Image: 1911 EB Chicken skull

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Description: Here the opisthotic bone appears in the occipital region, as in the adult Chelonian. (After W. K. Parker.) bo = Basi-occipital, bt = Basi-temporal, eo = Opisthotic, f = Frontal, fm = Foramen magnum, fo = Fontanella, oc = Occipital condyle, op = Opisthotic, p = Parietal, pf = Post-frontal, sc = Sinus canal in supra-occipital, so = Supra-occpital, sq = Squamosal, 8 = Exit of vagus nerve. Cleaned version of scanned EB image taken from: http://projects.ericshalov.com/freeimages/image.php?id=209
Title: 1911 EB Chicken skull
Credit: Encyclopædia Britannica Eleventh Edition, Vol. 4, Page 521
Author: Encyclopædia Britannica
Permission: Public domain
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

Image usage

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Chicken

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