22. ASTUR. 113 



crossed with seven distinct blackish bars, more distinct on the 

 under surface, which is whitish, and more numerous on the outer 

 feather ; iris yellow. 



Adult ni'ile. Clear bluish ashy above, with concealed white mark- 

 ings on the scapulars and inner secondaries, the sides of the face 

 paler ashy grey ; throat white, with scarcely any indication of a 

 central streak ; under surface of body dull salmon-rufous, barred 

 with white, the bars gradually diminishing on the thighs ; under 

 tail-coverts white ; under wing-coverts buffy white, with faint 

 iadications of dusky cross bars ; the axillaries plainly barred with 

 dull salmon -rufous like the chest; secondaries uniform with the 

 back, primaries blackish externally, shaded with ashy, otherwise 

 barred Kke the young bird ; tail bluish ashy above, tipped with 

 white, the cross bars about six in number, but nearly obsolete on 

 the central and outer tail-feathers, being more numerous but re- 

 duced to narrow lines on the latter ; cere yellow ; bill black ; feet 

 dark yellow ; iris orange, deepening to scarlet with age. Total 

 length 11-5 inches, culmen 09, wing 7, tail 5-7, tarsus 1"85. 



Adult female. Similar to the male, but larger. Total length 12-3 

 inches, wing 7-6. 



Very old birds lose the barred character of the upper part of the 

 breast, it becoming gradually merged by the disappearance of the 

 whitish cross bars, lea\'ing this part uniform. 



Hah. N.E. Africa and Senegambia. 



a. Ad. St. River Gambia. Purchased. 



b. S ad. St. West Africa. Earl of Derby [P.] 



c. S ad. sk. West Africa. Sir A. Smith " 



d. 2 juv. sk. West Africa. Sir A. Smith 



P. 

 P. 



c:i. 

 :c.]. 



") /• d" 2 ad. sk. Bogos Land. Herr Esler 



g,h. c? 2 juv. sk. Bogos Land. Herr Esler 



i. 2 juv. sk. .A.nseba vallev. W. T. Blanford^ Esq. [C.]. 



./. d' ad. sk. Mohaber, Lebka vallev, W. T. Blanford, Esq. [C.l. 



July 8, 1868. 



/.-. c? juv. sk. Mohaber, Lebka vallev, W. T. Blanford, Esq. [CI. 



July 8, 1868. 



Subsp. e. Astur polyzonoides. 



Accipiter polvzonoides. Smith, III. Zool. S. Afr. pi. 11 (1849) ; Layard, 

 B. S. Afr. p. 29 (18G7) ; Gurnet/, Ibis, 1868, p. 144; A>/res, Ibis, 

 1869, p. 289 ; Gump;/ in Anderss. B. Dam. Ld., p. 38 (1872). 



Nisus polyzonoides, Bp. Rev. et Mar/, de Zool. 18o4, p. 538. 



Micronisus polyzonoides, Sd. Ibis, 1864, p. 30l5 ; Grai/, Hand-l. B. 

 i. p. 3-5 ; Socage, Joni. Acad. Lisb. 1870, p. 338. 



Nisus badius, Finsch ^- Hartl. Tog. Osfafr. p. 81 (1870). 



Adult. Above clear ashy grey, the concealed base of the scapulars 

 white, with which the nape also is mottled ; sides of the face ashy 

 grey like the head, but a little paler ; wing-coverts rather darker 

 than the back, and of a deeper slate-colour ; quiUs brown, paler on 

 the outer web. the secondaries ashy grey like the back, all the quills 

 barred with blackish on the inner web. more plainly on the under 

 surface, which is for the most part white ; tail ashy brown, whitish 



VOL. I. 5 



