Of the following color illustrations, plates 22-25 are 

 reproduced by special permission from the April 1954 

 issue of the National Geographic Magazine. 



Plate 21 

 Upper left: Slender-billed honey-guide (Prodotiscus insignis); upper right: least honey- 

 guide (Indicator exilis); center: variegated, or scaly-throated, honey-guide (I. variegatus); 

 lower left: Zenker's honey-guide (Melignomon zenkeri); lower right: Malayan honey-guide 

 (I. archipelagicus). 



Plate 22 

 Greater honey-guide (I. indicator) and ratel (Mellivora capensis). 



Plate 23 

 Upper left: Orange-rumped honey-guide (I. xanthonotus); upper right: lyre-tailed honey- 

 guide {Melichneutes robustus); left center: greater honey-guide (/. indicator); lower left: 

 sharp-billed honey-guide (Prodotiscus regiihis); lower right: spotted honey-guide (I. 

 maculatus). 



Plate 24 

 Lesser honey-guide (I. minor) being driven by black-collared barbets (Lybins torqiiatus) 

 from their nesting hole. 



Plate 25 

 Female greater honey-guide (I. indicator) at nesting hole of a pair of violet-backed starlings 

 (Cinnyricinclus leucogaster). 



