76 



B. HUGHES AND E. WADE 



Fig. 1 Head of P. zambiensis (adult holotype, BMNH 1959. 1 . 1 .8 1 ) seen in (a) dorsal, (b) lateral and (c) ventral views. 



Table 1 Dentitions - left/right sides. 



species 



museum no. 



max.pre-2F 



post.dentary 



palatine 



pterygoid 



leopardinus 



(Namibia) 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



zambiensis 



sibilans 



1937.12.3.166 



1959.1.1.81 



10636 



10736 



10521 



10522 



10523 



18622 



18623 



1932.9.9.132 



1932.9.9.133 



1953.1.2.15 



1953.1.2.14 



5/5 



4/3 

 -/3 

 4/4 

 3/3 

 3/3 



3/3 

 4/4 

 3/3 

 3/3 

 3/3 

 3/3 



23/24 



17/14 

 14/13 

 15/14 

 15/15 

 13/- 



16/16 

 17/15 

 17/19 



20/20 

 17/18 

 19/18 



11/9 



9/8 

 8/9 

 8/9 

 8/8 

 9/8 



7/8 

 8/9 

 9/9 

 8/8 

 8/8 

 8/8 



23/18 



17/14 

 13/12 

 16/15 

 16/16 

 15/14 



14/15 

 17/18 

 17/16 

 19/18 

 18/18 

 16/15? 



