xxxvi INTHODUCTION. 



Tlierc is n Ion*' and prominent i)nrocci|»itaI proceas. which is npphrd 

 to the liulln. 



Therit is no long, outwnnlly prujtrting pnx-css lH*nealh the o|>cning 

 itl the Hiratujt andihritta rjtrmtu. 



Thu nioiitoid ih small and not prominent, and the condyloid f<inimen 

 u|MMiH on a l>ony ridge. 



There is a eiwum which, in the great nnjiin* <>i ^jm n », i^ruriously 

 contorted and roilrtl. 



The pn>«tnte is salient. 



The iMine in the corpiu earrmoaum is groovetl and not dilated and 

 IiiIdIh**! antenorly. 



Except in (J/oryiii there are not • more than two true molars al>o^e 

 and three Ik'Iuw, while, exropt in /cHejfOK, there arc never le»s than 

 two tnie molars rImivc and two holow. 



The rli ini" I. r.. l.v wl.i, li iK.- f'.iuiJte difTer from the fA/r,,////-^ 

 are : — 



They have an auditor)' bulla which is hut very incompletely sub> 

 divided liy a Inmy septum. 



They have a long and prominent {larocripiLul proccM, and a large 

 glenoid fontineii. 



Then* is u relatively loiigi t /.. <. • ■.-■/itoriM cx/rniit*. 



The coiulyliiid foramen o|H-ns on n lM)iiy ndgc and is ronttpicuoiu. 



There is always an alisphenoid ratml. 



The orbit is never enclosed by lione. 



There is a caMriim which, in the great majority of s|)ecies, is curiously 

 contorted and coiled 



There are no Cowjkt'.s glands. 



There is a large. syiiinutrically-slu»|Hd IxHie >n the nrptm raremomm. 



There ore geiienilly four pninolar* and two true molars al>ove, and 

 four |)remolars and three true molars Ixrlow, while there arc generally 

 two tubercular teeth (devoid of a cutting-blade) Itchind the sectorial 

 tooth both above and Ik'Iow. 



* Abnormalitic* of coane excepted. 



