1873.] between Rainfall and Sun-spot Periodicity. 299 



The annual rainfall at these stations is given in a subjoined Table, 

 from which we obtain the followiDg results, showing the rainfall at each 

 station for maximum- and minimum-sunspot periods of three years each, 

 the maximum- and minimum-sunspot years being respectively placed in 

 the middle of each three-year period, as will be seen on reference to the 

 Table. 



(l) Christiania. 

 Max. years. Min. years. 



in. 



64-65 



72-88 



I37-53 



5975 

 57'i9 



1 16-94 



(2) Aberdeen. 

 88-42 49*26 



77-38 7 1- 54 

 79-30 94-14 

 96-27 90-35 



341-37 305-29 

 (3) Arbroath. 



79'4 

 850 



79'7 

 78-2 



164-4 I57-9 



(4) Deanston House. 



104-22 

 100-95 



11 125 

 121-85 



233-10 



205-17 



(5) Haddington. 

 86-i 70-3 

 72-5 77-7 



1586 



148-0 



(6) Inveresk. 

 85-82 76-79 



(7) Carbeth-Gutiirie. 

 125-94 130-84 



132- 57 131-09 

 139-79 124-60 



133- 92 103-48 



(8) Greenwich. 



Max. years. Min. years 



in. 



in. 



77-45 



82-31 



88-26 



82-84 



71-76 



63-08 



73-76 



67*10 



78-30 



84-20 



389'53 



379*53 



(9) Brussels. 



85-26 



74'43 



91-23 



95-04 



92-12 



75-54 



268-61 



245-01 



(10) Toronto. 



I02'22 



no'i8 



(« 



) Calcutta. 



210-37 



218-76 



(12) Madras. 



175-0 



125-0 



(13) Demerara. 



33I-46 



275-94 



(14) Mauritius. 



170-77 



I32-33 



134-44 



120-72 



305-21 253-05 



(15) Queensland. 

 124-07 98*25 



(16) Natal. 

 81-41 91*85 



(17) Cape. 

 81-3 64-5 

 91-2 69-2 



172-5 133-7 

 (18) South Australia. 

 6444 52-90 



532-22 490-01 



We take for the maximum-sunspot years 1817, 1830, 1837, 1849, 

 and 1860 ; and for the minima-years 1823, 1834, 1844, 1856, and 1867. 

 In some instances we cannot get three-year periods with the maximum 



