498 ACCIPITRES. 



Micrastur concentricus, Strickl. Orn. Syn. p. 123 (ex Lesson). 

 a Trinidad (Argent) 1851. 



GERANOSPIZIAS. 



Ischnosceles, Strickland, Ann. & Mag. N. H. xiii. p. 409 (1844, 

 nee Burmeister). 



Geranospiza (rectius Geranospizias, Sundev.), Kaup, Isis, 

 1847, p. 183. 



2435. Geranospizias cserulescens. 



Sparvius ccerulescens, Vieill. N. Diet. d'Hist. N. x. p. 318. 

 Geranospizias ccerulescens, Sharpe, Cat. B. i. p. 81. 

 Ischnosceles gracilis, Strickl. Ann. & Mag. N. H. xiii. p. 409 ; 

 Orn. Syn. p. 124 (ex Teram.) 

 a (Arthur Strickland). 

 A species of wide range in South America. 



POL YB OROIDES. 



Polyboroides, Smith, S. Afr. Quart. Journ. i. p. 106 (1830). 



2436. Polyboroides typicus. 



Polyboroides typicus, Smith, S. Afr. Quart. Journ. i. p. 107: 

 Sharpe, Cat. B. i. p. 48. 



Polyboroides radiatus, Strickl. P. Z. S. 1850, p. 216; Oru. 

 Syn. p. 143 (partim, nee Scopoli). 



a $ Kordofan, 15 July (J. PethericJc} 1848. 



MELIERAX. 



Melierax, Gray, List Gen. B. p. 5 (1840). 



2437. Melierax canorus. 



Falco canorus, Rislach, in Thunb. Diss. Ac. iii. p. 264. 

 Melierax canorus, Strickl. P. Z. S. 1850, p. 215 : Sharpe, 

 Cat. B. i. p. 87. 



Melierax musicus, Strickl. Orn. Syn. p. 142 (nee Daudin). 

 a (Arthur Strickland), 

 A South -African species. 



