342 
CLINE. 
supported by Mr. Curtis in his paper on hot winds, already 
cited. On the other hand, in studying the detailed reports 
of these hot winds we find many features for which drouth 
and insolation will not account, and it appears evident 
that we have here a well defined and peculiar class of 
winds similar to the chinook* and foehnf, but differing in 
some respects from any winds previously noted. Conditions 
which will theoretically account for one case of these winds 
must be present in other cases where such winds are well 
defined. The theory that these winds are the result of 
drouth and insolation will not account for certain intense 
periods of hot winds which have occurred when the earth 
was wet and the soil full of moisture, and others following 
some of the wettest seasons that the section over which they 
occurred had ever experienced. Neither will this theory 
account for the narrow intensely heated currents often found 
in the general hot winds; neither will it account for the 
numerous occurrences of such winds at night, and, further, 
it will not account for the extreme dryness which is noted 
in the majority of instances. Furthermore, if these winds 
were the result of drought and insolation merely, they would 
not depend on the existence and position of low pressure 
areas, but would be found prevailing in clear, dry weather 
whenever severe drought conditions exist. These winds are 
only found, however, with certain low pressure areas, and, 
further, during some of the dryest periods on record, their 
absence is noted. 
In popular opinion the hot winds have been classed with 
those which carry with them in their progress northward 
the heat of the climate in which they are supposed to 
have had their origin; but an examination of the surface 
conditions prevailing to the south of the hot winds shows 
that a greater per cent, of moisture is always found to the 
south of them, and that as a rule the general temperatures 
* Described by Prof. M. W. Harrington in American Meteorological 
Journal. 8°. Ann Arbor, Mich., vol. 3; 1886, Nov., pp. 330-338; 1887, 
Feb., pp. 467-475; Mar., pp. 516-523. 
t Described by Dr. J. Hann in Handbuch der Klimatologie. 8°. Stutt¬ 
gart, 1883, pp. 208 et seq. 
