STVLOCTEXIUM. 



443 



postoriorly, profile of front margin sloping backward ; coronoid 

 hciiflit of mandible a little more than c-m^ ; condyle above level of 

 alveolar line. 



Dentition (fig. 23).— ''.''°P' P'^*"^' ""^ = 30. p^ rudimentary, 

 1, c ].', p, p, m, m, 

 m-' and p, considerably reduced. 



L'i)pcr incisors slender, terete, abruptly and sharply pointed at 

 tij) ; i' markedly longer than, but not differing in form from, i^. 

 i, entirely wanting; i^-i^ quite or very nearly in contact with each 

 other aiid with canines, similar in shape and size to i'. Upper and 

 lower canines short, unusuallv thick ; cingulura narrow ; vertical 



Fi''. : 



-Stijlocienium wallacei, (S . Mt. Masarang, X. Celebes. 

 No,y7.l.:i.4. J. 



groove on front face of upper canines well marked, p' a minute 

 spicule, deciduous ; p, similar to that of Fterojius. p^ and jij essen- 

 tially as in Ptcrojms, but rather lower and broader, p' and m', p^, 

 m,, and m, peculiarly short and broad, upper teeth subcircular, 

 lower tcetli oval in outline; cusps and ridges broadened and 



