38 



Prof. Wood and Mr. Magnusson on 

 Table I. 



Si 



iiiiiiiiii 







Prism No. 1, 



Angle 17' 3". 





X. 



fi. 



X. [x. 



X. ix. 



X. Li. 



7650 



1-920 



4798 1-387 



4610 1-449 



4295 ] -535 



7590 



1-970 



4792 1-387 



4568 1-460 



4270 1-533 



7350 



1-985 



4756 1-416 



4518 1-479 



4191 1-544 



7035 



2-050 



4753 1-401 



4442 1-496 



4108 1-547 



6887 



2-131 



4727 1-408 ' 



4380 1-523 



4065 1-557 



6856 



2-150 



4700 1-418 i 



4342 1-524 





4867 



1-380 



4637 1-434 







Prism No. 2, 



Angle 4/ 52". 



Prism No. 3, Angle 23' 59". 





X. 



n. 



X. 



Li. 





6680 



2-232 



7320 



2027 





658 L 



2-343 



6880 



2170 





5248 

 5183 

 5142 

 5048 



1-122 

 1-154 

 1-154 

 1-194 









Prism No. 4 7 



Angle 1' 17". 











5018 



1-266 



x. 



6636 







4958 

 4896 



1-280 

 1-350 



fX. 



2-309 







Prism No. 5 



Angle 24". 





X. 



fX. 



X. Li. 



X. p. 



X. [X. 



6675 



2-26 



6100 2-14 



5890 1-59 



5505 1-22 



6465 



2-35 



6070 2-06 



5800 1-57 



5400 1-12 



6335 



2-30 



6070 1-93 



5800 1-59 



5182 1-14 



6330 



2-35 



5995 1-86 



5680 1-45 



5065 1-22 



6245 



2-33 



5970 1-79 



5640 1-30 





6100 



2-10 



5890 1-65 











Prism No.. 6 



, Angle 32". 







X. 



fi. 



X. 



/*• 





6062 



1-88 



5610 



1-27 





5992 



1'81 



5895 



1-58 





5180 



1-12 



5310 



1-13 





4865 



1-33 



5183 



1-13 



P] 



-ism No. 



7, Angle 51". 



Prism No. 8, 



Angle 21' 3". 





X. 



(i. 



X. 



Li. 





6228 



2-25 



7236 



2-014 





5895 



3-67 



7236 

 4230 



2-020 

 l-f07 







Prism No. 9, 



Angle 2' 10". 







X. 



ii. 



X. 



Li. 





7230 



2-005 



5020 



1-240 





6830 



2-190 



4865 



1-375 





6720 



2-250 



4690 



1-40 





6570 



2-320 



4510 



1-51 





6555 



2-320 



4410 



1-50 



