42 



L. VEGARD. 



M.-N. Kl. 



The modified form ' of the hypothesis of recombination from se- 

 condaries leads to the following constitution of the electronic systems 

 nearest to the nucleus. 



I /i-system with quantnumber i consisting of 3 electrons. 

 I /--system — » — 2 — » — 7 — 



I i/-system — » — 3 — » — 12 — 



Fig. 5. 



The inner electronic systems and the way in which some of the 

 principal lines are produced on the assumption of recombination from 

 »secondaries« are illustrated in fig 5. 



Our theory leaves no doubt with regard to the niimher of electrons 

 of the K- and L-system; but as regards the constitution of the i¥-system 

 we are on less certain ground, and we might quite as well suppose two 

 ilZ-systems with quantnumber 3. 



