298 OTiDiDj;. 



a. Ad. sk. Benguela. Monteiro Coll. 



(Type of 0. inctiirata.) 



b. (S ad. st. Great Namaqua-land. C. J. Andersson [C.]. 



3. Heterotetrax humilis *. 



Svpheotides humilis, Blijth, J. A. S. Benn. xxiv. p. 30o (18-56) ; Scl. 



Ibis, 1860, p. 248. 

 Eupodotis humilis. Fin-sch ^- Hartl. Vor/. Ostafi: p. 618 (1870); 



Grai/, Hand-l. B. iii. p. 8, no. 9928 (IStl). 

 Otis humilis, Heugl. Orn. N.O.-Afr. ii. pt. 1, p. 9.59 (1873). 



Adult male. General colour above pale sandy colour, minutely 

 vermiculated with blackish lines, and blotched with black spots and 

 bars on the mantle and back ; wing-coverts like the back, but more 

 coarsely and irregularly vermiculated with black, with wide spaces 

 of pinkish isabelline, on which very few black lines appear ; inner 

 secondaries like the coverts ; outer median and greater coverts 

 Kghter and more ashy and creamy white on the outer web, the 

 greater series with a black band at the tip ; bastard-wing and 

 primary-coverts creamy white, with the terminal half black ; quills 

 blackish, ashy on the inner web ; the outer primaries brown and the 

 secondaries white at the base of both webs ; tail-feathers pinkish- 

 sandy colour, crossed with wavy lines of black, and having two 

 or three narrow bars of black ; head and neck bluish grey, sandy- 

 coloured on the crown, which is finely vermiculated with black; 

 sides of crown and sides of face bluish grey ; feathers round the 

 eye and cheek-stripe white ; chin white ; throat black, concealed 

 by white tips ; neck ashy but somewhat shaded with sandy, and 

 minutely vermiculated with blackish lines ; breast and remainder 

 of under surface of the body, as well as the under wing-coverrs, 

 white; axillaries black. Total length 16 inches, culmen 1-2, wing 

 10-1, tail 4-6, tarsus 2-35. 



Adult female. Differs from the male in being much more coarsely 

 marked above, without the fine vermiculations of the male ; the 

 back and wing-coverts mottled with heart-shaped patches of pinkish 

 isabelline, in which are coarse black bars and heart-shaped blotches 

 of black : head and neck like the back and streaked with isabelline ; 

 throat white ; breast and under wing-coverts creamy white ; axil- 

 laries black, tipped with white. Total length 14-5 inches, culmen 

 1-25, wing 9-7, tail 4, tarsus 2-4. 



Hah. Somali-land. 



6. NEOTIS. 



Ivpe. 

 Neotis, Sharpe, Bull. Brit. Orn. Club, ix. p. 1 (June 



1893) N. ludwigi. 



Range. Confined to Africa. 



* I am indebted to the kindness of Mr. Eowland Ward for the opportunity 

 of describing these specimens. 



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