Cope.] 54b |- Jan> 5i 



Char, specif. — The canines are well developed, and have a robust root. 

 The crown is rather slender and is very acute. It is rounded in front, hut 

 has an acute angle posteriorly. It is not grooved, and the enamel is smooth. 

 The single-rooted first superior premolar is situated close to the canine, and 

 behind it is a short diastema. I have the probable first true molar or fourth 

 premolar. The external cusps are rather small, and are well separated from 

 each other. The inner outline of the crown is rather broadly rounded. 

 The internal tubercle is connected on wearing, with an anterior transverse 

 crest which terminates near the inner base of the anterior external cusp in an 

 intermediate tubercle. There is a posterior intermediate tubercle. There is 

 a cingulum all round the crown excepting at the posterior intermediate 

 tubercle. The second (? first) true molar is like the one just described, but 

 has relatively greater antero-posterior width. In this tooth the cingulum 

 extends all the way round the crown. 



There are but two inferior molars of this individual preserved, the second 

 and third true. The former of these has a parallelogrammic outline with 

 rounded angles. There are two posterior and two anterior rather large 

 tubercles ; an anterior transverse ledge ; and a narrow external and posterior 

 cingulum, the latter running into the internal posterior tubercle. The latter 

 has a circular section, and is much smaller than the external posterior, which 

 has a wide crescentic section. Of the anterior tubercles the anterior is much 

 the larger, judging from its worn base. The third true molar is triangular 

 in outline. Its crown includes two anterior and an external median tubercle. 

 The inner and posterior parts of the crown form a wide shelf, with the 

 internal edge denticulate. A weak external cingulum. 



Measurements of Teeth. M. 



Diameters base of crown of incisor \ n " 



c transverse 004 



Diameters base crown of canine \ anteroposterior 0130 



t transverse 0095 



tv„™~+~ ■ Ti/r • (anteroposterior 0095 



Diameters crown, superior M. i. ] * 



(. transverse 0120 



Diameters, M.? ii. j anteroposterior 0110 



I. transverse 0110 



Diameters of inferior M. ii j anteroposterior 0120 



l transverse 0105 



Diameters of inferior M. iii. j anteroposterior 0125 



(- transverse 0090 



The second individual includes part of the superior walls of the skull. 

 The fragment displays a high sagittal crest, which is fissured in front so 

 as to keep the temporal ridges apart to near its anterior apex. The brain 

 surfaces show small, smooth, flat hemispheres, separated by a constriction 

 from the wideband large olfactory lobes. The navicular bone shows three 

 well defined dislal facets, indicating probably five digits in the pes. The 

 teeth of this specimen include a posterior superior molar, and an inferior 



