272 PEOFESSOR OWEX ON CNEMIORNIS. 



PLATE XXXVI. 



Fig. 1. Side view of third cervical vertebra, Cnemiornis calcitrans. 



Fig. 2. Idem of ditto, Cereopsis. 



Fig. 3. Under view of ditto, ditto. 



Fig. 4. Side view of ditto, Tacki/eres irachypterus. 



Fig. 5. Under view of ditto, ditto. 



Fig. 6. Side view of twelfth cervical vertebra, Cnemiornis calcitrans. 



Fig. 7. Front view of twelfth cervical vertebra, Cereopsis. 



Fig. 8. Idem of ditto, Tachijeres brachypterus. 



Fig. 9. Side vie\y of ditto, Cercopsis. 



Fig. 10. Idem of ditto, Tachyeres. 



Fig. 11. Front view of second dorsal vertebra, Cnemiornis calcitrans. 



Fig. 12. Under view of ditto, ditto. 



Fig. 13. Front view of ditto, Cereopsis. 



Fig. 14. Under view of ditto, Tachyeres. 



Fig. 15. Side view of third dorsal vertebra, Cnemiornis. 



Fig. 16. Front view of ditto, ditto. 



Fig. 17. Side view of fourth dorsal vertebra, ditto. 



PLATE XXXVII. 



Fig. 1. Under view of sternum, Cnemiornis. Fig. 5. Outer view of coracoid. 



Fig. 2. Front border of ditto. Fig. 6. Scapular end of ditto. 



Fig. 3. Costal border of ditto. Fig. 7. Side view of ditto. 



Fig. 4. Inner view of coracoid. Pig- 8. Outer view of coracoid, fVreo/j.^j/s. 



PLATE XXXVIII. 



Fig. 1. Anconal view of humerus, Cnemiornis. Fig. 9. Proximal articular end of ulna. 



Figs. 2 & 3. Views of proximal half of ditto. Fig. 10. View of metacarpus. 



Fig. 4. View of distal half of ditto. Fig. 11. Distal articular end of ditto. 



Fig. 5. Proximal articular end of ditto. Fig. 12. Side view of metatarsus. 



Fig. 6. Distal articular end of ditto. Fig. 13. Idem, Cereopsis. 



Figs. 7 & 8. Views of left ulna, ditto. Fig. 14. Idem, Tachyeres brachypferus. 



N.B. All the figures of the preceding Plates are of the natural size. 



PLATE XXXIX. 



Fig. 1. Restored skeleton of Cnemiornis calcitrans. 

 Fig. 2. Skeleton of Cereopsis, reduced to the same scale. 



