G. MOESITANS, FOEM SUBMOESITANS. 51 



dark patch beyond middle • a dark brown elongate blotch on 

 under side of middle and hind femora near distal extremity ; 

 middle and hind tibiae sometimes more or less infuscated on outer 



Fig. 15. 



Distal portion of abdomen of Glossina longipalj/is, Wied., i (ventral 

 aspect), showing (A) hypopygium and the hectors * above it. (X 15.) 



side ; penultimate joint of hind tarsi narrowly pale at extreme 

 base. 



Wiiif/s faintly tinged with drab. Squamae waxen-white, with 

 cream-coloured border and fringe (fringe of antisquama brownish). 

 Halteres cream-coloured. 



Glossina morsiians, form suhmorslfans, Xewst. 



Glossina submorsitans, Newstead, Anuals of Tropical Medicine and Parasit- 

 ology, Series T. M., Vol. IV, No. 3, p. 371 (December 20, 1910); 

 Bulletin of Entomological Research, Vol. II, Part 1, ]). 33, fig. 17, 

 p. 34 (male genitalia) (April, 1911). 



Relying chiefly on certain differences in the internal genital 

 appendages of the male, Mr. Newstead has recently described 

 this form as a species allied to the true G. morsitans, Westw. ; 

 but after making a minute external examination of the very 

 large number of typical and other specimens of G. morsiians, 

 Westw., received within the last few years by the British 

 Museum (Natural History) from many different localities in 

 Africa, and comparing with them the types of the supposed new 

 species, which have been kindly presented to the National 



* See p. 14 (first paragraph and note *). 



