ROLLERS. 



391 



liar flight, which is varied and unsteady, and often the bird turns over in the air like 

 a tumbler pigeon. 



The genus JEurystomus is remarkable for being represented in Africa by ruddi- 

 colored species, while blue is the predominating coloration of those living in India and 

 further east; but Mr. K. B. Sharpe remarks that from his study of the kingfishers 

 (Alcedinidae) he is led to consider that the possession of a blue color by one species 

 and of a ruddy tint by another does not indicate remote relationship. "Change," he 



r 



FlG. 191. Kuryatinniix urn ntaiig, broad-billed r 



says, "the lilac tints into blue all over the body, and the African broad-billed rollers 

 assume the exact style of coloration as their eastern congeners." The broad-billed 

 rollers, like the true rollers, are said to be fond of tumbling in the air. 



Lieutenant H. R. Kelham makes the following remarks upon the habits of E. ori- 

 < ut'iUs: "I hardly like to say that it is nocturnal in its habits, still it is rarely met 

 with -luring the heat of the day; but in the country round Kevala Kangsar, IVrak, I 

 frequently saw it of an evening when on my way home after a day in the jungle; it 



