194 BRITISH BIRDS. 



Distribution. — Inner supra-orbital, occipital, humeral, 

 spinal, ulnar, femoral, and ventral. Spinal tract long and 

 well marked. Ventral tract scanty and not well marked. 

 Coloration of Mouth. Inside, orange ; flanges very broad 

 and lemon-yellow in colour ; no tongue spots ; gape huge; 

 externally, flanges lemon-yellow. 



SKYLARK Alauda arvensis L. 



Down. Colour. — Light sandy, dark at the base of the pre- 

 pennse giving the whole a peculiar " leveret " appearance. 

 Character. — Fairly long and abundant. 



Distribution. — Inner supra-orbital, occipital, humeral, 

 spinal, ulnar, and femoral ; spinal tract confined to small 

 area over and just above sacrum. 



Coloration of Mouth. Inside, orange-yellow ; two oval 

 black spots at base of tongue situated bilaterally, another 

 triangular spot forms the tip of the tongue ; externally, 

 flanges whitish. 



KINGFISHER Alcedo ispida L. 

 Down. Absent. (N.B. — Spirit specimen.) 



