SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 95 



undersigned therefore, after a most careful study of Dr. Abbot's program, endorse 

 it unreservedly and express the earnest hope that he may receive the appropria- 

 tions that he needs to make it efifective. 



An attempt was made to obtain a Federal appropriation of $200,000 

 to establish seven additional solar-radiation stations and to undertake 



MEAN RESULTS 1924-1935 



SOLAR VARIATION AND TEMPERATURE DEPARTURES AT WASHINGTON 



Fig. I. — Oppositeness of temperature departures at Washington which follow 

 average rising and falling sequences of solar variation. 



automatic measures of ultraviolet rays at ioo,ooo-feet altitude. The 

 appropriation passed the Senate but was rejected by the conferees on 

 the urgent deficiency bill. Fortunately, the Smithsonian Institution 

 was able to make a grant of $5,000 to Dr. Brian O'Brien, of Rochester, 



