of the Rutherfurd Photographs. 213 



Table III. — (Continued.) Plate YIII : y Measurements. 



Star. 



y direct. 





y reversed. 







}4 m < ° r 









% m, or 









Scale minus Star. 









Scale minus Star. 







Line. 







K- 



-H 



Line. 







K—H 



Kretz. 



Hays. 



Kretz. 



Hays. 



15 



55 



0.0068 



0.0070 





).OI 



64 



0.54H 



0.5416 



—O.03 



15 













64 



05421 



0.5425 



— .02 



2 



51 



0.6239 



0.6241 



— 



.OI 



67 



0.9258 



0.9290 



— -19 



3 



37 



0.0348 



0.0326 



+ 



.12 



82 



O.5169 



0.5I94 



— -13 



4 



19 



0.9572 



0.9590 



— 



.08 



99 



O.5984 



0. 6002 



— .10 



6 



69 



0.2228 



0.2200 



+ 



•15 



50 



O.3288 



0.3249 



+ .21 



8 



69 



0. 9606 



O.9614 



— 



•03 



49 



0.5875 



0.5898 



— .12 



10 



48 



— .0029 



0.0000 



— 



•15 



7i 



0.5505 



0.55I2 



- .04 



11 



42 



0.2579 



O.2596 



— 



.09 



77 



O.2900 



0.2915 



— .08 



14 



75 



0.9466 



0.9432 



+ 



.16 



43 



O.6034 



0.6072 



— .20 



16 



20 



0.7739 



0.7724 



+ 



•07 



98 



O.7801 



0.7820 



— .11 



17 



38 



0.8599 



O 8614 



— 



•07 



80 



O.6928 



0.6949 



— .11 



18 



39 



0.7045 



0.7068 



— 



.12 



79 



O.8506 



0.8478 



+ .15 



20 



38 



0.9272 



0.9284 



— 



•05 



80 



0.6249 



6264 



— .08 



22 



70 



0.6700 



O.6721 



— 



.11 



48 



O.8775 



0.8769 



-r .°4 



23 



68 



0.1906 



0.1938 



— 



•17 



5i 



3525 



0.3596 



— -37 



24 



38 



0.3356 



o.3372 



— 



.08 



Sr 



0.2140 



0.2150 



— -05 



25 



48 



8722 



0.8729 



— 



•03 



70 



O.6748 



0.6775 



— .14 



26 



25 



08939 



0.8966 



— 



•13 



93 



O.6598 



0.66 1 1 



— .07 



27 



47 



0.7358 



0-7394 



— 



•19 



7i 



O.SlII 



0. 8096 



+ .08 



28 



58 



0.9688 



0.9678 



+ 



.04 



60 



O.5792 



0-5779 



+ -07 



29 



82 



0.5856 



05869 



— 



•07 



36 



0.9645 



0.9650 



— .04 



3i 



39 



0.2340 



0.2400 



— 



•32 



80 



O.3161 



0.3192 



— .16 



33 



17 



0.7346 



0.734I 



+ 



.03 



IOI 



O.8170 



0.8195 



— -14 







Schl. 



Kretz. 



8- 



K 





Schl. 



Kretz. 



S— K 



15 



55 



00095 



0.0072 



+c 



.12 



64 



0.54H 



0.5409 



+O.OI 



15 



55 



0.0105 



0.0076 



+ 



•15 



64 



0.5458 



0.5418 



+ .21 



1 



7o 



7176 



0.7158 



+ 



.09 



48 



0.8352 



0.8331 



+ .10 



5 



83 



0.9740 



0.9754 



— 



.09 



35 



0-5774 



0-575C 



+ .12 



7 



36 



—.0154 



—.0178 



+ 



•13 



83 



0.5680 



0.5670 



4- .05 



7A 



5i 



0. 2508 



0.2484 



+ 



•13 



68 



0.3062 



0.3025 



+ .20 



19 



80 



0.8938 



O.8884 



+ 



.28 



38 



0.6646 



0. 6609 



4- .20 



23 A 



69 



0.7815 



0.7792 



+ 



.12 



49 



0.7719 



0.7688 



+ .16 



32 



15 



0.4090 



0.4109 



— 



.IO 



104 



O 1476 



0. 1456 



+ .11 



33 



17 



0.7384 



0.7378 



+ 



•03 



IOI 



0.8194 



0.8171 



+ -13 



34 



5i 



0.1562 



0.1560 



+ 



.OI 



68 



0.3972 



0-3955 



+ .09 



35 



88 



0.4174 



0.4x50 



+ 



•13 



31 



0.1369 



O.I330 



+ .21 



36 



65 



0.8636 



0.8619 



+ 



.IO 



53 



0.6901 



0.6880 



+ .11 



37 



4i 



0. 7460 



0.7445 



+ 



.oS 



77 



0.8105 



0.8101 



+ .02 



38 



58 



0.7471 



0.7446 



+ 



•13 



60 



0.8075 



0.8049 



+ .14 



39 



65 



0.04 1 2 



0418 



— 



■03 



54 



0.5091 



0.5089 



+ .01 



40 



20 



O.0H69 



0.0869 





.00 



99 



0.4692 



0.4708 



— .08 



4i 



47 



O.4586 



0.4596 



— 



• 05 



72 



0.0951 



O 0960 



— -05 



42 



47 



0.3562 



0.3532 



+ 



.16 



72 



0.2010 



0. 1981 



+ .15 



43 



6r 



O.9I96 



0.9I35 



+ 



•3? 



57 



0.6349 



0.6349 



.00 



44 



81 



0.3348 



0.3334 



+ 



.07 



38 



0.2199 



0.2176 



+ .12 



45 



30 



O.477I 



0.4782 





.06 



89 



0.0745 



0.0785 



— .21 



