62 



Prof. H. A. Rowland on a 



Elements. 



Fe/ 



Fe' 



"I 



Sr J 

 0* 

 Fe 

 gCa 

 Fe 

 Fe 

 Cr 

 Fe 



Fe} 

 Fe 

 Or . 

 Ca 

 Ca . 

 Cr , 

 ? 



Ca '. 

 Ca , 

 Sr . 

 Ti . 



Ca] 



G 



Fe I 



Ca . 



fFe . 



Or 



Fe 

 Fe ... 

 Ml 

 Cr I 

 ZrJ 

 Fe ... 

 Fe ... 

 dFe ... 

 Fel t 

 Ti j 

 Fe ... 

 Yal 

 Fe] 

 Cd ... 

 Fe ... 

 Ca ... 

 Ca ... 

 Ca ... 

 Fej ... 

 Ca§ ... 



In Arc. 



Inten- 

 sity. 



40 



50 

 4 

 5 



20 

 6 

 ? 

 1 



10 



15 

 5 

 4 



10 



"3 



6 



8 



10 



4 



7 

 4 



10 

 2 

 2 

 4 

 3 

 4 

 5 

 4 

 5 



15 

 2 

 1 



10 



Appear- 

 ance. 



In Sun. 



Inten 

 sity. 



5J 



3 



8 



!> 



1 



3 

 1 



5 

 5 

 10 

 3 

 1 



Appear 

 ance. 



d? 



Kind 

 of 

 Stand- 

 ard. 



0" 



Weight. 



M© 

 M© 

 ©" 

 M© 

 0' 

 0' 

 M© 

 



© 



M© 



M© 



M© 



M© 



M© 



©' 



M© 



M 



M 



M© 



© 



© 



© 



M©' 



M©' 



0" 

 0" 

 M©' 



© 



M© 



© 



M 

 M© 



M©" 

 M© 



M©" 



©" 



M©! 



In 



In 



Arc 



Sun. 



2 



22 



2 



4 





2 





18 



6 



3 



4 



2 



1 



22 



9 



10 



1 



1 



4 



3 



2 



15 



4 



3 





12 



8 



9 



1 



2 



2 



4 



3 



5 



2 



2 





14 



3 



5 



5 



7 



1 





4 



4 



10 



Wave- 

 length 

 in Arc. 



4199-257 

 420218' 



4215-688 

 4216-133 

 4222-396 

 4226-898 

 4250-300 

 4250-949 

 4254-494 

 4260-647 



Wave- 

 length 

 in Sun. 



4271-920 

 4274-954 

 4283-175 

 4289-527 



4289-884 



4299-153 

 4302-690 

 4305-636 

 4306-071 

 4307-906 



4308-072 

 4318-816 

 4325-932 



4352-908 



4369-948 

 4376-108 

 4383-721 



4404-928 



4413-181 

 4415-298 

 4425-616 

 4435-133 

 4435-856 

 4447-912 

 4454-949 



4199-263 



4202-188 

 4215-616 

 4215-667 

 4215-687 

 4216-137 

 4222-381 

 4226-892 

 4250-290 

 4250956 

 4254-502 

 4260-638 



4267-958 



4271-924 

 4274-958 

 4283-170 

 4289-523 

 4289-881 

 4293-249 

 4299-152 

 4302-689 



4306-071 

 4307-904 

 4308-034 

 4308-071 

 4318-818 

 4325-940 



4343-387 



4352-903 



4359-778 



4369-943 

 4376-103 

 4383-721 



4391-149 



4404-927 



4407-850 



4415-299 

 4425-609 

 4435-132 

 4435-852 

 4447-899 

 4454-950 



* First line in first head of carbon band, 

 t Unequal double, components being about -050 apart. 

 J There is a faint side line towards the red. 

 ' § There is a faint line close to violet side. 



