of the Rutherfurd Photographs. 20*7 



Table III. — {Continued.) Plate IV: y Measurements. 



Star. 



y direct. 



y reversed. 





%m 



, or 









V%m 



, or 









Scale minus Star. 









Scale minus Star. 







Line. 







8- 



K 



Line. 







8— K. 



Schl. 



Kretz. 



Schl. 



Kretz. 



15 



54 



0.3544 



0.356I 



— O 



.09 



65 



0.1952 



O.I934 



+O.IO 



15 



54 



0.3545 



0.3578 



— 



•17 



65 



0.1926 



0.1939 



— .07 



2 



50 



0.9360 



0.9344 



+ 



•07 



68 



0.6195 



0.6199 



— .02 



3 



36 



0.3470 



O.3464 



+ 



•03 



83 



0.2059 



0. 205 1 



+ .04 



4 



19 



0.2672 



O.269I 



— 



.IO 



100 



0.2875 



0.2898 



.12 



6 



68 



0.5526 



0.5525 



+ 



.OI 



50 



0.9996 



1. 0015 



.12 



8 



69 



O 2996 



0.3001 



— 



•03 



50 



0.2510 



0.2481 



+ .15 



10 



47 



0.3356 



0-3349 



+ 



•03 



72 



0.2148 



0.2164 



— .08 



11 



4i 



0.5992 



O.5962 



+ 



.16 



77 



0.9564 



0.9561 



+ -03 



14 



75 



0.2926 



O.2945 



— 



.IO 



44 



0.2558 



0.2565 



— .04 



16 



20 



0.1172 



0.1185 



— 



.07 



99 



0.4378 



0.4361 



+ -09 



17 



38 



0.2076 



0. 2078 



— 



.OI 



81 



0.3446 



0.3442 



+ .02 



18 



39 



0.0536 



O.0534 



+ 



.OI 



80 



0.4979 



0.4991 



— .06 



20 



38 



0.2798 



O.2785 



+ 



.07 



81 



0.2716 



0.2736 



— .11 



22 



70 



0.0256 



O.0255 



+ 



.OI 



49 



0.5252 



0.5246 



+ -°3 



23 



67 



0.5522 



0.5525 



— 



.02 



52 



— .0032 



0.0002 



— .18 



24 



37 



0.6928 



O.6925 



+ 



.02 



81 



0.8572 



0.8588 



.IO 



25 



48 



0.2345 



O.2330 



_l_ 



.08 



71 



0.3*55 



0.3162 



— .04 



26 



25 



0.2515 



O.2508 



+ 



.04 



94 



0.3014 



0.3042 



— -15 



28 



58 



0.3315 



0.3305 



+ 



.05 



61 



0.2180 



0.2182 



— .01 



29 



81 



o.9495 



0.9505 



— 



.06 



37 



0.6024 



0.6021 



-f- .02 



33 



17 



0.1019 



O.0998 



+ 



.11 



102 



o.4535 



0-4555 



— .11 



15 



54 



0.3538 



O.3568 



— c 



>''i5 



65 



0.195 1 



0.1922 



+0.15 



15 



54 



0.3562 



0-3579 



— 



.08 



65 



0.1929 



0. 1904 



+ .13 



1 



70 



0.0282 



0.0304 



— 



.12 



49 



0.5239 



0.5224 



+ .07 



5 



83 



0.2979 



O.2979 





.00 



.36 



0.2529 



0.2540 



— .06 



7 



35 



0.3186 



O.3182 



+ 



.02 



84 



0.2356 



0.2362 



— -03 



7A 



50 



0.5930 



0.5936 



— 



.03 



68 



0.9646 



0.9656 



— -07 



19 



80 



0.2471 



O.2455 



+ 



.08 



39 



0.3060 



0.3088 



— .15 



23A 



69 



0.1386 



O.1401 



— 



.08 



50 



0.4115 



0.4120 



— -03 



27 



47 



0.0961 



O.0966 



— 



•03 



72 



o.4552 



0.4564 



— .06 



3i 



38 



0.5966 



0.5961 



+ 



.02 



80 



0.9584 



0.9589 



— .04 



32 



14 



0.7720 



O.7728 



— 



.04 



104 



0.7861 



0.7886 



— -13 



33 



17 



0.1015 



O.IO24 



— 



.05 



102 



o.4555 



0.4562 



— .04 



34 



50 



0.5242 



0.5254 



— 



.06 



69 



0.0256 



0.0276 



— .11 



35 



87 



0.7922 



O.7922 





.00 



3i 



0.7645 



0.7664 



— .10 



36 



65 



0.2356 



0.2331 



+ 



•13 



54 



0.3152 



0.3I54 



— .01 



37 



4i 



O.IIII 



O.III5 



— 



.02 



78 



0.4406 



O.44I0 



— .02 



38 



58 



0.1 198 



0.1 186 



+ 



.06 



61 



0.431 1 



0.4320 



— -05 



39 



64 



0.4198 



0.4202 



— 



.02 



55 



0.1292 



0.1296 



— .02 



40 



19 



0.4612 



0.4622 



— 



.05 



100 



0.0895 



0.0895 



.00 



43 



61 



0.2991 



0. 3002 



— 



.06 



58 



0.2488 



0. 2490 



— .01 



44 



80 



0.7300 



0.7276 



+ 



.13 



38 



0.8281 



0.8304 



— -13 



45 



29 



0.8686 



0.8679 



+ 



•03 



89 



0.6874 



0.6874 



.00 



