G. NEOiis. 299 



Keij to the Species. 



a. With no rufous patch on the chest helow the throat- 



J);ltch. 



a'. With sandy-buft' bands mottled with black on 



the tail-feathers ; back and lesser winjr-coverts 



with numerous spear-shaped markings of sandy 



buff. 



a". Throat and fore neck brown, like the sides of 



the lace and the top of the head ludwir/i, p. 290. 



//'. Tliroat and fore neck black ; crown of head 



a.shy black, as also the sides of the face .... hurchdli, p. 300. 

 b'. With white bauds on the tail ; with a white 

 eyebrow ; no sag^ittate marks on the back 

 or wing-coverts, the latter being like the 

 back. 

 c". Throat and chest blue-grey ; upper throat 

 white, lower throat freckled with black and 



white cross markings ccffi'Ci P- 301. 



d". Throat white ; lower throat and fore neck 

 dusky brown with a greyisli shade, and 

 freckled with black and dusky cross markings denhami, p. 302. 



b. With a rufous patch across the fore neck; U])])er 



surface with sagittate markings of sandy buff; 

 tail ashy mottled with blackish, and with a broad 

 subterminal bar of black lieuglini, p. 303. 



1. Neotis ludwigi. 



Otis colei, SmitJi, S. Afr. Q. Journ. Uct. 1831, p. G3, note (nomen 



nudum). 

 Otis ludwigii, Riipp. Mm. Senckenh. ii. p. 223, tab. xiv. (1837) ; Schl. 



Mhs. Pays-Bas, Cursores, p. 7 (180")): Heiif/I. Orn. N.O.-Afr. ii. 



pt. 1, p. 964, note (1873; ; Sharpe,cd. Lat/ard's B. S. Afr. pp. Ii3(>, 



8o4 (1884 : Orange River) ; Hartert, Kat. Joy. Mus. Senckenb. 



p. 208 (18U1). 

 Eupodotis ludwigii, Grai/, List GrallcB Brit. Mus. p. 58 (1844) ; id. 



Gen. B. iii. p. 533 (184.5) ; Rcichenb. Hundb., Gidl. tab. cdvi. 



figs. 2176-77 (1848) ; Bp. C. R. xliii. p. 416(1856) ; Lm/ard, B. S. 



Afr. p. 284 (1807: migrant); id. Ibis, 1860, p. 7o ; Ai/res, Ibit, 



18(j9, p. 299 (Potchefstrooni, breeding) ; Grai/, Hand-l. B. iii. p. 7, 



no. 9016 (1871) ; Butler, Feildcn, ^- Reid, Z<jol. 1882, p. 240 



(Natal). 

 Neotis ludwigi, Sharpe, Bull. B. 0. C. i. p. 1 (1893). 



Adult male. General colour above brown, profusely variegated with 

 black wavy lines and blotched with large arrow headraarks of unitbrm 

 sandy buff; scapulars and inner secondaries like the back, but the 

 blotches taking the form of bands ; lower back, rump, and upper 

 tail-coverts sandy buff", rather more finely vermiculatcd ; the upper 

 tail-coverts a little more coarsely lined with indications of narrow 

 bands ; lesser wing-coverts like the back, those on the bend of the 

 wing white with blackish spots ; median coverts for the most part 

 blackish, with broad sandy-coloured bands, which are freckled with 

 blackish; greater coverts almost entirely black, with more or less 

 vermiculations on the inner web ; primary-coverts also black, with 



