ClipArt ETC
"Columba livia. Skull of young specimen. A, dorsal; B, ventral; C, left side. al. s, alisphenoid; au, angular; ar, articular; b. o, basi-occipital; d, dentary; e. o, ex-occipital; eu, aperture of Eustachian tube; f. m, foramen magnum; fr, frontal; i.o. s, inter-orbital septum; ju, jugal; lc, lachrymal; lb. s, lambdoidal suture; m. eth, mesethmoid; mx, maxilla; mx. p, maxillo-palatine process; na, na', na'', nasal; o. c, occipital condyle; or. fr, orbital plate of frontal; pa, parietal; pa. s, parasphenoid (rostrum); pl, palatine; p. mx, premaxilla; pt, pterygoid; qu, quadrate; s. an, supra-angular; s. o, supra-occipital; sq, squamosal; ty, tympanic cavity; IL-XII, foramina for cerebral nerves." -Parker, 1900

Rock Pigeon Skull

"Columba livia. Skull of young specimen. A, dorsal; B, ventral; C, left side. al. s, alisphenoid; au,…