3KERIT11KRI UM LYONS!. 
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C. 8832. Crown of second lower incisor. 
C. 8801. Worn second lower incisor. 
M. 8501. Right and left lower molars and jjremolars in nearly perfect ])reservation. The teeth 
of the right side are figured on PI. IX. fig. 2. Upper Eocene. The dimensions 
(in centimetres) of the teeth are : — 
Length. Width. 
pm. 2 2-0 1-4 
pm. 3 2’7 1’9 
pm. 4 2’4 2T 
m. 1 3 2-2 
m. 2 3-2 2-G 
7>i. 3 4 2’8 
Length of preniolar series 7'3. Length of molar series 9’9. 
Presented hy W. E. de [\lnlon. Esq., 1903. 
M. 9118. Lower molars and premolars. Middle Eocene. 
M. 8900. Portions of upper and lower dentition greatly worn. Middle Eocene. 
Presented hy the Egyptian Government, 1904. 
M. 8914. Skull and vertebral column, incomplete and badly preserved. 
Presented hy the Egyptian Government, 1904. 
M. 8909. Atlas vertebra. Figured PI. XI. fig. 1. Middle Eocene. 
Presented hy the Egyptian Government, 1904. 
M. 8909 a. Atlas vertebra. Middle Eocene. Presented hy the Egyptian Government, 1904. 
C. 9073. Atlas vertebra. Upper Eocene. 
C. 10059. Axis vertebra. Figured PI. XI. fig. 2. Middle Eocene. 
M. 8915. Three imperfect axis vertebrae. Middle Eocene. 
Presented hy the Egyptian Government, 1904. 
M. 8899. Cervical vertebra and fragments of skull. Vertebra figured PI. XI. fig. 3. Middle 
Eocene. Presented hy the Egyptian Government, 1904. 
M. 9227. Imperfect cervical vertebra. Middle Eocene. Presented hy Baron Franz Nopcsa, 190;>. 
M. 8903. Two imperfect dorsal vertebrae. Middle Eocene. 
Presented hy the Egyptian Government, 1904. 
M. 8908. Two imperfect dorsal vertebrae. Middle Eocene. 
Presented hy the Egyptian (rovemiment, 1904. 
M. 8921. Imperfect dorsal vertebrae. Middle Eocene. 
Presented hy the Egyptian Government, 1904. 
M. 9226. Dorsal vertebrae. Middle Eocene. Presented by Baron Franz Nopcsa, 190.1. 
M. 9228. Dorsal vertebra. Upper Eocene. Presented hy Baron Franz Nopcsa, 190.1. 
M. 8917. Dorsal and sacral vertebrae, much weathered. Middle Eocene. 
Presented hy the Egyptian Government, 1904. 
C. 10053. Lumbar vertebra. Middle Eocene. 
C. 10035. Imperfect sacrum. Middle Eocene. 
