Birds of Heligoland. 7 



65. TURDUS VISCIVOKUS. 



Sparingly, from February onwards. 



QQ. TuRDUS MUSICUS. 



In great numbers from March to the middle of May, ami 

 again from the middle of September to the middle of 

 November. 



67. TuRDUS ILIACUS. 



Much rarer than Tardus musicus ; the autumn migration 

 does not begin until the middle of October. 



68. TuRDUS FALLENS. 



A bird seen by Clans Aeuckens on the 3rd of June, 1881, 

 is supposed to have belonged to this species. 



-^ 69. Turd us swainsoni. 



An example belonging to the eastern race {Tardus swainsoni 

 alicice) was caught on the 2nd of October, 1869. 



H- 70. TuRDUS PALLASI. 



An example, identified from memory a few years later^ was 

 caught in October 1836. 



^ 71. TuRDUS rUSCESCENS. 



An example, identified from memory years afterwards, was 

 caught before 1833, 



72. TuRDUS PILARIS. 



Passes over in great numbers from March to May, and 

 again in November and December, and often in January. 



73. TuRDUS FUSCATUS. 



A young specimen was caught in October 1880. 



74. TuRDUS RUFICOLLIS. 



A young bird was caught in November 1813. 



75. TURDUS ATRIGULARIS. 



An adult male once seen. 



76. TURUUS TORQUATUS. 



Passes over from the middle of April to the middle of May, 

 and again in September. 



