OF BIRDS. 



48. HELOTARSUS, Smith, 1830. Terathopius, Less. 1830. 



Teratopius, Pr. B. 1849. (Falco ecaudatus, Shaw.) 



49. HALIASTUR, Selby, 1840. Haliceetus, Sw. 1837. Den- 



tiger, HodffS. 1844. Ictinoaetus, Kaup, 1844. Ictinaetus, 

 Agass.,necJerd. Milvaquila, Burnt. 1850. (Falco Indus, 

 Bodd.) 



Subfam. IV. FALCONINJE, Sw. (G. of B. p. 19). 



*50. FALCO, Moehr. 1752, nee Linn. 1735. Falco, 4 div. Gw. 

 1788. Hierofalco, Cuv. 1817, etBoie, 1822. Rhyncho- 

 don, Nitzsch, 1840. Ichtbierax, Xa-op, 1844 a . Euhierax, 

 Webb Sf Berth. 1844. Jerafalco, Kaup, 1851. (Falco 

 peregrinus, Linn.) 



51. GENNAIA, Kaup, 1847. (Falco jugger, Gr.) 



52. HYPOTRIORCHIS, Boie, 1826. Falco, .Boie, 1822. Den- 



drofalco, G. R. Gr. 1840. (Falco subbuteo, Linn.) 



53. AESALON, Kaup, 1829. Astur, Boie, 1826, nee Lacep. 



Tinnunculus, p. Vieill. 1807 ? Hypotriorchis, p. Boie, 



1828. (Falco resalon, Gm.) 



54. IERACIDEA, GowZd, 1837. Hieracidea, Strickl. 1841. 



Jeracidea, Kaup, 1844. (Falco berigora, Fi#. <^ Horsf.) 



55. TiNNUNCULUS b , Ft7J. 1807 et G. R. Gr. 1840. Falco, 



Sav. 1809. Cerchneis, Boie, 1826. ^Egypius, Kaup, 



1829, nee Sav. 1809. Falcula, Hodgr*. 1837. (Falco 

 tiununculus, Linn.) 



56. TICHORNIS, Kaup, 1844. (Falco cenchris, Naum.) 



57. ERYTHROPUS, Brehm, 1828. Paimychistes, 1829, et 



Pannycbestes, 1847, lfMp. Panychistes, Pr. B. 1849. 

 (Falco vesperthms, Linn.) 



58. POECILORNIS, KM/>, 1844. Paecilornis, Pr. B. 1849. 



(Falco sparverius, Linn.) 

 f59. POLIHIERAX et Poliohierax, 1847, et Poliojerax, 1851, 



Kaup. (Falco semitorquatus, Smith.) 

 *60. HARPAGUS, Vig. 1824. Bidens, Spix, 1824. Diodon, 



Less. 1831, nee Linn. 1766. Diplodon, Nitzsch, 1840. 



(Falco bidentatus, Lath.) 

 f61. SPIZIAPTERYX, ^LMP, 1851. (Harpagus circumcinctus, 



62. IERAX, Vig. 1824, nee Leach, 1810. Hierax, Cm. 1829. 

 Jerax, et Zerax, Kaup, 1851. (Falco cserulescens, Linn.) 



Not employed after this date. The type was Falco frontalis, Daud. 

 b Not employed in 1816 nor in 1818. , 



