PROF. K. RAY LANKESTEK OX 



[Dec. 1, 



Text-fig. 41, 



^y- 







--^.^^^^^^^^^^^^PCi 







^^^x\ 





^^^1^ 







Diagram of the tair-wtorls and hair-streams on the fronto-parietal region of the 



head of a female specimen of Okapi in the British Museum. 

 OTcapia erichsoni Lankester. (Sir Harry Johnston's specimen, presented to the 



British Museum.) 

 I, h, paired bare spots corresponding in position to the horns of the male. Mediad 

 of the right-hand spot is a hare patch caused by rubbing ; it is not repre- 

 sented on the left-hand side of the head. 

 .d, single supra-nasal vortex or meeting-point of three hair-streams. 

 .r, single spiral whorl on the left frontal region (asymmetrical in position), 

 y, occipital radiating centre. 



