I 



5. HIRTTNDO. 149 



Chaillii, Equal. Afr. p. 472 (1862) ; Gray, Hand-l. B. i. p. 71, 



no. 829 (1869). 

 Atticora nigrita, Bp. Consp. i. p. 337 (1853) ; Hartl. Oni. W.-Afr. 



p. 25 (1857). 

 Waldenia nigrita, Sharpe, Ibis, 1869, p. 461 ; id. P. Z. S. 1870, 



p. 304; id. Cat. Afr. B. p. 45 (1871); lleichen. J.f. 0. 1875, p. 21 ; 



SkarjK iSf- Bouvier, Bull. Soc. Zool. France, i. p. 38 (1876) ; Bocage, 



Orn. Angola, p. 188 (1877) ; Oust. Nouv. Arch. Mus. (2) ii, p. 96 



(1879). 

 Ptyoprogne nigrita, Oust. Bull. Soc. Philom. (7) i. p. 106 (1877). 

 Atticora fasciata, Forbes, Ibis, 1883, p. 503. 



Adult. Above glossy purplish blue, with a concealed patch of 

 silky white on the sides of the lower back ; chin dusky ; throat 

 white ; rest of under surface of body purplish blue, but a little 

 duller than the back ; tail-feathers distinctly washed with dark blue 

 above, brownish black below, with the greater part of the inner web 

 white : " bill and feet black ; iris dark brown "' (Reichenoiv). Total 

 length 4-5 inches, culmen 0-35, wing 4-3, tail 1-6, tarsus 0*35, 

 middle toe 0-4, hind toe 0*2. 



Young. Dusky purplish blue, the white throat-spot not quite so 

 large ; tail square or only slightly forked, and the white spots on 

 the inner web small and oval. 



Hab. "West Africa, from the Upper Gold Coast to Gaboon. 



a, b, c. Ad. sk. Ancobra River, Wasa Pro- Capt. Burton and Capt. 



vince, Gold Coast. Cameron [P.]. 



d. Ad. sk. Piver Prah. Godfrey Lagden, Esq. [P.]. 



e. Ad. sk. Axim (Swanzy). P. B. Sharpe, Esq. [P.]. 

 /. Ad.sk. Piver Niger. Capt. Allen [P.]. (Type 



of species.) 

 .9. 1mm. sk. GahooTi {Walker^. Sharpe Collection. 



'h. Ad. sk. Gaboon. ' M. Du Chaillu [C.]. 



i. Ad. sk. River Danger, Gaboon. Henry Ausell, Esq. [P.]. 



12. Hirundo atrocseriilea. 



Hirundo atrocasrulea, Sundcv. CEfv. K. Vet.-Akad. Fork. Stockh. 1850, 

 p. 107 ; Gurney, Ibis, 1863, p. 152 ; Layard, B. S. Afr. p. 55 

 (1867) ; Gurney, Ibis, 1868, p. 152 ; Gray, Iland-l. B. i. p. 70, 

 no. 822 (1869); Sharpe, P. Z. S. 1870, p. 312; id. Cat. Afr. B. 

 p. 46 (1871) ; id. ed. Layard' s B. S. Afr. p. 367, pi. 9. fig. 1 (1883). 



Adult. Entirely glossy blue-black, a little more dusky underneath ; 

 the shafts of the primaries and tail-feathers white and very plain on 

 the underside ; bill black ; feet dark brown. Total length 7'2 inches ; 

 of biU from front 0-3, from gape 0-5 ; wing 4-5, tail 4-6, tarsus 0*35, 

 middle toe 0-4, hind toe 0'2. 



Uah. South-eastern Africa. 



a. S ad. sk. Natal (7'. Ayres). J. H. Gurney, Esq. [P.], 



b. cJ ad. sk. Umvuli River, Natal Sharpe CoUection, 



( Wahlbery). 



