374 Mr. H. Seebohm on the 



PlCUS CISSA. 



The Siberian form of the -Greater Spotted Woodpecker is 

 a very common resident. 



Picus PIPRA. 



The Siberian form of the Lesser Spotted Woodpecker is a 

 very common resident. 



PlCUS LEUCONOTUS. 



The White-backed Woodpecker, which is the Siberian 

 form of Lilford's Woodpecker, is a rather rare resident. 



PlCUS TRIDACTYLUS. 



The Three-toed Woodpecker is a common resident in the 

 pine-forests. The Archangel form of this species resembles 

 that from Scandinavia and the valley of the Petchora, and is 

 intermediate between the Siberian form and that of the Alps. 



CYPSELUS APUS. 



The Swift was once seen by Henke. 



HlRUNDO URBICA. 



The House-Martin is a rare summer visitor. 



HlRUNDO RUSTICA. 



The Barn-Swallow is a common summer visitor. 



HlRUNDO RIPARIA. 



The Sand-Martin is a very common summer visitor. 



LANIUS EXCUBITOR ? 



The Great Grey Shrike is recorded by Henke as an occa- 

 sional visitor to Archangel in autumn. It will probably 

 prove to be the bird known as Pallas's Great Grey Shrike, 

 L. major. 



LANIUS MOLLIS. (Plate XI.) 



Lanius mollis, Eversmann, Bull. Soc. Nat. Moscou, xxvi. 

 p. 498. 



Eversmann's Shrike is represented in Henke' s collection by 

 a fine example from Archangel obtained in autumn. It is 

 an excellent species, originally described by Eversmann from 

 the Altai Mountains, and since obtained by Severtzoff in 

 Turkestan. It can only be confounded with young examples 

 of the American species L. borealis, which may be distin- 



