﻿232 



Prof. E. C. C. Baly 



on 



A and B series. He thus established four series which 

 he denoted by A, C, B, D, the C and the D series being- 

 connected with the A and the B series respectively. In 

 Table VI. are given the absorption lines of ^-xylene arranged 

 in reference to the line 1/X=3869 as centre, and the letters 

 refer to Mies" classification. 



Table VI. — ^-Xylene absorption (Mies). 



o X iu 









Infra-i 



ed bands. 



Angstroms. 



1/X. 



v x . 



Mean vx. 















Calc. 

 317 fi 



Obs. 

 3-25 fi 



2814 



3554 



315 



316 



2800 



3571 



298 



298 



3-36 



3-38 



A 2785 



3591 



278 



277-5 



3-60 





C 2771 



3609 



260 



258 



3-88 





B2757 



3627 



242 



241 



415 





D2744 



3644 



225 



222 



4-50 





A 2722 



3673 



196 



196-5 



509 



' 



2717 



3680 



189 





5-28 



5-30 



C2709 



3691 



178 



178 



562 





B2695 



3710 



159 



160 



6-25 



1 6-10 

 L 6-35 i 

 6-55 



2691 



3716 



153 





6-55 



2685 



3724 



145 





6-90 



6-90 



D2682 



3728 



141 



140-5 



7-12 





2680 



3731 



138 





7-25 



725 



A 2664 



3753 



116 



117 



8-55 



8-60 



2661 



3758 



111 



111 



904 



905 



2657 



3764 



105 



104 



9-60 



9-62 



C2650 



3773 



96 



97 



1031 



10-20 



2643 



3785 



84 



84 



11-90 



11-90 



B2637 



3792 



77 



78 



12-82 



12-58 



I) 2624 



3811 



58 



59 



16-95 





A 2611 



3830 



39 



39 



25-64 





C2598 



3850 



19 



195 



51-28 





B 2584 



3869 













D 2571 



3889 



20 



19-5 



51-28 





A 2558 



3908 



39 



39 



2564 





C 2545 



3929 



60 



59 



16-95 





B2533 



3948 



79 



78 



12-82 



12-58 i 



2530 



3953 



84 



84 



11-90 



11-90 



D252L 



3967 



98 



97 



10-31 



10-20 



2517 



3973 



104 



104 



9-60 



9-62 



2512 



3980 



111 



111 



904 



9-05 



A 2508 



3987 



118 



117 



8-55 



8-60 



C2494 



4009 



140 



1405 



7-12 



f 7-25 

 1 6-90 



B2483 



4028 



161 



160 



6-25 



f 6-35 

 1 610 



D2471 



4048 



178 



178 



5-62 



A 2460 



4066 



197 



196-5 



5-09 





2-447 



4087 



218 



222 



4-50 





B2434 



4109 



240 



241 



4-15 





2425 



4124 



255 



258 



3-88 





A 2412 



4146 



277 



277-5 



3-60 





C 2400 



4167 



298 



298 



3-36 



3-38 



B2389 



4186 



317 



316 



317 



3-25 



