. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 336 ANNALS OF THE SOUTH AFRICAN MUSEUM which has left the remaining bone spongy in texture. The abnormality extends along the alveolar margins of the cheekteeth, becoming less pronounced posteriorly. The area of insertion of the occipito-mandibularis muscle in the subangular region is marked by V-shaped ridges of bone which diverge posteriorly, that on the buccal side being more prominent and irregular in outline. The counterparts of these ridges in L28394 and L40042 are only slightly developed, alth
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 336 ANNALS OF THE SOUTH AFRICAN MUSEUM which has left the remaining bone spongy in texture. The abnormality extends along the alveolar margins of the cheekteeth, becoming less pronounced posteriorly. The area of insertion of the occipito-mandibularis muscle in the subangular region is marked by V-shaped ridges of bone which diverge posteriorly, that on the buccal side being more prominent and irregular in outline. The counterparts of these ridges in L28394 and L40042 are only slightly developed, although the latter apparently belonged to a more aged individual, judging from wear on the cheekteeth. The ridges in L21570 may be a further manifestation of the mandibular pathology of the individual concerned. The fossil mandibles are generally similar to corresponding parts of the mandibles of the G. gulo comparative specimens, except that the condyles are remarkably long and tubular in shape (Table 2, Fig. 4). A feature of the dentition of L21570 which is evidently related to the pathological condition of the mandible is that, although the cheekteeth are only slightly worn, the preserved incisors are well worn. Similar pathology in one of the G. gulo comparative specimens (SAM-ZM38641) is accompanied by broken canines and heavily worn incisors. According to E. Granqvist of the Zoological Museum of the University, Helsinki (letter to R. Rau), damaged symphyseal teeth, and pathology of the adjacent parts of the jaws, are not uncommon in wolverines. Presumably this results from the aggressive behaviour and indis-. l|llll llllllllll 5 116 t 118 Fig. 4. Posterior view of Plesiogulo monspessulanus mandible (L40042) from 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
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
