26 



A PRACTICAL HANDBOOK OF BRITISH BIRDS. 



in north. Incubation. — Said to last 18 days ; apparently chiefly 

 performed by lien. One brood. 



Food. — Mainly seeds of conifers, especially Pinus cembra where 

 found, but also hazel-nuts, juniper-berries, and insects (coleoptera, 

 orthoptera, odonata, etc.), flesh, and young birds. 



Distribution. — England. — Rare vagrant. Some occurrences 

 recorded under N. c. macrorhynchus may have been of this form, 

 but only the following have been satisfactorily identified : Sussex — 

 one near Chichester, Dec. 21, 1900, male near Brede, Feb. 12, 

 1907, one Penliurst, Nov. 7, 1908, female near Hastings, March 4, 

 1909 ; Kent — male, Benenden, Jan. 14, 1905 ; Cheshire — male near 

 Northwich, 1860. 



Distribution. — Abroad. — Scandinavia, Bornholm, Denmark, 

 northern Russia, East Prussia, and principal mountain- 

 systems of Europe (Harz, Bohmerwald, Alps, Carpathians, Tatra, 

 Balkans, etc.) 



8. 



Nucifraga caryocatactes macrorhynchus 

 SLENDER-BILLED NUTCRACKER. 



Brehm — THE 



Nucifraga macrorhynchos Brelim, Lelirb. Naturg. eur. Vogel, i, 

 p. 103 (1823 — Mountain forests mid. N. Ei rope and Asia, occasionally 

 Germany. Type, a migrant shot in winter in Germany). 

 Niucifraga caryoca.actes (Linnseus), Yarrell, ii, p. 330 (part) ; Sannders, 

 p. 233 (part). 



A. Thick-billed Nutcracker {Nucifraga c. caryocatactes). 



B. Slender-billed Nutcracker (Nucijraga c. macrorhynchus). 



