378 



PROCEEDINGS OF THE AMERICAN ACADEMY 



Bar T. — Continued. 



Date. 



1883. 

 Feb 20 

 " 25 



" 27 

 " 27 

 " 28 



" 28 

 " 28 

 Mar. 1 

 " 4 

 " 5 



" 5 

 Apr. 22 

 " 23 

 " 24 

 " 25 



(r-0°) 



o 

 —1.92 



+2.96 



— G.71 



+2.01 



—3.47 



—0.22 

 —0.71 

 +3.64 

 —0.35 



—4.38 



—1.18 

 +4.57 



+5.97 

 +0.02 

 + 5.67 



S— T" 



div. 

 +57.0 

 +63.0 

 +63.1 

 +61.5 

 +63.1 



+63.0 

 +63.5 

 +02.1 

 +59.2 

 +60.7 



+65.6 

 +59.9 

 +60.9 

 +50.5 

 +60.1 



Means by 

 Groups. 



div. 



+61.5 



+62.9 



+61.2 



Date. 



1883. 

 Apr. 27 

 " 28 

 " 29 

 " 29 

 " 30 



" 30 



May 1 



" 1 



" 2 

 " 4 



« 4 



" 4 



" 6 



" 7 



" 8 



16°67- 



+0.30 

 —1.87 

 +1.32 

 +0.66 

 +0.79 



—1.09 

 —1.01 

 +0.11 



+7.05 

 —1.40 



—1.40 

 —3.45 

 +0.20 



+8.75 

 +3.80 



S—T" 



Means by 

 Groups. 



div. 

 —475 3 

 —473.9 

 —473.1 

 —475.1 

 —474.4 



—475.0 

 —472.5 

 —476.4 

 —4751 

 —467.4 



—469.9 

 —470.8 

 —472.2 

 —476.8 

 —473.6 



div. 



—474.4 



—472.7 



Bar as. b = +34.63 div. 



div. 

 +483.2 

 +488.8 

 +490.0 

 +488.8 

 +490.2 



+481.3 



[+473.7 



[+476.7 



+400.4 



[+475.4] 



+488.7 

 +487.4 

 +487.1 

 +486.5 

 +485.0 



+484.0 



+487.2 

 +482.5 

 +484.4 

 +493.6 



+484.8 

 +482.7 

 +482 2 

 +485.8 

 +487.3 



+485.1 

 +485.4 

 +479.0 

 +485.9 

 +477.0 



+488.1 



+485.8 



+486.9 



+486.3 



+484.6 



+482.6 



1883 



Feb. 26 



Mar. 3 



Apr. 18 



" 10 



" 20 



" 21 



" 22 



" 25 



" 25 



" 28 



May 1 



" 2 

 " 2 

 " 2 



—5.29 

 —2.60 

 +7.82 

 —0.21 

 —1.12 



—0.12 

 —7.81 

 —3.72 

 —4.15 

 —2.04 



—0.02 

 —1.42 



—2.32 

 —2.48 

 —1.80 



—1.15 

 —1.54 

 —1.68 

 +0.17 

 —0.79 

 —0.04 



div. 



—85.7 

 —95.8 

 —89.4 

 —92.0 

 —93.6 



—06.8 

 —97.8 

 —80.3 

 —91.4 

 —03.1 



—88.1 

 —98.8 

 —96.7 

 —010 

 —09.0 



—07.5 



—88.8 

 —06.7 

 —86.1 

 —96.3 

 —91.3 



—91.3 



—93.7 



—94.7 



—92.8 



