INTEODrCTIOir. 



8i 



red colour on the wing, whioh can be washed away with soap 

 and water. This colour is due to the presence of a pigment 

 which has been termed " Turacine," which has been shown to 

 contain copper. 



Fig. 83. 



The Green Tody (Todus viridis). 



About eight species o£ fruit-eating Birds are known as 

 Colies, and they are also exclusively inhabitants of Africa. Here 

 we again meet with a crested head, but their long tail amply 

 serves to distinguish them from the Plantain-eaters. The 

 White-backed Ooly {Colius mpetms) is not uncommon in 



G 



