474 



UNIVERSITY OF VIRGINIA PUBLICATIONS 



TABLE XI. 

 Meteor Durations iC. P. 0.). 



Meteor Durations (N. B.) 



work of C. P. O. alone. None of the other observers has as yet sent in 

 enough results to make a similar table useful. 



Table XI. — This contains a summary of the results of Table X. Fur- 

 ther it contains a summary of the results of N. B., based on all the meteors, 

 colored or uncolored, observed by him, for which durations were recorded. 

 The results of these tables are of considerable interest, showing as they do 

 how the durations shorten as the magnitude grows fainter — a result of 

 course foreseen but which serves as a most useful check upon the accuracy 

 of the estimated durations. 



NOTES OF SPECIAL INTEREST. 



(1) By B. H. Dawson; written 1913, Jan. 28, of Perseid shower 1907, 

 August 11, from memory. On Pike's Peak, Col., alt. 12,000 feet ±. 

 "We had beautifully clear weather, and I was greatly impressed by the 

 immense number of meteors seen. While stopping to rest at an altitude 

 of 12,000 feet ± , I watched them especially, and my impression is that 

 scarcely an interval of 5 seconds went by in which I did not see one or more, 

 while many times I saw two at the same time, and many others, they would 

 follow one another as fast as one could count. They were all small — ^the 



