262 Prof. H. A. Rowland on the Relative Wave-lengths 

 Table II. — Wave-Lengths of Standard Lines. 



Weight. 



Wave-length. 



Weight. 



Wave-length. 



Weight. 



Wave-length. 





3169-4 



S«Z(?). 



4496-984 



2 



5036 029 





3261-6 



1 



4499-022 



3 



5049 944 





3347 9 



1 



4499-267 



S 



5060-188 





3329-50 



S 



4501-384 



s 



5064-773 





3406-50 



s 



4508400 



s 



5068-879 





3540-24 



2 



4554154 



2 



5083-460 





354531 



2 



4571214 



2 



5090-897 





3549-97 



2 



4572092 



2 



5097-071 





3564-64 



2 



4578-663 



3 



5105663 





3747-09 



4 



4588-320 



4 



5109-760 





3754-63 



4 



4590-055 



4 



5110-502 





3897-54 



2 



4602-107 



2 



5115495 





3916-82 



2 



4611-376 



2 



5121-730 





3924-70 



2 



4629 445 



2 



5126-309 





3925-38 



2 



4630-218 



2 



5127468 





3925-81 



2 



4643-580 



4 



5133812 





392615 



2 



4668-230 



3d 



5139-472 



2 



3942-54 



S 



4678-970 



2 



5141-845 





3950-45 



5 



4683 683 



2d 



5142-986 





395393 



S 



4686-344 



3 



5146-612 





3984-08 



S 



4690262 



3 



5150-957 





398554 



s 



4691-520 



2 



5154-157 





3987-000 



4 



4703110 



2 



5155-864 





4005 261 



2 



4703910 



3 



5159171 





4035-764 



2 



4727-565 



6 



5162-486 



2 



4048-821 



2 



4754-159 



2 



5165-518 



2 



4055-626 



2 



4805-186 



2d 



5167-499 t 



2 



4073-837 



S 



4823-630 



2d 



5169-094 § 



3d 



4083-748 



s 



4824-256 



3 



5171-714 



3 



4107-578 



s 



4859864 



2 



5172-795 (I 



3 



4114-530 



s 



4861-428 1 



3 



5173-838 



2 



4157-893 



2 



4890-885 



3 



5183-7351 



2 



4184-992 



1 



4900-039 



2d 



5188892 



2 



4199-190 



1 



4900-237 



2 



5193 071 



S 



4215-613 



s 



4903-409 



2 



5198-819 



S 



4222-323 



1 



4907-869 



3 



5202-422 



3 



4254-452 



2 



4919111 



2 



5204-646 



1 



4267-974 



3 



4920-632 



4 ...... 



5210-492 



4 



4293-201 



S 



4924-050 



2 



5215-277 



2d 



4307-961 * 



s 



4924-887 



2 



5217-488 



2 



4318-782 



2 



4934181 



2 



5225-617 



4d 



4325-924 



4 



4973294 



2 



5229-950 



2 



4337143 



4 



4978-712 



2 



5233 047 



2 



4343-304 



2 



4980-292 



2 



5241-599 



3d 



4352-865 



2 



4981-836 



S 



5250-334 



2(?).. 



4359-715 



2 



4994-251 



S 



5250-759 



2 



4369887 



2 



4999-626 



2 



5253-558 



S 



4376039 



2 



5005-838 



2 



5261-815 



2 



4391-089 



2 



5006-239 



S 



5269-649 ** 



2 



4407-797 



3 



5007-370 



Sd ... 



5270-429 ** 



2 



4447-848 



2 



5014-350 



2d 



5273-379 



S 



4494-667 



3 



5020-139 



2 



5276-138 



* Fraunhofer's G. 



§ Fraunhofer's b 3 . 



** Fraunhofer's E. 



t Fraunhofer's F. 

 || Fraunhofer's b u . 



X Fraunhofer's 6 4 . 

 51 Fraunhofer's h. 



