REPORT 



ON THE IMMIGRATIONS OF SUMMER-RESIDENTS IN 

 THE SPRING OF 1909. 



INTEODUCTORY 



The Fifth Annual Report, which deals with the spring- 

 migrations o£ 1909 and the autumn-records for 1908, has 

 been drawn up, as far as is practicable, on the lines of the 

 previous Reports, so as to afford facilities in comparing the 

 results of one year with another. The facts noted in the 

 Report are, as usual, based solely on the records for the 

 current year. Owing to the amount of work involved in 

 preparing these Reports, the Committee have added three 

 gentlemen to their number— Commander H. Lynes, Mt. W. 

 R. Ogilvie-Urant, and Mr. W. L. Sclater. Mr. J. L. 

 Bonhote, who has carried on the arduous duties of Secretary 

 since the Committee was formed, has now handed over that 

 portion of the work to Dr. N. F. Ticehurst. 



The arrival of our summer-immigrants commenced about 

 the 9th of March, but between the 20th and 26th of that 

 month the arrival of the species specially dealt with had 

 practically ceased, although between those dates the light- 

 house records showed a very heavy migration of Starlings, 

 Thrushes, &c. 



The spring-immigration was at its height from the 9th of 

 April to the 13th of May, and although there were, as usual, 

 some specially large ' waves,' the stream of migrants was fairly 

 continuous between those dates, and on three occasions only 

 during that period, viz, on the 10th of April, the 28th-30th 

 of April, and the 7th of May, the arrival of a large number of 



