52 ROUND THE YEAR 



a blade is found in Guillemots, Razor-bills, Wild 

 Duck, Teal, Gulls, Oyster-catchers, Golden Plovers, 

 Starlings, Fieldfares, Redwings, Larks and many 

 others. In Divers, Partridges and Pheasants the 

 claw is flattened so that its inner edge forms a 

 scraper. Where a comb is required the inner 



XS9 



X150 



FIG. 13. Fore-leg of Bee with tibial comb ; the comb more highly magnified ; three 

 teeth of the comb. 



edge of this blade becomes divided into teeth. 

 Young Nightjars have only the blade, but old ones 

 have a well-developed comb. Mr. Titchener l 

 adds that Audubon once shot a Frigate-bird, and 

 found the comb crammed with the Insects which 

 occur on the head and especially about the ears 

 1 Nature ) Feb. 19, 1891 



