. On the natural history and classification of birds . than the tarsus; lateral toes unequal, the innershortest, and both slightly connected at their base ;hinder toe shorter than the middle; its claw shorterthan the toe. The flssirostral type. Z. genibarbis. Zool. 111. i. pi. 100. Subfam. SITTINGS. very straight, more or less cylindrical. Wingslong, pointed; the first quill hardly shorter than thesecond. Tail very short. Hind toe as long as themiddle. The flssirostral division. Sittella, Sw. Bill very straight; the gonys curvingupwards ; the sides greatly compressed: tip of th
. On the natural history and classification of birds . than the tarsus; lateral toes unequal, the innershortest, and both slightly connected at their base ;hinder toe shorter than the middle; its claw shorterthan the toe. The flssirostral type. Z. genibarbis. Zool. 111. i. pi. 100. Subfam. SITTINGS. very straight, more or less cylindrical. Wingslong, pointed; the first quill hardly shorter than thesecond. Tail very short. Hind toe as long as themiddle. The flssirostral division. Sittella, Sw. Bill very straight; the gonys curvingupwards ; the sides greatly compressed: tip of theupper mandible distinctly notched. Wings longerthan the tail. Tail very short, even. Feet large,resembling those of Sitta. Australia. S. chrysoptera. Lath. Supp. 2. pi. 127. Geositta, Sw. {fig. 283.) Bill longer than the head,trigonal at the base, cy-lindrical beyond. Cul-men rounded. The tip tof the upper mandibleentire, broader thanhigh, and slightly bentover the lower. Wingslong, pointed; thefirst quill nearly equal to the second and third, which. 318 ON THE CLASSIFICATION OP BIRDS. are longest; tertials lengthened. Tail slightly slender. Anterior toes rather short; the lateralones unequal, the claws small; hind toe as long asthe middje toe, but shorter than the tarsus; the clawmuch lengthened, and slightly curved. anthoides. Part 5. No. , Linnaeus, ( p. 136.) Bill moderate,very straight, euneated, somewhat cylindrical; the tipnot deflexed, and entire. Nostrils entirely concealedby tufts of incumbent feathers. Wings long; the firstquill spurious; the second slightly shorter than thethird, fourth, and fifth, which are equal, and short, soft, even. Feet short, strong. Clawsvery large, particularly the hinder one; the threeanterior cleft to their base. Lateral toes very unequal;the outer one not much shorter than the middle, theinner very short: hinder toe much longer than themiddle, and equal to the tarsus; the claw muc
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