441 



CIRCUS SWAINSO'NL 



(PALLID HARRIER.) 



Circus swainsonii, Smith, S. Afr. Quart. Journ. i. p. 384 (1830). 



Circus superaliaris, Smith, torn. cit. p. 385 (1830). 



Circus cyaneus, Frankl. Proc. Zool. Soc. 1830, p. 115 (nee Linn.). 



Circus albescens, Less. Traite d'Orn. p. 85 (1831). 



Falco cequipar, Cuv., fide Less. Traite d'Orn. p. 85 (1831). 



Circus pallidus, Sykes, Proc. Zool. Soc. 1832, p. 80. 



Falco lierbmcola, Tickell, Journ. As. Soc. Beng. ii. p. 570 (1833). 



Circus dalmatinus, Riipp. Mus. Senck. ii. p. 177, pi. xi (1837). 



Strigiceps pallidus (Sykes), Bp. Comp. List, p. 5 (1838). 



Circus (Pterocircus) pallidus (Sykes), Kaup in Wiegm. Arch. xvi. p. 32 (1850). 



Circus cequipar (Cuv.), Puch. Rev. Zool. 1850, p. 14. 



Circus [Glaucopteryx) pallidus (Sykes), Kaup, Contr. Orn. 1850, p. 58. 



Strigiceps swainsoni (Smith), Bp. Rev. Crit. p. 133 (1850). 



Circus desertorum, C. L. Brehm, Vogelfang, p. 33 (1855). 



Strigiceps desertorum, L. Brehm, Naumannia, 1855, p. 269. 



Glaucopteryx pallidus (Sykes), Gray, Hand-1. of B. i. p. 37. no. 370 (1869). 



Circus macrurus, Sharpe, Cat. Accip. p. 67 (1874, nee Gm.). 



Busard pale, French ; Albanella siciliana, Italian ; Bii-ghadam-abiad, male, Bii-ghadam, 

 female, Maltese; Steppen-Weihe, German; Blek Kdrrhbk, Swedish. 



Figure notabiles. 



Fritsch, Vog. Eur. taf. 9. fig. 8, taf. 10. fig. 2 ; Naumann, Vog. Deutschl. taf. 348 ; Sundevall, 

 Svensk. Fogl. pi. 62. fig. 4 ; Gould, B. of Eur. pi. 34 ; Susemihl, Vog. Eur. taf. 30 ; Smith, 

 111. S.-Afr. Zool. pis. 43, 44. 



<5 ad. capite et corpore supra canis, pileo pallidiore, supracaudalibus albis cinereo-cano fasciatis : rectricibus 

 centralibus dorso concoloribus, reliquis albis saturate cinereo fasciatis : primario externo saturate 

 cinereo, reliquis ad basin pallidis, versus apieem nigricantibus, secundariis et tectricibus alarum dorso 

 concoloribus : mento, capitis lateribus et gula albis vix cinereo tinctis : corpore subtus albo, hypo- 

 chondriis indistincte striatis : subalaribus et remigibus subtus ad basin albis, his ad apieem nigris : 

 rostro nigricante : cera, iride et pedibus pallide flavis. 



2 ad. fern. Circi cineracei similis, sed pallidior et minus rufescens : corpore subtus cervino-albo, fusco-striato. 



Adult Male (Guzdad, 15th January). Upper parts blue-grey or dark French grey, the head paler; upper 

 tail-coverts white, barred with dark blue-grey; central rectrices blue- grey, the remainder white, barred 

 with dark blue-grey ; first primary dark ashy blue, the remainder light at the base, becoming blackish 



3k 



