. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. & nJ%. Fig. 42. Jonkeria sp. 11556 X £. A selected series of cross-sections through the posterior part of the braincase. Each section bears its number in the consecutive series. 35. This section shows the imperfectly ossified dorsum sellae and an unossi- fied zone between the basisphenoid and the parasphenoid. 37. Here the sidewalls of the braincase are seen to be formed by the orbito- sphenoids and the prootics. 41. Lateral to the root of the pineal tube lies the foramen from the IVth cra
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. & nJ%. Fig. 42. Jonkeria sp. 11556 X £. A selected series of cross-sections through the posterior part of the braincase. Each section bears its number in the consecutive series. 35. This section shows the imperfectly ossified dorsum sellae and an unossi- fied zone between the basisphenoid and the parasphenoid. 37. Here the sidewalls of the braincase are seen to be formed by the orbito- sphenoids and the prootics. 41. Lateral to the root of the pineal tube lies the foramen from the IVth cranial nerve and below the orbitosphenoid the sidewall is membranous. Sections through the sphenoid-complex (Fig. 43) These cross-sections are from front to back and the line of sections is indi- cated in figure 41 under the section numbers. 71. In the anterior part of the sphenoid complex the septosphenoid is seen to carry lateral of a median septum grooves which house the paired. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
