mendelejew. Leipzig, 

 J 908. 



Jessup & Jessup. 57834. Evolution 

 and devolution of tLe elements. 



Ladenbiirg'. 58578. Beziehungen 

 zwisclien Atomgewichten und Eigen- 

 schaften der Elemente. 



Morozov. Mendeleev et I'importance 

 de son systeme periodique pour la chimie. 

 (Russej'^Moskva, 1£08. 



Fosclil. G0G57. Neue periodische 

 Funktion des Atomgewichtes. 



Verschoyle. 62910. The jDeriodic law. 



Woodiwiss. 63494.\. The chemical 

 elements. Periodicity, weight, and 

 valency. (53494b : Some of the non- 

 metallic elements in connection with 

 valency and specific gravity. 



7015 VALENCY. 



Benedict. 54326. Tiivalent cobalt 

 and nickel. 



Friend. 56442. [A new theory ofj 

 valency. 56444 : History of valency. 



Galecki. 5651G. Wiederbestimmung 

 der W'ertigkeit des Berylliums dunh 

 Kolloid ver suche . 



Jessup & Jessup. 57834. Evolution 

 and devolution of the elements. [Valency 

 as loss or gain of electrons.] 



Kauffmann. 58041. 58042. Elek- 

 tronentheorie und V^alenzlehre. 



Nef. 59982. Fundamental concep- 

 tions underlying the chemistry of the 

 element carbon. 59983 : Non-equiva- 

 lence of the four valences of the carbon 

 atom. 



Pope, Werner, Abegg', Kauffmann, 

 Hugo & Jaeger. G0G98. Discussion on 

 valency. 



Ramsay* G0391. [Valency repre- 

 sented in terms of electrons.] 



Ruglieimer. 6132G. Verbindungs- 

 fahigkeit der Metallatonie mit Atonien 

 gleicher Art. 



Sollas. 62076. Intimate structure 

 of crystals. [Valency volumes.] 



Stark. 6217 1. Valenzlehre auf 

 atomistisch elektrischer Basis. 



Thomlinson. 62586. Thermo-chemi- 

 cal equivalence and the thermo-chemistry 

 of nitrogen. 



Woodiwiss. 63494a. Chemical ele- 

 ments. Periodicity, weight, and valency. 

 63494u : Some of the non-metallic ele- 

 ments in connection witii valency and 

 specific gravity. 



Wyrouboff. 63530. Theorie de la 

 valence et la constitution des sels. 



7020 ALLOTROPY. 



Boeseken. 54578. Phosphorus. (Hol- 

 landisch.) 



Carson. 55097. Amorphous sulphur : 

 Study of the two forms of liquid sulphur 

 as dynamic isomers. 



Cohen. 55287. ,,Amorphes Anti- 

 mon". 



u. Olie. 



55292. Allotro- 

 (Holliindisch.) 



,,Amorphes Wis- 



pieeu des Phosphors. 



55293 



nuit". 



Colson. 55317. 55318. 55320. 

 Transformation des dissolutions de 

 phospliore bianc en phosphore rouge. 



Erdmann u. Reppert. 55981. Die 

 polyiueren Formen ties Arsenmetalls. 



Gallagher. 56521. AUotropie silver 

 and its colors. 



Gemez. 56604. Lenteurde la trans- 

 formation spontanee de la variete in- 

 stable aux basses temperatures de cer- 

 tains corps dimorphes. 



Kru5rt. 58453. Die dynamische 

 Allotropie des Schwefels. (Hollandais 

 et allemand.) 



