98 



MR. RUMKER'S observations 

 |8 Chamaeleontis. (Ann. Var. — 19."997.) 



;j Chamaeleontis. (Ann. Var. — 13".328.) 



Superior Culmination. 



1822. 



inches. 

 30.20 



59 



May 6 



Refract, and Reduct. 



Superior Culminat. 

 Inferior Culminat... 



Half DifF. S. P. D. 



Microscopes. 



!l 4'l 40.0 

 -1 54.2 



11 39 45.8 

 348 20 0.6 



11 39 52.6 



II. 



41 40.7 

 1 54.3 



39 46.4 

 20 7.9 



39 49.2 



41 35.0 

 1 54.2 



39 40.8 

 19 41.8 



39 59.5 



Inferior Culmination. 



1822. 



Barom. 



inches, q 

 May 9 29.89 j 50 



Refract, and Reduct. 



Microscopes. 



348 21 24.7 

 -1 24.1 



348 20 0.6 



II. 



21 43 

 1 24.1 



20 18.9 



21 32 

 1 24.1 



20 07.9 



IV. 



21 6.0 

 1 24.2 



19 41.8 



Means. P. D. of >j Chamaeleontis, Jan. 1, 1828 11° 39' 63'/.8 by 2 Observ. 



a Apodis. (Ann. Var. — 16".154.) 



Superior Culmination. 



1827. 



Barom. 



Microscopes. 



II. 



III. 



IV. 



Inferior Culmination. 



1827. 



Barom. 



Microscopes. 



II. 



III. 



IV. 



July 28 

 Aug. 3 



inches, 

 30.25 



30.12 



49.5 

 52 



O ' // 



11 57 30.5 

 11 57 29 



57 45 



57 40 

 57 42 



57 48 

 57 44 



Ju y 31 ... Mean ... 

 Refract. — Reduct. 



Superior Culminat. 

 Inferior Culminat.. 



Half Diff. a P. D. 



11 57 29.75 

 -46.17 



57 45 

 46.2 



57 41.0 

 46.2 



57 46 

 46.1 



July 29 

 30 

 31 



Aug. 1 

 2 



inches. 

 30.05 



29.81 



30.04 



30.08 



30.07 



348 35 53 



I, » 45 

 „ „ 48 



11 56 43.58 

 348 33 16.1 



56 58.8 

 33 14.3 



56 54.8 

 33 25.0 



56 59.9 

 33 18.3 



11 41 43.7 



41 52.2 



41 44.9 



41 50.8 



July 31 ... Mean 

 Refract, and Reduct. 



35 52.7 



„ 40.3 



.. 47.0 



„ 53.0 



„ 46.3 



36 4.0 

 35 53.5 



35 54.0 



36 5.0 

 35 56.4 



35 54 

 „ 47.6 

 „ 49.0 

 „ 54J 

 .. 54.4 



-2 33.63 



35 47.9 

 2 33.6 



35 58.6 

 2 33.6 



35 51.9 

 2 33.6 



348 33 16.1 

 Mean of 4 Microscopes 11° 41' 47".9 by 7 Observ. 



33 14.3 



33 25.0 



33 18.3 



