444 PROFESSOE OWEN ON MACEOPUS. 



DESCRIPTION OF THE PLATES. 



PLATE LXXIV. 



Fig. 1. Skull of Macropus rvfus, side view. 



Fig. 2. Skull of Macrojms rufus, half of upper surface. 



Fig. 3. Skull of Macropus rufus, half of under surface. 



Fig. 4. Skull of Macropus rufus, hind or occipital end. 



Fig. 5. Skull of Macropus rufus, fore or nasal end. 



Fig. 6. Lower molars, left side, grinding-surface. 



PLATE LXXV. 



Fig. 1. Atlas vertebra, side view. 



Fig. 2. Atlas vertebra, front view. 



Fig. 3. Atlas vertebra, back view. 



Fig. 4. Atlas vertebra, upper view. 



Fig. 5. Axis vertebra, side view. 



Fig. 6. Axis vertebra, under view. 



Fig. 7. Fourth cervical, upper view. 



Fig. 8. Sixth cervical, front view. 



Fig. 9. Seventh cervical and first three dorsal vertebree, side view. 



Fig. 10. Last three dorsal vertebrae (d 11, 12, 13), side view. 



Fig. 11. First lumbar vertebra, side view. 



Fig. 12. Third lumbar vertebra, side view. 



Fig. 13. Fifth lumbar vertebra, side view. 



PLATE LXXVI. 



Fig. 1. First rib, outside view. 



Fig. 2. Second rib, inside view. 



Fig. 3. Third rib, inside view. 



Fig. 4. Fifth rib, outside view. 



Fig. 5. Tenth rib, outside view. 



Fig. 6. Manubrium sterni, outer or under surface. 



Fig. 7. Manubrium sterni, distal end. 



Fig. 8. First sacral vertebra, front articular view. 



Fig. 9. First and second sacral vertebrse, upper or neural surface. 



Fig. 10. Second caudal vertebra, upper or neural surface. 



Fig. 11. Second caudal vertebra, hasmal arch. 



Fig. 12. Fifth caudal vertebra, under or haemal surface. 



Fig. 13. Fifth caudal vertebra, haemal arch, side view. 



