NO. 1207. A NEW RHINOCEROS— LUCAS. 223 



sanio. size as those of a .specinicn of Aceratherluin oceidentalv u.^^cd i'oi- 

 I'oiuparison the molar.s are very imich lai-j'-er. 



Measurements. — Upper jaw: len^ih of largest iiu-isorat widest part, 

 24 mm.; length from anterior part of first incisor to l)ack of canine, 

 50 mm. ; length of diastema, 2!) mm. ; and lenoth of three premolars, 

 To mm. 



Lower jaw: length of S3nnphysis, 82 mm.; length of diastema, 35 

 nnn.; length of premolar series, t>0 nmi. ; length of molar series, 115 

 nnn.; length from anterior part of symphysis to posterior angle in a 

 straight line, 1:10 mm. 



