. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. llariiorUijuchiis ru/iis. Tuxnstnmn, WAt;i,F:i:, Isis, 1S31, 528. iTyi**' '/'• letnlit, VVa<:l., not ,<^ntiin, \\\v. 1»16.) llariKs, (,, Pr. A. X. S. Tliila. II. 1845, 'liW. {J\\n' /fmjHs irdicirus, (Jamu., not ss, 1S:{!».) , ('AiiAMs, Aivliiv f. Natur^'. 1848, i. i»S. iTvjm- I/hijms rniiricKs, Cxmu.) McthiUtptiiiis, KkkII. Av. Nat. 1850, \A. iv. (TyiH- sjii*! by
. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. llariiorUijuchiis ru/iis. Tuxnstnmn, WAt;i,F:i:, Isis, 1S31, 528. iTyi**' '/'• letnlit, VVa<:l., not ,<^ntiin, \\\v. 1»16.) llariKs, (,, Pr. A. X. S. Tliila. II. 1845, 'liW. {J\\n' /fmjHs irdicirus, (Jamu., not ss, 1S:{!».) , ('AiiAMs, Aivliiv f. Natur^'. 1848, i. i»S. iTvjm- I/hijms rniiricKs, Cxmu.) McthiUtptiiiis, KkkII. Av. Nat. 1850, \A. iv. (TyiH- sjii*! by (Iniy to l»t' II. I'uj'its.) Okx. (-'iiAii. Bill from foiflicad as \o\\\i as. or inucli ]oii;„'fr tliaii tlu' lu'ad; lu'coiniiiL; Mion' ami iiioiv »U'furv»'tch. Kit-tiis with the hristh'S ('xtt'iidin^' hi'voud the nostrils. Tarsus lonir and stout, appnciahly exceedinj,' the luitldlc toe and elaw, stron<,'ly s<Mitellalc anteriorly. Wings eonsidt-raltly shorter than tail, much rounded ; the tirst ([uill more than hall' the .second ; fourth or tilth lonjjest. Tail larjje, much <rraduated ; the feathers liim. Tlie s|)ecies of this genus aiv all of lai"ge size, in fact, enilmicing the laigt'.st of the Anieiioan slender-billed os- eine birds. All the species differ in structure, varying especially in tlie length of the l»ill, Jis above stated. It is useless to attempt a division of this genus, for tlun'e is such a gradual chain of charactei"s between the two extremes of form (ntfifs and crissd/is), that they even seem almost one species, when the numerous intermediate forms, shading so insensi]»ly into each other, are considered. However, as this view would be rather extreme, in view of the really great difference of form between the species mentioned, we may consider the following as good species, several of them with one or more varieties: rhfus, with long'uavda and louijii'itstrU jis varieties, the former scarcely appreciably ditferent, the latter
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectbirdsnorthamerica
