. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Systematics of African Nycteris 127 Univariably, the West African representatives of both species are significantly different in all their measurements if both sexes are grouped together. Males are not significantly distinct for 3 ph 2 (F = with 1 and 65 df.), whereas females are not significantly distinct for 5 ph 2 (F = with 1 and 78 df.). The large amounts of material available made it possible to examine the relation between N. gambiensis and N. theb
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Systematics of African Nycteris 127 Univariably, the West African representatives of both species are significantly different in all their measurements if both sexes are grouped together. Males are not significantly distinct for 3 ph 2 (F = with 1 and 65 df.), whereas females are not significantly distinct for 5 ph 2 (F = with 1 and 78 df.). The large amounts of material available made it possible to examine the relation between N. gambiensis and N. thebaica univariably for a number of separate countries such as Senegal, Burkina Faso and Nigeria. There was even material enough to perform analyses on two separate localities: Koular-Saboya in Senegal and Oulo in Burkina Faso. For all of these groups, the sexes could be examined separately. Except for 5 ph 2 (F = with 1 and 18 df.) all variables are signifi- cantly distinct (****) for animals from Senegal. Similar results are obtained for the analyses on the Senegalese females. No significant distinction is found for 5 ph 2, whereas the distinction for Mast (F = , with 1 and 32 df., ***) and 3 ph 2 (F = with 1 and 9 df., **) is less significant. The males are significantly distinct for all 20 variables. For Koular-Saboya, only the skull measurements and the forearm length could be compared. These data indicate that for both sexes combi- ned, all variables, except Sw (F = with 1 and 19 df.), are significantly distinct. The absence of significant distinction for Sw (F = with 1 and 7 df.) can be tra- ced to the females. All their other variables are significantly distinct. In the males from both species, all variables are significantly Fig. 3: Canonical analysis on the tooth measurements of 422 West African specimens divided by country (full lines: N. gambiensis; dashed lines: N. thebaica).. Please note that these images are extracted from s
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