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PROFESSOE OWEN ON THE FOSSIL MAMMALS OF AUSTEALIA. 
Fig. 5. Outer side view of a portion of a left mandibular ramus, Phciscolomys Mitchelli. 
Fig. 6. Inner side view of the same fossil : drawn without reversing. 
Fig. 7. Inner side view of a portion of the right ramus, Phciscolomys Thomsoni. 
PLATE XXII. 
Fig. 1. Outer side view of the right mandibular ramus, Phciscolomys vombatus. 
Fig. 2. Outer side view of the right mandibular ramus, Phascolomys platyrhinus. 
Fig. 3. Outer side view of the right mandibular ramus, Phascolomys latifrons. 
Fig. 4. Outer side view of part of the right mandibular ramus, Phascolomys latifrons. 
Fig. 5. Outer side view of part of the right mandibular ramus, Phciscolomys latifrons. 
Fig. 6. Outer side view of the hind part of the right mandibular ramus, Phascolomys 
Krefftii. 
Fig. 7. Outer side view of the fore part of the right mandibular ramus, Phascolomys 
Krefftii. 
PLATE XXIII. 
Fig. 1. Under view of mandible, Phascolomys jplatyrhinus. 
Fig. 2. Under view of the left ramus and symphysis of mandible, Phascolomys vom- 
batus. 
Fig. 3. Under view of the right ramus and symphysis of mandible, Phciscolomys latifrons. 
Fig. 4. Under view of the symphysis of mandible, Phascolomys Krefftii. 
Fig. 5. Under view of the hind part of the left ramus of mandible, Phciscolomys Krefftii. 
Fig. 6. Back view of the hind part of the left ramus of mandible, Phascolomys parvus. 
Fig. 7. Upper view of the same part of the fossil. 
Fig. 8. Transverse section of lower incisors, Phascolomys jplatyrhinus. 
Fig. 9. Transverse section of lower incisors, Phascolomys latifrons. 
LIST OF WOODCUTS. 
Fig. 1. Nasal bones and their connexions, var. 2, Phciscolomys vombatus 
Fig. 2. Nasal bones and their connexions, var. 3, Phascolomys vombatus. 
Fig. 3. Nasal bones and their connexions, Phascolomys jplatyrhinus. 
Fig. 4. Nasal bones and their connexions, Phascolomys latifrons. 
Fig. 5. Lacrymal and maxillary characters, Phciscolomys platyrhinus. 
Fig. 6. Lacrymal and maxillary characters, Phciscolomys latifrons. 
Fig. 7. Palatal surface of upper jaw and teeth, Phascolomys platyrhinus. 
Fig. 8. Palatal surface of upper jaw and teeth, Phascolomys latifrons. 
All the figures are of the natural size. 
