. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 92 ANNALS OF THE SOUTH AFRICAN MUSEUM Postcanines On the right a series of 16 postcanines occupying 154 mm. is preserved. No. 1 is much larger (diameters 11x8 mm.) than its successors in the series. Nos. 4, 11 and 13 are represented by erupting alveoli with replacing crowns lingual to Nos. 4 and 13. No. 12 is the remains of the root of a functional tooth with an erupting alveolus lingual to it. Jonkeria sp. 9162. Wakkerstroom of Wolwefontein, Collected Boonstra 1929. This specimen (figs.
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 92 ANNALS OF THE SOUTH AFRICAN MUSEUM Postcanines On the right a series of 16 postcanines occupying 154 mm. is preserved. No. 1 is much larger (diameters 11x8 mm.) than its successors in the series. Nos. 4, 11 and 13 are represented by erupting alveoli with replacing crowns lingual to Nos. 4 and 13. No. 12 is the remains of the root of a functional tooth with an erupting alveolus lingual to it. Jonkeria sp. 9162. Wakkerstroom of Wolwefontein, Collected Boonstra 1929. This specimen (figs. 4 and 29) consists of the anterior half of a skull in which the bones of the jaws have become partially disarticulated and shifted from their natural position. The figures given here are Fig. 29. Jonkeria sp. 9162. x£. Ventral view of the anterior part of the palate. Incisors In both premaxillaries the crowns of the incisors are considerably damaged; there are five pairs with the first pair slender and situated close together. This specimen shows the intermeshing of the upper incisors with the lower, as already described, very well. On both sides the five pockets for the replacing incisors have been exposed. In the right premaxilla the replacing crowns of Nos. 2 and 4 are visible in their pockets and they show the elongate inner face of the talons with the edges coarsely serrate. The replacing order is 2, 4, 5, 3, 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
