PI. 17. 



RING DOVE. 



STOCK DOVE. 



ROCK DOVE. 



#'<A 



TURTLE DOVE. 



PASSENGER PIGEON. 



R. N.- NIGHTJAR. 



R.-N. NIGHTJAR. 



NIGHTJAR. 



NIGHTJAR. 



;\i 

 -\ 



SAND MARTIN. HOUSE MARTIN. SWALLOW. 



. ... r/i,.. 



SWALLOW. 



