xii LIST OF ILLUSTRATIONS 



OPPOSITE PAGE 



PARA RUBBER TREE (Hevea brasiliensis), TAPPED AT ABURI 61 

 RUBBER TREE TAPPED, HERRING-BONE SYSTEM IMPERFECT, 



ABURI 61 



NIGERIA SOUTHERN PROVINCES 



SKETCH MAP OF SOUTHERN NIGERIA .... 93 



STRAINING OIL FROM THE FIBROUS PULP OF THE OIL PALM, 



OSHOGBO ........ 97 



COTTON BALES, MARLBOROUGH GINNERY, IBADAN . . 97 



AFARA TREE (Terminalia superba) AT OLOKOMEJI . . 97 



DWARF CATTLE, ILLARA 119 



Owo 119 



NIGERIANORTHERN PROVINCES 



HAUSSA CULTIVATING IMPLEMENTS (LEFT TO RIGHT : I. 

 FATAINYA, II. GARMA, III. SANGUMI), NORTHERN 

 PROVINCES . . . . . . .119 



SKETCH MAP OF NORTHERN NIGERIA . . . .120 



SHEA-BUTTER TREE (Butyrospermum Parkii), WITH NUT- 

 COLLECTORS, ILORIN . . . . . .130 



YIELDING GUM TREE (Acacia caffra) AT KONTAGORA . 130 

 LOCUST-BEAN TREE (Parkia filicoidea) AT ILORIN . .130 

 VILLAGE OF FOGOLA, BUILT OF GUINEA-CORN STALKS . 137 

 OUTSIDE THE EMIR'S PALACE, KANO . . . .137 



NEAR THE SOUTHERN GATE, ZARIA .... 137 



BRITISH COTTON GROWING ASSOCIATION GINNERY, OGUDU, 



ILORIN ......... 155 



GWARI TOWN, OPPOSITE MINNA, SOUTH OF ZARIA . .155 

 Cow FULANI WOMAN SELLING MILK AT GWARI . .155 



