Myotis adversus complex 
203 
3- 
-4-2 O 2 4 
Function 1 
Uh 
Function 1 
Figure 5 Histogram of Function 1 coefficients from Canonical Variate Analysis (DFA) of male and female adult 
Myotis combined, based on the two locality groupings: Western Australia, □; and Queensland/Northern 
Territory, ■; the Solomon Is, □; Papua New Guinea and Seram □. Specimens were unallocated for (a) five 
skull, dentary and dental characters and (b) five external characters. 
(40.1-44.4) 46 v. 43.8 (42.3-45.2) 17 and digit 
metacarpal lengths. Anteorbital foramen width 
generally shorter relative to M 3 M 3 width (Figure 9). 
Description 
Skull and dentition 
Moderate size skull (see Table 1); rostrum rises 
gently posteriorly to parietal midpoint; slight 
sulcus in anterior part of frontal but posterior to 
interorbital midpoint frontal flat; cranium broad 
with moderate laterodorsal inflation; sagittal and 
lambdoidal crest absent to faint; nuchal area low 
domed; supraoccipital projects moderately 
posterior to nuchal area; infraorbital foramen oval. 
with broad bar separating it from orbital cavity; 
zygoma moderately high and of even breadth; 
mesopterygoid moderately broad, partially 
conceals sphenorbital fissure is some specimens; 
anterior palate broadly incised, posterior edge of 
the emargination reaches almost to C 1 midpoint; 
palate shelf extends posterior almost to midpoint 
between M 3 posterior edge and tympanic bulla 
anterior edge; palate posterior to M 3 posterior edge 
fragile, with thin median process projecting slightly 
ventrally from its surface and slightly beyond its 
posterior margin; presphenoid usually with slight 
sulcus; basisphenoid with moderate anterolateral 
depression for cochlea. 
Upper incisors bicuspid with I 2 size half again as 
O 
Braincase breadth 
Figure 6 Plot of greatest skull length versus (a) condylobasal length and (b) braincase breadth, for male and female 
adult Myotis adversus, M. moluccarum and M. macropus. Locality codes as for Figure 2. 
