68 TBETIAET VERTEBEATA OF THE EATtTM. 



C. 8906. Left ramus of mandible with the symphysis, but incomplete posteriorly: m. 3 has just 

 been cut. On the left side the first incisor is present; this is a one-rooted, laterally 

 compressed tooth, the crown of which wears to a flat, somewhat crescent-shaped 

 surface, behind which there is a large shelf-like pit bordered posteriorly by the 

 cingulum. On the right side of the symphysis, i. 2, i. 3, c, and pm. 1 are present : 

 they are all laterally compressed, single-rooted teeth, each with a cingular ridge on the 

 inner face, and all wearing to one height. The symphysis extends to beneath posterior 

 end of pm. 4. Length of m. 1 and m. 2 together about 10"8 cm.'; length of three posterior 

 premolars 8' 5 cm. 



C. 8240. Imperfect left ramus of mandible with anterior column of m. 3 just appearing. Length 

 of m. 1 and m. 2 together is 10'8 cm. 



M. 8803. Portion of left mandibular ramus with pm. 4 and the molars, the last column of »i.3 

 appearing. Basal length of m. 1 and m. 2 together 12 cm. _ 



Presented hy the Egyptian Government, 1904. 



M. 8409. Portion of a right ramus of mandible. 



M. 8380. Imperfect right ramus of mandible with symphysis. Teeth in front of pm. 2 wanting. 

 Length of molar series 16'5 cm. ; length of three posterior premolars 9 cm. Symphysis 

 extends back to beneath anterior end of m. 1. 



Presented hy the Egyptian Government, 1902. 



C. 8923. Right and left rami of mandible crushed together and wanting the hinder portion : m. 3 

 fully cut and its anterior column in wear. On the right side the teeth in front of pm. 2 

 are wanting; on the left m. 3 is also missing. Length of the molar series 16 cm., 

 length of the three posterior premolars 7 "6 cm. 



C. 7891. Eight and left rami of mandible, similar to last but uncrushed. Length of molar series 

 18'2 cm., length of last three premolars 8'5 cm. 



C. 9254. Imperfect mandible of a rather old individual, wanting the hinder portion of the right 

 ramus : m. 3 is greatly worn ; pm. 1, c, and i. 1, i. 2, i. 3 are wanting. Length of the 

 molar series 15 cm. ; length of pm. 3 and pm. 4, 6 cm. The symphysis extends back to 

 beneath the anterior column of m. 2. 



C. 9255. Imperfect mandible, rather younger than last. The ascending ramus is wanting on both 

 sides : m. 3 just coming into wear. Length of the molar series 16 cm.; length of pm. 3 

 and^m. 4, 6 cm. The symphysis extends back to beneath the posterior column of m. 1. 



M. 8824. Portion of mandible of a young individual with remains of teeth, probably the two 

 posterior milk-molars, beneath which, however, there are no traces of replacing teeth. 



Presented hy the Egyptian Government, 1904. 



M. 8381. Right ramus of a young mandible with two teeth. 



Presented by the Egyptian Government, 1903. 



C. 9241. Portion of young mandible with (?) mm. 3, mm. 4, m. 1, but, as in last, no trace of replacino- 

 teeth beneath the milk-teeth. The lengths of the teeth are : mm. 3, 2*2 cm. ; mm. 4 

 2-8 cm. ; m. 1, 4-1 cm. The posterior portion of this jaw, including the coronoid, is 

 nearly complete ; height at coronoid 18"2 cm. 



