of the Rutherfurd Photographs. 215 



Table III. — {Concluded.') Plate IX: y Measurements. 



Line. 



y direct. 



y reversed. 





Vi m, or 









^ w 



,, or 









Scale minus Star. 









Scale minus Star. 







Star. 







K- 



-H 



Line. 







K—H 



Kretz. 



Hays. 



Kretz. 



Hays. 



15 



56 



0.6574 



O.6586 



— C 



.06 



62 



0.8968 



0.8969 



11 

 O.OO 



2 



53 



0.2924 



O.2885 



+ 



.21 



66 



0.2601 



0.2619 



— .IO 



3 



38 



0.7025 



O.7022 



+ 



.02 



80 



0.8546 



0.8548 



— .02 



4 



21 



0.6201 



O.62H 



— 



•05 



97 



0.9386 



O.9390 



— -03 



6 



70 



0.8824 



O.8836 



— 



•05 



48 



0.6685 



0.6701 



— .08 



3 



7i 



0.6176 



O.6160 



+ 



.08 



47 



0.9336 



0.931 1 



+ -12 



10 



49 



0.6535 



0.6530 



+ 



.02 



69 



0.8961 



0.8986 



— .12 



11 



43 



0.9194 



O.9174 



+ 



.IO 



75 



0.6335 



0.6356 



— .11 



14 



77 



0.5956 



0.595I 



+ 



•03 



4i 



0-9594 



0-9579 



+ .IO 



16 



22 



0.4234 



O.421 1 



+ 



.12 



97 



O.I3t8 



0.1336 



— .IO 



17 



40 



0.5092 



0.5088 



+ 



.02 



79 



0.0488 



0.0450 



+ .20 



18 



4i 



0.3556 



0.35I2 



+ 



•23 



78 



O.2010 



0.2028 



— .IO 



20 



40 



0.5775 



0.5768 



+ 



•04 



78 



0.9788 



0-9775 



+ .05 



22 



72 



0.3186 



O.3181 



+ 



•03 



47 



0.2341 



0.2351 



— -05 



23 



69 



0.8454 



O.8441 



+ 



.06 



49 



0.7089 



0.7101 



— .06 



24 



39 



0.9861 



O.9831 



+ 



•17 



79 



0.5705 



0.5735 



— .16 



25 



50 



0.5185 



O.5192 



— 



.04 



69 



0.0304 



0.0294 



+ .05 



26 



27 



0.5389 



O.5426 



— 



.20 



92 



0.0139 



0.0171 



— -17 



27 



49 



0.3845 



0.3856 



— 



.06 



7o 



0.1659 



0.1660 



— .01 



28 



60 



0.6129 



O.6126 



+ 



.02 



58 



0.9371 



0.9361 



+ .06 



29 



84 



0.2345 



O.2326 



+ 



.IO 



35 



0.3168 



0.3I54 



+ .07 



33 



19 



0.3819 



O.3838 



— 



.IO 



100 



O.1718 



0.1716 



+ .01 







Schl. 



Hays. 



a- 



■H 





Schl. 



Hays. 



8—H 



15 



56 



O.6586 



0.6598 





"06 



62 



0.8946 



0.8964 



— O.I I 



1 



72 



0.3909 



0.3881 



+ 



•15 



47 



0.1674 



O.1626 



+ -25 



5 



85 



0.6366 



0.6354 



+ 



.06 



33 



0.9176 



0.9172 



+ .03 



7 



37 



0.6385 



0.6375 



+ 



•05 



81 



0.9169 



0.9132 



+ .21 



23A. 



7i 



0.4271 



0.4246 



+ 



•13 



48 



0.1265 



0.1219 



+ .24 



3i 



40 



0.8852 



0.8874 



— 



•13 



78 



0.6710 



0.6731 



— .11 



32 



17 



0.0584 



0.0532 



+ 



.28 



102 



0.5040 



0.5041 



— .OI 



33 



19 



0.3802 



0.3842 



— 



.21 



100 



0.1728 



0.1711 



+ -09 



34 



52 



0.7965 



0.7979 



— 



•07 



66 



0.7548 



0.755I 



.OI 



35 



90 



0.0624 



0.0638 



— 



.07 



29 



0.4945 



O 4920 



+ -13 



36 



67 



0.5094 



0.5024 



+ 



•37 



52 



0.0486 



0.0412 



+ -39 



37 



43 



0.3850 



0.3868 



— 



.10 



76 



0.1650 



O.1701 



— .27 



38 



60 



0.3900 



0.3834 



+ 



•35 



59 



0.1671 



0.1660 



+ .06 



39 



66 



0.6850 



0.6826 



+ 



•13 



52 



0.8684 



0.8680 



+ -°3 



40 



21 



0.7210 



0.7229 



— 



.10 



97 



0.8329 



0.8329 



.00 



43 



63 



0.5462 



0.5432 



+ 



■ 15 



56 



0.0040 



0.0062 



— .12 



44 



82 



0.9712 



0.9688 



+ 



.11 



36 



0.5834 



0.5864 



— .16 



45 



32 



0.1 102 



0.1076 



+ 



.14 



87 



0.4465 



0.4474 



— -05 



