"Disarticulation of bird's skull. Membrane bones shaded. B.Oc., basioccipital; E.Oc., exoccipital; S.Oc.,…
"Fig 66 - Head of a chick, second stage, after five days of incubation, section in profile; x6 diameters.…
"Phalacrocorax bicristatus. Red-Faced Cormorant. Skull showing sto, occipital style or nuchal bone;…
"Schizognathous skull of common fowl, nat. size, from nature, by Dr. R.W. Shufeldt, U.S.A. Letters as…
"Dromaeognathous skull of ostrich, nat. size specimen no. 16,629, U.S. Nat Museum, by Dr. R. W. Shufeldt,…
"Columba livia. Skull of young specimen. A, dorsal; B, ventral; C, left side. al. s, alisphenoid; au,…
"Aegithognathous skull of raven, Corvus corax, nat. size, from nature, by Dr. R. W. Shufeldt, U.S.A.…
The skull of a bird. Labels: a, inferior aspect, the mandible being removed; b, lateral aspect; px,…
"Fig 64 - Skull of chick, fifth day of incubation, x 9 diameters. Seen from above, the membranous roof…
"Skull of a chick, but seen from below. cv1, anterior cerebral vesicle; e, eye; m, mouth; pts, pituitary…
"Side view of a woodpecker's skull, showing the long slender basihyal (bh), bearing slight elements…
"Schizognathous skull of common fowl. pmx, premaxilla; mxp, maxillopalatine; mx, maxilla; pl, palatine;…
"The post-oral arches of the house martin, at middle of period of incubation, lateral view, X14 diameters.…
"Desmognathous skull of mallard duck, Anas boscas, nat. size, from nature, by Dr. R.W. Shufeldt, U.S.A.…
"Dromaeognathous skull of a tinamou (Tinamus robustus); copies by Shufeldt from Huxley. Letters as before;…
"Top view of skull of Cloaptes, (flickers) showing thyrohyals running along the skull and into right…