On the Birds of the Yenisei River. 449 



Warthausen, whereas I understood from Seidensacher that 

 he parted with two to that gentleman, and sent the third 

 to me. 



In conclusion, I may state that in the case of the eggs 

 now figured, which were ohtained by Mr. Popham, the 

 parent birds were shot in almost every instance, so that 

 there can be no doubt whatever of their authenticity. 



EXPLANATION OF 1>LATE IX. 



Eggs of Turdus dubius, p. 445. 



Fig. 1 (clutcli 498). Yenesei, 27th June, 1900. 

 2( „ .50.3). „ 28th „ 



3 ( „ 493). „ 15th „ 



4 ( „ 332). „ 23rd June, 1899. 



Eggs of Turdus obscums, p. 445. 



5 (clutch 463). Yenesei, 17th June, 1900. 



6 ( „ 271). „ ISth June, 1897. 

 7( „ 273). „ 14th „ 



8 ( „ 278/3). Darasun, Dauria (Dr. Dyhowski), 



Eggs of Turdus atrigidaris, p. 446. 



9 (clutch 269). Yenesei, 13th Juae, 1897. 



10 ( „ 267). „ 



11 ( „ 269). „ 



12 ( „ 200). „ 



Eggs of Turdus sibiricus, p. 447. 



13 (clutch 307). Yenesei, 20th June, 1897. 



14 ( „ 461). „ 13th June, 1900. 



15 ( „ 24). Toorukhansk, 15th June, 1895. 



16 ( „ 300). Yenesei, 19th June, 1897. 



XXXIII. — Supplementary Notes on the Birds of the Yenisei 

 River. By H. Leyborne Popham. 



(Plate X.) 



May 8th, 1900, found me once more at Yeniseisk, accom- 

 panied by Mr. Gerald R. Peck, an ardent sportsman. The 

 ice on the Yenisei had broken up some few days before our 



