. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . middle of period of incuba-tion, lateral view, x 14 diameters, mk, stumpof meckelian or mandibular rod, its articularpart, ar, already shapen; q, quadrate bone, orsuspensorlum of l
. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . middle of period of incuba-tion, lateral view, x 14 diameters, mk, stumpof meckelian or mandibular rod, its articularpart, ar, already shapen; q, quadrate bone, orsuspensorlum of lower jaw, with a free anteriororbital process and long posterior otic processarticulating with the ear-capsule, of which teo,tympanic wing of occipital, is a part; msi,est, sst, ist, sth, parts of the suspensoriura ofthe third post-oral arch, not completed to chy;vist, medio-stapedial, to come away from teo,bringing a piece with it, the true stapes or co-lumella auris; the oval base of the stapes fit-ting into the future fenestra ovalis, or ovalwindow looking into the cochlea ;sst, supra-sfio-pedial; est, extra-stapedial; ist, infra^stapedial,which will unite with sth, the stylo-Iiyal;cky and bhy, cerato-hyal and basi-hyal, distalparts of the same arch; 66r, br 1, br 2, basi-branchial, epi-branohial and oerato-branchialpieces of the third arch, composing the rest ofthe hyoid bone; tg, tongue. (After Parker.). Fig. 68. — Skull of cMck, second stage, inprofile, brain and membranes removed toshow cartilaginous formations, X 4 , ethmoid, forming median nose-parts andinter-orbital septum; developing lateral parts,as ate, aliethmoid, als, aliseptum, aln, alinasal,pp, partition between nose and eye; pn, pre-nasal cartilage; ps, presphenoidal part of mid-ethmoid; 2, optic foramen; as, alisphenoid,walling brain-box in front; pf, post-frontal,bounding orbit behind; joa,j?ff, palatine andpterygoid; q, quadrate; so, supra-occipital;eo, ex-occipital; oc, occipital condyle, bo
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
