LIST OF ILLUSTRATIONS. 



To face 2>cgs 

 Plate I. Young Indicator variegatus showing development on 



mandibles. From a photo by R. H. Ivy 1 



II. Pterylosis oi Indicator. From a drawing by A. K. Haagner. 4 



III. Eggs of Passerine and Picarian Birds. From a painting by 

 H. Gronvold = 116 



IV. Eggs of Indicators, with those of hosts 103 



V. Female Jackal Buzzard at nest of S. A. Goshawlc. From a 



photo by Pv. H. Ivy 108 



VI. Young Jackal Buzzard in nest. From a photo by II. H. Ivy. 110 



VII. The late Dr. Edmond Syaioxds 167 



VIII. Nest of Black Sunbird. From a photo by A. D. Millar . . 185 

 IX. Nest of Square-tailed Drongo. From a photo by A. D. 



Millar 189 



X. Pigmy Falcon. From a photo by 0. B. Horsbrugh .... 217 



