1907.] 



BLEATING OF TJHE S1*(IPE, 



Text-fig. 7. 



23 



A. Section of two rami of a feather showing interlocking of distal and proximal 



radii. (After W. P. Pycraft.) 



B. Eamus of Gallinago coelesfis, showing proximal and distal rows of radii. 



C. Distal radius of G. coelestis. D. Proximal radius. 

 E. Distal radius of middle tail-feathers of G. coelestis. 



