Climatology of the United States. 248 
compared with the entire duration of the earth. Mr. Blodget'’s state- 
ment is here most seriously in error. 
On page 356, it is stated that Professor Dove has expressed 
s dissent from the generally received theory of the trade 
winds, which theory requires a belt of prevalent westerly winds 
in the middle latitudes of the temperate zones. This statement 
has excited our unqualified surprise. In a volume published by 
essor Dove in 1887 entitled “Meteorologische Untersuch- 
ungen” he has given a very full account of the trade winds 
and of the prevalent westerly winds of the temperate zones, and 
to that volume page v, Prof. Dove says, “In the year 1730, Had- 
ley established a theory of the trade winds founded upon the 
rotation of the earth and the unequal temperature of the differ- 
cep ntitudes, which even in the details of the phenomena has shown 
laws 
On 
being lifted up 'b the West Indies. 
the force of hurricanes in the 1 
In one fasta nee a iece of lead 4000 pounds in weight was 
. 
“ses of lifting weights, and the convective electric one ie oA 
Obvious and adequate solution of the fucts.” If Mr sin 
Closed this sentence with the word perhaps, it i yanaaciedeyag 0 
more appropriate than in some cases where so int ue +f + 
Pages 144, 308, etc. As he has not given the psa re 
*Pinion we shall not enter into any argument on the su 8 ue u 
entent ourselves with recording our firm conviction t . e - 
ity in any form does not afford an adequate solution of the facts. 
