TABLE OF CONTENTS XI 



Account of the species — Continued. 



Superorder Neognathae — Continued. 

 Order Coraciiformes — Continued. 



Family Bucerotidae — Continued. Page 



Lophoceros jacksoni ■^25 



Lophoceros melanoleucos geloensis 425 



Lophoceros hemprichii hemprichii 428 



Bucorvus abyssinicus 431 



Order Piciformes ^^^ 



Family Capitonidae ^■^^ 



Lybius guif sobalito guif sobalito 434 



Lybius albicaudus senex 437 



Lybius bidentatus aethiops 440 



Tricholaema melanocephalum melanocephalum 443 



Tricholaema melanocephalum stigmatothorax J 444 



Tricholaema lacrymosum lacrymosum 446 



Tricholaema diadematum diadematum 447 



Pogoniulus pusillus uropygialis 451 



Pogoniulus pusillus affinis 453 



Pogoniulus chrysoconus xanthostictus 454 



Pogoniulus bilineatus ahus 455 



Trachyphonus erythrocephalus jacksoni 457 



Trachy phonus margaritatus somalicus 461 



Trachyphonus darnaudii bohmi 464 



Family Indicatoridae 466 



Indicator indicator 466 



Indicator variegatus variegatus 468 



Indicator variegatus jubaensis 471 



Indicator minor erlangeri 471 



Prodotiscus regulus peasei 472 



Family Picidae 



Campethera taeniolaema hausburgi 474 



Campethera nubica nubica : — 475 



Campethera nubica pallida 480 



Dendropicos fuscescens massaicus 481 



Dendropicos fuscescens hemprichii 484 



Dendropicos abyssmicus ^°' 



Thripias namaquus schoensis 488 



Mesopicos goertae spodocephalus 491 



Jynx torquilla torquilla 493 



Jynx rufieollis aequatorialis 494 



Explanation of plates 



Index 499 



LIST OF ILLUSTRATIONS 



TEXT FIGURES 



Page 



Figure 1. Route of the Frick Expedition, showing most of the important 



collecting localities ' 



2. The distribution of Afribyx senegallus in northeastern Africa: 

 1. Afribyx senegallus senegallus; 2. Afribyx senegallus 

 major; 3. Afribyx senegallus lateralis 1"2 



