RECORDS, VOLUME XI, MAY, 193 9. 105 



Lecture 12. 



Woodpeckers. Varied structure of the 

 tongue for feeding. A special consideration 

 of our species. 



Lecture 13. 



Kingfishers; general external structure, 

 feeding and nesting habits. Hummingbirds, 

 purely American. Chimney Swift (not swal- 

 low), glue makers when breeding. Cuckoos, 

 our species contrasted. 



Lecture 14. 



Owls, methods of flight and capture of 

 prey. An examination of our species; their 

 great economic value. 



Lecture 15. 



Hawks and Eagles compared with Owls. 

 Some of our species. Vultures, habits and 

 flight, 



Lecture 16. 



Pigeons and Doves, methods of nesting 

 and feeding 3^oung. Grouse etc., structure. 



