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ENTOMOLOGICAL RESEARCH IN BRITISH WEST AIRICA. 
II. NORTHERN NIGERIA. 
By Jas. J. Stmpson, M.A., D.Sc. 
(With a Map showing the distribution of Glossina and sleeping sickness, two 
sketch maps and 16 photographs by the author.) 
(PLates VII.—X V1.) 
CONTENTS. 
Introductory 
. Geography of the Protectorate .. 
(a.) Position and Extent 
(6.) Mountain,and River Systems ... 
(c.) Vegetation 
. Climate and Rainfall 
. Population and Tribes 
. Narrative 
(a.) The River on 
(0.) Lokoja 560 
(c.) Offa to Zungeru ... au 
(d.) Zangeru and Environs ... 
(¢.) Zungeru to Yelwa 
(7.) Baro-Kano Railway 
(g.) Kateri 
(i.) Minna to Izon 
(.) The River Garara 
(j.) Derri to Bagana ... 
(k.) Bassa Province ... 
. Records of Blood-sucking Insects and other Henan from N. Nigeria 0c 
. Native names for Insects and Diseases carried by them 
. The Genus Glossina 
. Protozoal Diseases in Man and other Animals 
. Remedial Measures and Recommendations 
INTRODUCTORY. 
The following report on recent entomological investigations in Northern 
Nigeria is based on a short tour made by the writer, from the 11th of August. 
1910, to the 21st of January, 1911. 
But incorporated with my own observations 
