. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Blind moles from SE Europe 9 Fig. 10: Third lower molar (scematic) of blind mole from Ulcinj. Lingual side; ante- rior is to the right; c — entocristid; en — entoconid; hyd — hypoconid; hyl — hypo- conuHd; me — metaconid; pa — para- conid; pr — protoconid; tc — thickening of cingulum. Fourth lower premolar (Fig. 9). The metaconid was always absent in OTUl and either missing or weakly developed in T. stankovici. In OTU2 it was nearly always present, and it was common
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Blind moles from SE Europe 9 Fig. 10: Third lower molar (scematic) of blind mole from Ulcinj. Lingual side; ante- rior is to the right; c — entocristid; en — entoconid; hyd — hypoconid; hyl — hypo- conuHd; me — metaconid; pa — para- conid; pr — protoconid; tc — thickening of cingulum. Fourth lower premolar (Fig. 9). The metaconid was always absent in OTUl and either missing or weakly developed in T. stankovici. In OTU2 it was nearly always present, and it was common in OTU3. Its frequency was 32 % in T. stankovici (n = 19), 0 % in OTUl (n = 11), 92 % in OTU2 (n = 13), and 55 % in OTU3 (n = 31). The hypoconid was usually higher than the paraconid in OTUl, whilst the op- posite situation prevailed in OTU2 and OTU3. T. stankovici frequently had a somewhat reduced paraconid. Third lower molar (Fig. 10). Entocristid was welldeveloped only in OTUl. It was weak or missing in OTU2 and OTU3, with the exception of one specimen from Mt Lovcen, on which it was clearly visible. In specimens of T. stankovici this cusp was either small or absent. Its frequency was 16 % in T. stankovici (n = 19), 40 in OTUl (n = 10), 9 o/o in OTU2 (n = 22), and 17 % in OTU3 (n = 29). The hypoconulid was only welldeveloped in OTUl, and in two specimens from Or- jen Mts (OTU2). In the other blind moles, OTU2 and OTU3, it was either absent, or if present, weakly developed. Os falciformis (Fig. 11). The proximal part of this bone was more robust in OTUl and T. stankovici, with a less conspicuous groove on the antero-lateral margin. The groove was well developed in OTU3, and in some specimens from OTU2. Pelvis (Fig. 12). In the "europaeoidal" pelvis the bone bridge between the os sacrum and the ischia closes the 4th foramen sacrale from the caudal side. In the "caecoidal" pelvis such an anastomosis is missing, and the 4th sacral foramen is
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