PASSERES. 9 



c 7 . Each nostril covered by a 



single stiff feather Regulidae, vol. i. 



b G . Plumage of the nestling re- 

 sembling that of the adult 



female but brighter . Sylviidae, vol. i. 



c 6 . Plumage of the nestling cross- 

 barred Laniidae, vol. i. 



d '. Plumage of the nestling- 

 streaked. 

 d 7 . With rictal bristles. 



c 8 . First primary quite half 



the length of second . . Oriolidae, vol. i. 

 d s . First primary much less 

 than half the length of 



second Eulabetidae, vol. i. 



e\ Without rictal bristles .... Sturnidae, vol. i. 

 e. Plumage of the nestling mot- 

 tled or squamated. 

 f '. Nostrils more or less covered 



by hairs Muscicapidae, vol. ii. 



g 7 . Nostrils not covered by any 



hairs Turdidae, vol. ii. 



b 5 . Nostrils pierced partly within the 

 line of the forehead ; the space 

 between the nostril and the edge 

 of the mandible greater than the 

 space between the nostril and 



the culnaen Ploceidas, vol. ii. 



b 4 . Tongue tubular Nectariniidae, vol. ii. 



b'". AVing with nine primaries, first and 



second nearly equal. 

 c 1 . Bill flat, broad, and notched; the 

 longest secondaries reaching to 



the middle of the wing Hirundinidae, vol. ii. 



d*. Bill conical, pointed, and entire ; 

 the longest secondaries reaching 

 to a point midway between the 

 middle of the wing and the tip . . Fringillidae, vol. ii. 

 e l . Bill long, slender, and notched; 

 the longest secondaries reaching 

 nearly, or quite, to the tip of the 



wing Motacillidae, vol. ii. 



b". The hinder part of the tarsus trans- 

 versely scutellated Alaudidas, vol. ii. 



b'. Both mandibles finely and evenly serrated 



on the terminal third of their edges .... Dicaeidae, vol. ii. 



b. (Mesomyodi.) The intrinsic muscles of the 

 syrinx fixed at or near the middle of the 

 bronchial semi-rings Pittidae, vol. ii. 



