14. 
. 15. 
16. 
17. 
18. 
5 IB) 
20. 
5 Alle 
21a. 
EXPLANATION OF PLATE XVIII. 
S. fossor, type. External view of scapula. 
S. fossor, cotype. External view of scapula. 
S. fossor, type. Posterior view of humerus. 
S. fossor, type. Anterior view of humerus. 
S. fossor, type. Internal view of radius and ulna. 
S. fossor, type. Anterior view of radius and ulna. 
S. fossor. Dorsal view of manus. Composite. 
S. fossor. Plantar view of ungual phalanx, third digit of manus. 
Side view of same phalanx. 
S. fossor. Side view of phalanx, second digit of manus. 
Plantar view of same bone. 
S. fossor, type. Posterior view of atlas. 
S. fossor, type. Anterior view of atlas. 
S. fossor, cotype. Side view of axis and third cervical showing coéssification. 
S. fossor, cotype. Posterior view of axis. 
Anterior view of same bone. 
S. fossor, type. Plantar view of ungual phalanx, fourth digit of pes. 
Side view of same bone. 
S. fossor, type. Plantar view of ungual phalanx of pes. 
Side view of same bone. 
S. fossor, type. Posterior view of left femur. 
Anterior view of same. 
S. fossor, type. Anterior view of tibia and fibula. 
S. fossor, type. Dorsal view of pes. 
S. fossor, cotype. An oblique view of right clavicle. 
S. fossor, type. Superior view of pelvis. 
S. fossor, type. View of left side of pelvis. 
S. barbouri, type. Side view of right mandible. 
S. barbouri, type. Crown view of inferior dentition. 
S. barbouri, type. Side view of skull. 
S. fossor, cotype. Superior view of presternum. 
S. fossor, cotype. Inferior view of presternum. 
All figures natural size. 
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