15. CHORDEILES. 609 



e. Ad. sk. S. Australia. Capt. Sturt [0.1. 



/. Ad. sk. Queensland {J. T. Cockcrell). Tweeddale Coll. 



g. Imm. sk. N.E. Australia. Purchased. 



h, i. Ad. sk. Tort Albany {Coxen). Tweeddale Coll. 



k. Ad. St. lied ^Vallis Island. Earl of Derby [P.]. 



I. Ad. sk. N. Australia. Capt. Chambers [P.]. 



m, n. S ?ad. sk. Derby, N.W. Australia {T. H. Capt. Bowyer Bower 



Bmvyer Bower). '^P-l- 



o, p. c? ad. sk. N.W. Australia. J. R. Elsey, Esq. [P.]. 



q. (S ad. sk. Shark Bay, W. Australia, May. Dr. Rayner [P.]. 



(?) /•. Pull. sk. Topaca, New Ireland. Rev. G. Brown [C.]. 



3. Eurostopus nigripennis. 



Eurystopodus nigripennis, Rams. Pr. Linn. Soc. N. S. W. vi. p. 843 



(1881 ) ; Sd. Ibis, 1882, p. 465, note. 

 Caprimulgus nobilis, Tristr. Ibis, 1882, p. 134, pi. iii. (Rendova, 



Solom. 1.). 

 Eurostopus nigripennis, Salvad. Orn. Papuas. iii. p. 628 (1882) ; id. 



Agg. Orn. Papuas. 1. p. 63 (1889) ; Ramsay, Pr. Linn. Soc. N. S. 



W. vii. p. 19 (1882). 



Adult female (type of E. nohiUs). Similar to E. alhigularis, but of 

 the size of E. argus, from which it is at once distinguishable by 

 the want of the white mark on the first primary and by those of the 

 next primaries being much smaller and bordered with a rusty shade ; 

 lower abdomen and under tail-coverts barred ; smaller under wing- 

 coverts barred ; scapulars for a great part of the tips deep brownish 

 black, with small rufous spots. Total length about 12 inches, win"- 

 8-8, tail 5-9. (Mus. H. B. Tristram.) ' '^ 



Hah. Rubiana and Eendova Islands, Solomon Group. 



15. CHORDEILES. 



Type. 

 Chordeiles, Swains. Faun. Bor.-Am. ii. p. 496 (1831).. . C. viro-inianus. 

 Rmi(/e. The whole of North and South America. 



J^ey to the Sjjecies. 



A. Abdomen uniform white ; three outer pri- 



maries uniform brown, inner primaries with 



large patches of white rtipestris, p. 617. 



B. Abdomen not entirely white ; three outer pri- 



maries with white or buff patches. 



a'. Wing less than 5'5 inches pusillus, p. 618. 



b' . Wing more than 55 inches 



«". Without distinct rufous spots to the pri- 

 maries, anterior to the white patch ; 

 white patch in male extending over five 

 outer quills, sometimes indicated on the [pp. 610-614. 



sixth virginiumis and allies, 



b" . With distinct rufous markings on quills, 

 anterior to the white patch ; white 



patch in male extending over four outer [pp. 614-616. 



quills, rarely indicated on the fifth .... acutipennis and allies, 

 VOL. XVI. 2 E 



