120 



MR. RUMKER'S observations 

 j8 Argus. (Ann. Var. — 14".834.)— (Continued.) 



May 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 23 

 24 

 25 

 26 

 30 



June 11 

 12 



Superior Culmination. 



1828. 



inces. 

 29.78 



29.84 



29.97 



30.05 



30.10 



30.28 



30.37 



30.27 



30.23 



30.22 



30.14 



29.97 



29.79 



29.74 



29.78 



65.7 



69 



64 



61.7 



53 



55 



57.2 



64 



55.6 



59.0 



61.3 



61.2 



56 



69.2 



69.2 



May 19... Mean ... 

 Refract, and Reduct. 



Superior Culminat. 

 Inferior Culminat... 



Half Diff. S. P. D. 



Microscopes. 



o / // 

 21 12 43 



„ „ 44.8 



„ „ 39.2 



40.8 



46.0 



42.7 



44.7 



42 



43 



46.7 



44.8 



45.0 



42.7 



„ 54.0 



„ 51.6 



» if 



» » 



» »» 



it >» 



» »> 



» n 



» s> 



n >» 



)» >» 



it it 



it ») 



21 12 44.7 

 -7.3 



21 12 37.4 

 339 13 47.2 



20 59 25.1 



II. 



12 53.8 

 12 53.0 

 12 46.8 

 12 53.5 

 12 54.2 

 12 52.3 

 12 52.3 

 12 51.0 

 12 49.4 

 12 48.5 

 12 49.3 

 12 51.4 



12 48 



13 1.0 

 12 56.7 



12 52.1 

 7.3 



12 44.8 



13 54.9 



59 24.9 



III. 



12 51 

 12 58.7 

 12 54 



12 58.5 



13 0.8 

 12 54.3 

 12 52 

 12 50 

 12 54.3 

 12 54.5 

 12 56.1 

 12 56.0 



12 53.4 



13 6.7 

 13 3.0 



12 56.2 

 7.3 



12 48.9 

 14 0.7 



59 24.1 



12 53 



„ 53.5 



„ 49 



„ 48.7 



„ 52 



„ 48 



„ 50.5 



„ 48 



„ 47.4 



„ 48.3 



„ 46.4 



„ 50.0 



„ 45.3 



„ 58.3 



„ 58.0 



12 50.5 

 7.2 



12 43.3 



13 54.3 



59 24.5 



Inferior Culmination. 



1828. 



May 13 

 14 

 15 

 16 

 17 

 18 

 29 



Barom. 



inches. 

 29.82 



29.92 



30.04 



30.07 



30.18 



30.36 



29.80 



64.3 



49 



38 



34.5 



36.3 



37.3 



35.5 



May 17 .4. ..Mean... 

 Refract, and Reduct. 



MicroKopcs. 



339 18 17.5 



„ 27.0 



„ 30.5 



„ 37.0 



„ 41.0 



„ 44.0 



„ 33.0 



339 18 33.5 

 -4 46.3 



339 13 47.2 



II. 



18 29.7 



„ 37.0 



„ 41.2 



,. 49.2 



., 47 



„ 49.3 



„ 35.7 



18 41.3 

 4 46.4 



13 54.9 



/ // 



18 35.5 



„ 42.5 



„ 50.0 



„ 47.9 



„ 50.5 



„ 57.2 



„ 44.7 



18 47.0 

 4 46.3 



14 0.7 



IV. 



18 28 



„ 38.7 



,. 47.0 



„ 40.0 



„ 46 



„ 50.1 



„ 35 



18 40.7 

 4 46.4 



13 54.3 



Mean of 4 Microscopes 20° 59' 24".65 by 22 Observ. 



1828. 



Microscopes. 



II. 



III. 



IV. 



1828. 



Microscopes. 



II. 



IV. 



June 14 

 17 



20 

 23 

 July 



4 

 5 



inches. 

 29.97 

 30.03 

 30.27 

 30.15 

 29.76 

 29.83 

 29.82 

 30.13 



tJ3 

 60 

 55 

 88 

 152 

 31 

 53 

 58.5 



21 12 55.5 



„ 12 67.0 



„ 12 54.0 



„ 12 49.0 



„ 12 57.0 



„ 13 3.2 



„ 13 6.0 



„ 13 8 



12 52.7 

 12 46.2 

 12 54.0 

 12 46.0 

 12 48.8 

 12 54.7 



13 8 



12 58.8 

 12 48.3 

 12 59.0 

 12 48.3 

 12 58 



12 57.5 



13 4.5 

 12 59.5 



12 55.0 

 12 51.0 

 12 53.0 



12 50.0 



13 1.0 

 13 0.0 



12 59.0 



13 1.2 



June 17 

 19 

 20 



July 3 



inches. 

 30.112 



30.34 



S0.26 



29.722 



38.5 

 36.5 

 36.5 

 44 



339 18 32.4 



„ „ 35.0 



n >j 3o.5 



„ „ 25.0 



18 35.4 

 „ 40.0 

 „ 41.0 

 „ 29.0 



June 22 ... Mean .., 

 Refract, and Reduct 



339 18 32.0 

 -4 44.9 



18 36.3 

 4 44.9 



18 46.6 

 „ 44.7 

 „ 44.1 

 „ 38.0 



18 43.35 

 4 44.91 



339 13 47.1 



13 51.4 



13 55.4 



13 58.4 



June26|... Mean ... 

 Refract, and Reduct 



Superior Culminat. 

 Inferior Culminat... 



Half Diff. S. r. D. 



21 12 58.7 

 -11.4 



12 52.9 

 11.4 



12 49.2 

 11.4 



12 56.3 

 11.3 



21 12 47.3 

 339 13 47.1 



12 41.5 



13 51.4 



12 37.8 



13 55.4 



12 45.0 



13 58.4 



21 59 30.1 



59 25.0 



59 21.2 



59 23.3 



Mean of 4 Microscopes 21° 59' 24".9 by 12 Observ. 



A 



