206 PTEROCLID^. 



(h) Lores and band encircling back of head pearly 

 grey; cbeeks, ear-coverts and throat orange yellow; 

 centre of abdomen black P. senegallus. 



B. With pectoral band. 



(a) Without black bar on forehead. 



(a') Median rectrices not lengthened beyond rest; upper 

 part of throat and sides of neck rufous ; lower portion 

 of throat black ; band on lower part of breast, abdomen 



and flanks black P- arenarius. 



{b') Median rectrices greatly lengthened beyond the rest. 

 (a)" Throat yellow ; black band across breast ; abdomen 



and flanks chestnut f. exustus. 



[b") Throat and stripe behind the eye black; sides of 

 throat rufous ; centre of breast chestnut, bordered 

 above and below with black ; rest of under parts 

 white F- alchata. 



(b) With black bar on forehead, 

 (a') Breast uniform greenish buff'. 



(a") Throat pale buff"; upper part of breast buff, crossed 

 with numerous narrow black bars ; middle of breast 

 uniform buff", crossed in the centre by a nai-row black 

 bar and another of the same hue on its lower edge; 

 rest of under parts yellowish whitCj barred narrowly with 

 black P. lichiensteini." 



Pterocles COronatUS, Licht. Vera, d' Douhl. p. 65 ; Tern. PL 

 Col. No. 339, 34U ; Heugl. Sy^t. Ueber. N. 0. Afr. p. 304 ; Ibii. 1864, pp. 

 27, 240; id. 1870, pp. 9,16," 1871, p. U4;8tr. F. i. p. 224; id- (1876); 

 iv. p. 230 ; Blf. East. Pers. ii. p. 272; Murray, Edbk., Zool., Sjc, Sind, 

 p. 200; Mliott, P. Z. 8. 1878, 282.— The Coeonated Sand Geouse. 



Male. — A line on each side of the forehead from the nostrils to above 

 the eye black, and a pale fulvous one between these from the point of the 

 forehead. Crown of the head pale chestnut, vinous or rufesceut fawn. 

 A pearly grey band from the anterior angle of the eye, continued as a 

 supercilium and extending round to the nape ;* lores and a narrow 

 band edging the black chin and throat stripe white ; sides of the face, 

 ear-coverts and the neck all round orange buff'; base of the neck and 

 upper back isabeUine, the feathers edged dusky grey ; interscapulars 

 the same, with median buff'y spots at the tips ; rump and upper tail' 

 coverts a dai-k or dirty grey, mixed with the fulvous of the base of the 

 feathers ; tail with the median rectrices of a pale vinous colour, dark 

 shafted, with a subterminal dark spot, and very narrowly tipped with 

 white ; lateral feathers deeper vinous with also a subterminal dark bar, 

 and broadly tipped with white ; all the feathers with a few dusky sprinkles 

 behind the dark band ; primaries and their coverts dull grey or dusky 



* In two specimens I possess ttere is a distinct pearly gi'ey band across the 

 forebead immediately behind the termination of the black forehead stripes. 



