. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. 4 NOUTII AMEHICAX BIRDS. long- and pointorl, with first primary (U'ss tlian one foiirtli tho socond); winf]cs pon- sidcralily lonp-r than thr tail, which is linn, nearly even, with hroad li'atln'rs. Tarsi variabic-, scldctin as loiij; as tho skull, the sciitelhi' instil into a continuous plate, only in rare individual instances showing indications oi" the lines ol'separation. The genus Tnrdtfs is very cosi
. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. 4 NOUTII AMEHICAX BIRDS. long- and pointorl, with first primary (U'ss tlian one foiirtli tho socond); winf]cs pon- sidcralily lonp-r than thr tail, which is linn, nearly even, with hroad li'atln'rs. Tarsi variabic-, scldctin as loiij; as tho skull, the sciitelhi' instil into a continuous plate, only in rare individual instances showing indications oi" the lines ol'separation. The genus Tnrdtfs is very cosiiiopolitiiii, occiinii'g nearly throughout the glol)e, exee])ting in At(str<ilii(, and enihraces species of higliest perleetion as singers. In the Lirge niunber of species known tliere are many varia- tions in external form, but the transition from one to the other is so gradual as to render it very ditticidt to separate them into diflerent genera. The sections of the group we ado])t are the following: — ikxcs similar. Hylocichla. Smallest species. Hill short, hroad at base ; much depn-ssed. Tai-si long and slender, longer than middle toe and i law, by the additional lenu'th of the elaw ; ontstretehed legs reaching nearly to tip of tail. Bovly slender. Color: above olivaceous or reddish, bein*ath whitish ; Ijreast spotted ; throat without sjKjts. Turdus. Bill stouter and hiecies, with Turdus mus- tclinus, Gm., at the head as type, which are closelv connected on tlie one side with CatharuA, by their lengthened tarsi, and with Turdus by the shape of the wing. The bills are shorter, more dei>ressed, and broader at base than in typi- cal Turdus, so much so that the species have fre([uently been de- scribed under Muscicapa. It is not at tdl improbable that naturalists may ultimately conclude to consider the group as of generic rank. In this group there appears to be five well-marked forms or "; They are, mustclinus, Gm., 'palhisi, Cabau., fusccsccns, Step
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectbirdsnorthamerica
