286 Miscellaneous Intelligence. 
No one but an actual observer can appreeiate the utter iipoeiente of 
an almost vertical sun, during a brisk, sea-breeze. The 
sun have scarcely more warmth than moon beams. lngead of raising 
the thermometer 30 or 40 degrees, they seldom produce more than ten 
degrees of elevation, in — sweep of the wind. 
Such is the “summer” at San Francisco. Every body complains of 
the chilly winds, the salt and the dust. If you have nothing to do 
sit in the house you are perfectly comfortable. Even for out-door em- 
ployment or exercise, the mornings are almost invariably pleasant. 
_ are never too warm to dispense with blankets. For the purpose of rest 
and sleep, the night in California is perfectly luxurious all the year 
h. 
raise it above the control of inherent tendencies to pulmon io Sores 
I believe the humid and saline condition of the atmosphere codpera 
in the benefit. But I shall consider thie subject more fully eae a 
In all other parts of California, except the region about the Bay of 
San Francisco, the summer is very different. long the veil ‘are 
Phe i importance of these winds in connection with the climate of San 
pc has led me to dilate much more than | intended on taking UP 
the subject. There are other incidents of the climate yet to be considered. 
2. Heat of the Solar Disk.—M. Sooner of of ssc has made a series 
photometric experiments on the disk of n, by means of @ — 
mo-electric pile. He has found that the “ewe of the borders of the 
tegen: half that of the centre, which confirms, as regards cee 
of chemical action ee 
what was already known known for light and 
