. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CRANIAL MORPHOLOGY OF THE DICYNODONT GENUS LYSTROSAURUS l6l Struct a dorsal projection, for instance, any point seen in a transverse section is plotted on to the first grid, as though to produce a lateral projection, and its position determined in relation to the second grid. The distance of the point from the midline of the section face is then determined, and the point is plotted an equal distance from the line representing the skull midline on the second grid. The procedure in plotting such a poin
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CRANIAL MORPHOLOGY OF THE DICYNODONT GENUS LYSTROSAURUS l6l Struct a dorsal projection, for instance, any point seen in a transverse section is plotted on to the first grid, as though to produce a lateral projection, and its position determined in relation to the second grid. The distance of the point from the midline of the section face is then determined, and the point is plotted an equal distance from the line representing the skull midline on the second grid. The procedure in plotting such a point is illustrated in Figure i. In a case such as in Figure i, where the midline of the skull is not vertical to the base line, compensation can be made by constructing a new base line at right angles to the skull Fig. I. Method for construction of a dorsal projection onto a hypothetical reference plane from serial 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
