. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Blind moles from SE Europe 5. Fig. 4: Projection of five groups of 109 blind moles on the first two discriminant functions. Polygons enclose scores for all individuals within a group, and crosses are placed on group centroids. See text for explanation. based on 109 skulls suggested that T. levantis was the most distinct (Fig. 4). Great overlap was evident on the one hand between T. stankovici and OTUl, i. e. the two groups of moles sharing the same ''stankovicr kary
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Blind moles from SE Europe 5. Fig. 4: Projection of five groups of 109 blind moles on the first two discriminant functions. Polygons enclose scores for all individuals within a group, and crosses are placed on group centroids. See text for explanation. based on 109 skulls suggested that T. levantis was the most distinct (Fig. 4). Great overlap was evident on the one hand between T. stankovici and OTUl, i. e. the two groups of moles sharing the same ''stankovicr karyotype (2 n = 34, NF = 66) and, on the other hand, between OTU2 and OTU3, the two taxonomic units with the ''caeca" karyotype 2 n = 36, NF = 68 (Todorovic et al. 1972). These results were in accordance with karyological evidence. Significant overlap between moles with ''stankovicr and ''caeca'' karyotypes suggested a close similarity in skull shape be- tween T. stankovici and T. caeca, already pointed out by Petrov (1971). In total, 87 (80 %) specimens were classified into the proper group. This series of analyses indicated that the most logical classification for the blind moles of the Balkans was to regard OTUl as T. stankovici, and to ascribe OTU2 and OTU3 to Talpa caeca, probably as two different subspecies. Talpa levantis appears to be an independent species and shows no phenetic relation to T. caeca from the western Balkans. By a discriminant function analysis between OTUl and the pooled sample of OTUs 2 and 3, 71 (96 %) specimens were classified into actual groups. Three measurements, loC, BcB, and MxT, transformed to ratios with CbL as the denominator, had low discriminant function coefficients and contributed little to the discrimination between the groups; the reduction of parameters to four did not affect discrimination. All moles of OTUl were classified into the proper group, whilst two specimens of OTU2 (both from Mt Orjen) and one of OTU3 (Mt Pelister), were
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