Optical Properties, 



972 



7320 



Bogenlamj^en verschiedeuer Konstruk- 

 tion. 



Lyman. 59183. Spectnnn ol' !iy- 

 drogeii in tlie region of extremely short 

 Avave-ieiigth. 



Meisenbach. 59540. Roter 'J'eil des 

 iiiit Culciumchlorid erzeugten Bogeu- 

 spelitiTims. 



Moore. 59799. Zerlegung der Spek- 

 trallinien von Barrain, Yttrium, Zirkoii 

 und Osmium im magnetischen Fekle. 



Nasini e Anderlini. 59970. Esame 

 spettroscopico col metodo del Bunsen 

 dei prodotti vulcanici. 59971 : Osser- 

 vazioni spettroscopiclie ad altissime 

 temperature. 



e Salvador!. 59974. 



Emanazioni terrestri italiane. II. Gas 

 del Vesuvio e dei Campi Flegrei, delle 

 Acqne Albule di Tivoli, del Bulicame 

 di Viterbo, di Pergine, di Salsomaggiore. 



Nichols & Day. 60039. New groups 

 of residual rays in the long-wave 

 sjDecitrum. 



Paschen. (i03f'>l. Ultrarote Linien- 

 spektra. 1. (Normal wellenlangen bis 

 27000 A.-E.) 



Paterno e Mazzucclielli. 60379. 

 Colore azzurro dello zolfo e di taluni 

 suoi composti. 



Pfliiger, A. 60532. Gesetze der 

 Temperaturstrahlung und die lutensi- 

 tatsverteihmg iui Sjjektrum der Queck- 

 silberlampe. 



Pfund. 60535. Redetermination of 

 the wave-lengths of the iron lines. 



Pollok & Leonard. 60679. Quanti- 

 tative spectra of cerium, lanthanum, and 

 yttrium. 



RetscMnsky. 61015. Einfluss der 

 Temperatur und des Aggregatzustandes 

 auf die Abscrptionsspektra der ge- 

 schmolzenen Salze. 



Ritz. 61138. Spektren der Alkalien. 



Rogovskij. 61185. Changements du 

 spectre de I'hydrogeue produits par les 

 fortes deeharges de longue duree. 

 (Coimu. jjrelim.) (Russe.) 



Rutherford & Royds. 61388. 

 Spectrum of the radium emanation. 



Sfierbafiev. 61505. L'application de 

 la methode de Tanalj-se spectrale a la 

 recherche des solutions. (Russe.) 



Schwetz. Spektrum des Wismuths. 

 Diss. Bonn, 1908. 



Stahli. 62157. Gesetzmassigkeiten 

 im Aufbau der Spektren. 



Trowbridge. 62716. Spectra of 

 gases at high temperatures. 62717 : 

 Applil^ation of high electromotive force 



to spectrum analysis. 



Urbain. 62827. Le spectre d'etin- 

 celle ultra-violet du dysprosium et 

 les proprietes magnetiques remarqua- 

 bles de cet element. 



Watson. 63136. Spectrum of the 

 lighter constituents of the air. 



Wiedemann u. Pospielow. 63324. 

 Eniissionsspektra der JMetalldam23fe von 

 Kadmium und Zink in Eutladungs- 

 rohren. 



Wood, R. W. 63489. Magnetic 

 rotation of vapors. 63490 : Existence 

 of positive electrons in the sodium atom. 

 [Magnetic rotation spectrum.] 63491 : 

 Resonance spectra of sodium vapour. 

 63492 : E.\tension of the principal series 

 of the sodium spectrum. 



Wustenfeld. 63522. Selektive Emis- 

 sion. Diss, ^lai'burg, 1908. 



Absorption Spectra. 



Anderson. 53808. Absorption spec- 

 trum of neodymiuui in mixed solvents. 

 53809 : Absorption and emission spectra 

 of the salts of neodyniium and erljium. 



Baly, E. C. C, Collie & Watson. 



54051. Relation between absorption 

 spectra and chemical constitution. XIII. 

 Pyrones and allied compounds. 



& Desch. 54052. Ultra- 

 violet absorption spectra in relation to 

 physico-chemical processes. 54053 : 

 Xitroso- and nitro-groups. 



■ & Marsden. 54054. XII. 



Amino-aldehydes and -ketones of the 

 aromatic series [namely, o- and p-amino- 

 benzaldeliyde, o-aminobenzaldoxime, p- 

 dimethylamiuobenzaldehyde, o- and p- 

 aminoacetophenone and 4 : 4'-tetrame- 

 thyldiaminobenzophenone]. 



& Schaefer. 54055. X. Un- 

 saturated acids of the benzene series. 



&Tuck. 54056. XL Aroma- 



tic hydrocarbons [naphthalene, acenaph- 

 tliene, acenaphthylene, fluorene, chry- 

 sene, anthracene, phenanthrene, di-.j 

 phenyl and dibenzyl]. 



