Plate 6. 



(BIRDS HALF NATURAL SIZE. FEATHERS NATURAL SIZE.) 



1, Juvenile Snow-Bunting (Plectrophenax nivalis). 2, Juvenile Wood-Lark (Luttul.a a. arborea). 

 3, Juvenile Sky-Lark (Alauda a. arvensis). 4, First-winter Richard's Pip\t(Anthus r. richardi). 

 5, Juvenile Rock-Pipit (A. s. petrosm). 6, 1st primaries of Sky-Lark (a) juvenile, (6) adult. 

 7, Crest-feathers of (c) Sky-Lark, (d) Wood-Lark, () Crested Lark. 8, Feathers from rump 

 of (/) Red -throated Pipit, (g) Meadow -Pipit. 



(Face p. 164.] 



