34 THE BIRDS OF DORSET. 



equal ease, and without the aid and support of the 

 tail, as is the case with the Woodpeckers. The 

 northern Nuthatch, described by Linnaeus as Sitta 

 europcea, is distinct from the Central European spe- 

 cies, which occurs in the British Islands, and which 

 is distinguished as Sitta ccesia. 



FAM. PARID.E. 



GREAT TITMOUSE. Farm major, L. 



Yarrell, i. p. 479; Harting, p. 20 ; Dresser, iii. p. 79; Seebohm, 

 i. p. 463 ; Ibis List, p. 26 ; Pulteney's List, p. 9. 



Kesident, and common everywhere. 



BLUE TITMOUSE. Parus cceruleus. 



Yarrell, i. p. 483; Harting, p. 20; Dresser, iii. p. 131; See- 

 bohm, i. p. 468 ; Ibis List, p. 27 ; Pulteney's List, p. 10. 



Like the last named, a common resident. 



COAL TITMOUSE. Parus ater, L. 



Yarrell, i. p. 489; Harting, p. 21 ; Ibis List, p. 26; Pulteney's 

 List, p. 10 ; Parus britannicus, Dresser, iii. p. 93 ; Seebohm, 

 i. p. 472. 



The form of Parus ater, which has been described 

 as Parus britannicus, is apparently confined to the 

 British Islands, where it is a resident and abundant 

 species. The typical ater visits us occasionally on 

 migration, from which ours differs in the feathers of 

 the back and flanks being tinged with olive-brown. 



