. A dictionary of birds . Occipitals (Exoccipitals of many authors); (2) Peri-otics ; (3) Alisphenoids ; (4) Orbitosphenoids ; (5) Ethmoids. III. The roof of the capsule, formed by the following (membrane)bones in pairs—(1) Supra-occipitals; ^ (2 and 3) Parietals andSquamosals ; (4) Frontals ; (5) Lacrymals ; (6) Nasals. IV. Additional (membrane) bones on the ventral side of thebase of the capsule—(1) a pair of Basitemporals, amalgamatedwith the Basisphenoids; (2) an unpaired investment of the likewise ^ In several species of Cormorant a peculiar, long, pyramidal sesamoid boneis loosely attach
. A dictionary of birds . Occipitals (Exoccipitals of many authors); (2) Peri-otics ; (3) Alisphenoids ; (4) Orbitosphenoids ; (5) Ethmoids. III. The roof of the capsule, formed by the following (membrane)bones in pairs—(1) Supra-occipitals; ^ (2 and 3) Parietals andSquamosals ; (4) Frontals ; (5) Lacrymals ; (6) Nasals. IV. Additional (membrane) bones on the ventral side of thebase of the capsule—(1) a pair of Basitemporals, amalgamatedwith the Basisphenoids; (2) an unpaired investment of the likewise ^ In several species of Cormorant a peculiar, long, pyramidal sesamoid boneis loosely attached to the supra-occipital, serving apparently to increase the .siuface of attachment of the muse, complexus capitis and of part of the temporalmuscle. ^72 SKULL unpaired Prsesplienoid, forming with it the rosfrwii of the basiscrunii; (3) the Vomer, paired or unpaired, resting upon the septum,V. Bones derived from, or developed upon, visceral arches, form-ing the appendicular apparatus of the Skull — (1) the unimired. Analytical Dlagram of a Birds Skull. Prremaxilla; (2) the light and left Maxilkc; (3, 4, 5) the rightand left Palatines, Pterygoids and Quadrates—these being, as wellas (6, 7) the right and left Jugals and Quadrato-jugals, modifica-tions of the dorsal half of the first visceral arch; (8) the bonesforming the right and left Mandibulpe (or the lower jaw)—namely,the Dentals, Splenials, Supra-angulars, Angulars and Articulars—allthese last being modifications of the ventral half of the same (first)visceral arch; (9) the ossicles of the eai, columella anris (p. 179),
Size: 2088px × 1197px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
