75. i'ALCO. 391 



9. Falco tanypteruB. 



Falco biarmicus, Miipp. Neue Wirb. p. 44 (1835) ; Strickl. F. Z. S. 



1850, p. 215. 

 Falco tanypterus, Schl. Abhandl. Geb. Zool. ^c. p. 8, Taf. 12, 13 



(1841, ex Licht. Mus. Berol); Bp. Consp. i. p. 25 (1850); Licht. 



Nomencl. p. 5 (1854) ; Scl. P. Z. S. 1864, p. 107 ; Gray, Hand-l. 



B. i. p. 20 (1869) ; Blanf. Geol. 8f Zool. Abyss, p. 289 (1870) ; 



Finsch Sf HaHl. Vog. Osiafr. p. 67 (1870) ; Finsch, Tr. Z. S. vii. 



p. 203 (1871). 

 Gennaia tan^-pterus, Bp. Rev. et Mag. de Zool. 1854, p. 536. 

 Falco cervicalis, Horsf. Sf Iloore, Cat. B. Mus. E. I. Co. i. p. 22 



(1854) ; HaHl. Orn. Westafr. p. 261 (1857). 

 Falco lanarius nubicus, Schl. Mus. P.-B. Falc. p. 15 (1862). 



Adult. Intermediate in plumage between F. feldeggii and F. bi- 

 urmicus. When quite old, it never gets entirely unspotted on the 

 breast like the latter, but is always less so than in true F. fddeggiL 

 It is darker than either of its allies, and in size is slightly larger, as 

 will be seen by the following measurements : — 



Male. Female. 



Totallength. Wing. Totallength. Wing, 



inches. inches. inches. inches. 



Falco feldeggii 17 13-2 18 14-5 



,, tanyptenis .... 17 13"5 19 15 



„ biarmicus .... 15 12 16 14 



Hab. N.E. Africa, from Nubia to Unyamuesi : "W. Africa, on the 



Niger and in Aguapim. 



a, b. A ad. iuv. st Shoa (Harris). Secretaiy of State for 



' ■" India [P.]. 



c. 2 ad. sk. Mohaber, W. T. Blanford, Esq. [C.]. 



July 5, 1868. 



d. cJ ad. sk. Wandash Pass, W. T. Blanford, Esq. [C.]. 



April 25, 1868. 



e. 2 ad. sk. Bogos Land. Herr Esler 

 /. ? juv. sk. Bogos Land. Herr Esler 



10. Falco biarmicus. 



Falco biarmicus, Temm. PI. Col. i. pi. 324 (1825) ; Grag, Gen. of B. 



i. p. 19 (1844) ; Gumeg, Ibis, 1860, p. 207 ; Lagard, B. of S. Afr. 



p. 20 (1867). 

 Falco cbicqueroides, Smith, S. Afr. Q. Joum. i. p. 233 (1830), et 



P. Z. S. 1833, p. 45. 

 Falco lanarius cervicalis, Schl. Abhandl. Geb. Zool. p. 17 (1841, ex 



Licht. 3Ius. Berol). 

 Gennaia cervicalis, Kaup, Contr. Orn. 1850, p.65 ; Bp. Rev. et Mag. 



de Zool. 1854, p. 530. 

 Falco cervicalis, Licht. Nomencl. Av. p. 5 (1854) ; Bp. Consp. i. p. 24 



(1850) ; Gray, Hand-l. B. i. p. 19 (1869) ; Homeger,J.f. 0. 1871, 



p. 47 ; Gurmy in Anderss. B. Damara Ld. p. 13 (1872). 

 Falco lanarius capensis, Schl. Mus. P.-B. Falc. p. 16 (1862). 



