308 



PROFESSOR C. PIAZZI SMYTH ON 



Table III. 



Weekly Observations of Sun-Spots, also Weekly Observations of Earth Thermometers 1, 2, and 3. 

 Also Annual Si/us of Sun Spots, collected Weekly, and Annual Means of Earth Thermometers 

 1, 2, and 3 collected Weekly through the Years 1880, 1881, and 1882. Followed by Three 

 Plates exhibiting those Numbers duly Projected to Scales of Time, and Quantity. 







New 











New 









New 







Year 





Sun- 



Annual Sums collected 



Year 





Sun- 



Annual Sums collected 



Year 





Sun- 



Annual Sums collected 



and 



Month. 



Day. 



Spots 

 each 

 Week. 



Weekly. 





and 



Month. 



Day. 



Spots 

 each 

 Week. 



Weekly. 



and 



Month. 



Day. 



Spots 

 each 

 Week. 



Weekly. 





1880 











1881 







1880 1881 



1882 







1881 1882 





Jan. 



7 

 14 

 21 

 28 



2 

 3 

 

 







Jan. 



7 



14 

 21 



28 



1 



o 



July 15 to July 8 . 99 



Jan. 



7 

 14 

 21 

 28 



2 

 3 

 2 



2 



July 15 to July 8 



135 











3 







22 ,. 15 . 102 

 29 „ 22 . 102 





22 „ 15 

 29 „ 22 



133 

 134 



Feb. 



4 

 11 

 18 

 25 



3 

 2 

 



1 







Feb. 



4 

 11 

 18 

 25 



3 

 2 

 1 

 



Aug. 5 „ 29 . 104 

 12 „ Aug. 5 . 105 

 19 „ 12 . 103 

 26 „ 19 . 103 



Feb. 



4 

 11 

 18 

 25 



4 

 2 

 4 

 2 



Aug. 5 „ 29 

 12 „ Aug. 5 

 19 „ 12 

 26 „ 19 



130 

 129 

 131 

 131 



Mar. 



4 

 11 

 18 

 25 



1 





 2 

 







Mar. 



4 

 11 

 18 

 25 



5 

 3 



2 

 2 



Sept. 2 „ 26 . 105 



9 „ Sept. 2 . 108 



16 „ 9 . 108 



23 „ 16 . 109 



30 „ 23 . 108 



Mar. 



4 

 11 



18 

 25 



3 

 

 5 

 5 



Sept. 2 „ 26 



9 „ Sept. 2 



16 „ 9 



23 „ 16 



30 „ 23 



128 

 125 

 126 

 126 

 128 



April 



1 



8 



15 



22 



29 



2 

 1 

 

 

 1 







Apr. 



1 



8 



15 



22 



29 



5 

 3 

 2 

 3 



1 



Oct. 7 „ 30 . 109 



April 



1 



8 



15 



22 



29 



6 



Oct. 7 „ 30 



129 











14 „ Oct. 7 . 107 

 21 „ 14 . 107 

 28 „ 21 . 110 









5 

 3 

 2 



14 „ Oct. 7 

 21 „ 14 

 28 „ 21 



130 

 130 



126 



May 



6 

 13 



20 

 27 



2 

 1 

 1 

 1 







May 



6 

 13 

 20 

 27 



4 

 2 



1 

 2 



Nov. 4 „ 28 . Ill 

 11 „ Nov. 4 . 109 

 18 „ 11 . 112 

 25 „ 18 . 114 



May 



6 

 13 



20 



27 



4 

 4 

 1 



1 



Nov. 4 „ 28 

 11 „ Nov. 4 

 18 „ 11 

 25 „ 18 



127 

 132 

 133 

 134 



June 



3 



10 

 17 

 24 



1 

 1 

 3 

 







June 



3 



10 

 17 

 24 



3 



o 



4 

 3 



Dec. 2 „ 25 . 113 



9 „ Dec. 2 . 115 



16 „ 9 . 115 



23 „ 16 . 118 



30 „ 23 . 117 



June 



| 



3 



10 

 17 



24 



1 



3 



2 



2 



Dec. 2 „ 25 



9 „ Dec. 2 



16 „ 9 



23 „ 16 



30 „ 23 



138 

 139 

 142 

 140 

 141 



July 



1 

 8 



3 

 1 



1880 1880 

 Jan. 7 to Dec. 30 



69 



July 



1 



8 



3 



2 



1881 



Jan. 7 „ 30 . 117 



July 



1 



7 



1882 



Jan. 7 „ 30 



140 





1881 







1882 





8 

 15 



22 

 29 





 1 

 3 

 









15 

 22 

 29 





 2 

 2 



14 „ Jan. 7 

 21 „ 14 

 28 „ 21 



68 

 65 

 68 





15 

 22 

 29 



3 

 2 

 4 



14 „ Jan. 7 . 118 

 21 „ 14 . 121 

 28 „ 21 . 120 









Aug. 



5 

 12 

 19 

 26 



1 

 3 

 1 

 1 



Feb. 4 „ 28 

 11 „ Feb. 4 

 18 „ 11 

 25 „ 18 



68 

 68 

 68 

 69 



Aug. 



5 

 12 

 19 

 26 



2 

 1 

 1 

 3 



Feb. 4 „ 28 . 122 

 11 „ Feb. 4 . 123 

 18 „ 11 . 123 

 25 „ 18 . 126 



Aug. 



5 

 12 



1!» 



26 



1 

 3 

 1 











Sept. 



2 



9 



16 



23 



1 

 3 

 1 

 2 



Mar. 4 „ 25 

 11 „ Mar. 4 



68 

 72 



Sept. 



2 

 9 



16 

 23 



4 

 3 

 2 

 1 



Mar. 4 „ 25 . 128 

 11 „ Mar. 4 . 126 



Sept. 



2 



9 



16 



23 



1 

 4 

 2 

 3 









18 „ 11 

 25 „ 18 



75 

 75 





18 „ 11 . 123 

 25 „ 18 . 126 











30 



2 



Apr. 1 „ 25 



77 





30 



3 



Apr. 1 „ 25 . 129 





30 



4 







Oct. 



7 



14 

 21 

 28 



4 

 2 

 1 

 



8 „ Apr. 1 

 15 „ 8 

 22 „ 15 

 29 „ 22 



80 



. 82 



84 



87 



Oct. 



7 

 14 



21 



28 



2 

 2 

 4 

 1 



8 „ Apr. 1 . 130 

 15 „ 8 . 132 

 22 „ 15 . 135 

 29 „ 22 . 135 



Oct. 



7 



14 

 21 

 28 



3 



2 

 

 2 







Nov. 



4 

 11 

 18 

 25 



2 

 1 

 1 



2 



May 6 „ 29 

 13 „ May 6 

 20 „ 13 

 27 „ 20 



87 

 89 

 90 

 90 



Nov. 



4 



11 

 18 

 25 





 4 

 3 

 1 



May 6 „ 29 . 136 

 13 „ May 6 . 136 

 20 „ 13 . 138 

 27 „ 20 . 138 



Nov. 



4 



11 

 18 

 25 



5 

 5 

 4 

 5 







Dec. 



2 



9 



16 



23 



1 

 

 

 3 



Jun. 3 „ 27 

 10 „ Jun. 3 



91 

 93 



Dec. 



2 



9 



16 



23 



3 

 

 3 



2 



Jun. 3 „ 27 . 137 

 10 „ Jun. 3 . 135 



Dec. 



2 

 9 



16 

 23 



4 

 3 



1 

 3 









17 „ 10 

 24 „ 17 



94 

 95 





17 „ 10 . 136 

 24 „ 17 . 134 











30 



1 



July 1 „ 24 

 8 „ July 1 



98 

 98 





30 



1 



July 1 „ 24 . 133 

 8 „ July 1 . 137 





30 











