802 PROFESSOR OWEN ON THE FOSSIL MAMMALS OF AUSTRALIA. 
PLATE LXXVIII. 
Fig. 1. Outside view of right mandibular ramus of adult Procoptodon Papina. 
Fig. 2. Inside view of the same fossil. 
Fig. 3. Upper view of the same fossil. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
PLATE LXXIX. 
1. Portion of upper jaw and hinder molars of Procoptodon Goliak. 
2. Outer side view of left maxillary and teeth of an old Procoptodon Goliah. 
3. Inner side view of the same fossil. 
4. Under view of the same fossil. 
5. Outer side view of a portion of left maxillary and teeth of a less aged Procop- 
todon Goliah. 
6. Inner side view of the same fossil. 
7. Working-surface of the grinders of the same fossil. 
8 . Upper view of hind part of left mandibular ramus, with two hind molars (m 2, m 3), 
of Procoptodon Goliah. 
9. Hind view of last upper molar of Procoptodon Goliah. 
10. Hind view of last lower molar, ditto. 
11. Outer side view of adult series of grinders, right side, lower jaw, of Procoptodon 
Goliah. 
PLATE LXXX. 
Fig. 1. Inside view of part of right mandibular ramus of a mature Procoptodon Goliah. 
Fig. 2. Grinding-surface of the teeth in the same fossil. 
Fig. 3. Outside view of a fragment of the left mandibular ramus, with the penultimate 
molar, of a mature Procoptodon Goliah. 
Fig. 4. Inside view of the same fragment, showing the last two grinders. 
Fig. 5. Inside view of part of the right mandibular ramus of an immature Procoptodon 
Goliah (from a photograph). 
Fig. 6. Outer side view of right mandibular ramus of an immature Procoptodon Goliah. 
Fig. 7. Portion of the same ramus, with the premolar ( p 3) exposed in its formative cell. 
Fig. 8. Grinding-surface of worn penultimate lower molar of Procoptodon Goliah. 
PLATE LXXXI. 
Fig. 1. Eight side view of fore part of the skull of Palorchestes Azael, Ow. 
Fig. 2. Fore end of the same fossil. 
Fig. 3. Fore end of the skull of Ospliranter robustus , Gd. 
Fig. 4. Inner side view of a fragment of the right mandibular ramus of Macropus 
Ferragus, Ow. 
