PAGE. 
I. to THI. Larva, pupa, imago and eggs of Maltese Phlebotomus | 104 00 FACE MS 
TV. and V. African Anoplura and Mallophaga nes 600 506 Soe ala 
VI. Colour Conventions for Insects and Disease ... ‘ ary; 300 
VII. Topographical and Hydrographical Systems of Northern 
Nigeria ... 70 550 Rae nad 338 oe $655 es DO 
VIII. to XV. Views of Northern Nigeria ae f san ‘aise SOCRRN ch 356 
XVI. Sketch Map of the River Garara, N. Nigeria ae ne My HHS 
XVII. to XXI. Breeding Haunts of Glossina morsitans ae vas oo yO 
MAPS. 
PAGE. 
Map showing distribution of Tsetse-flies in Mozambique we 30C ... toface 42 
Sketch-map of Rovuma River and its affluents in Portuguese Hast Africa ...  ,, 46 
Map showing distribution of Glossina and Sleeping-Sickness in theGambia... ,, 240 
Map showing distribution of Glossina and Sleeping-Sickness in Northern 
Nigeria “06 as 500 awe 0 20 bec odo sy) eu 
vi 
PLATES. 
