196 



PEOFESSOE OWEN 0^' THE FOSSIL MAMMALS OF AUSTEALIA. 



Fig. 5. Outer side view of a portion of a left mandibular ramus, Phascolomys 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, Pliascolomys TJiomsoni. 



PLATE XXII. 



Fig. 1. Outer side view of the right mandibular ramus, Phascolomys vomhafus. 

 Fig. 2. Outer side "vdew of the right mandibular ramus, Phascolomys ^^itttyrhinus. 

 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, Phascolomys 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. 

 l ig. 1. Under view of mandible, Phascolomys platyrhiniis. 



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, Phascolomys latifrons. 



Fig. 4. Under view of the symphysis of mandible, Phascolomys Krefflii. 



Fig. 5. Under view of the hind part of the left ramus of mandible, Phascolomys Krefftii. 



Fig. G. Back view of the hind part of the left ramus of mandible, Phascolomys iKirvus. 



Fig. 7. Upper view of the same part of the fossil. 



Fig. 8. Transverse section of lower incisors, Phascolomys platyrhinus. 



Fig. 9. Transverse section of lower incisors, Phascolomys latifrons. 



LIST OF WOODCUTS. 

 Fig. 1. Nasal bones and their connexions, var. 2, Phascolomys vomhatus 

 Fig. 2. Nasal bones and their connexions, var. 3, Phascolomys vomhatus. 

 Fig. 3. Nasal bones and their connexions, Phascolomys 2)lafyrhinus. 

 Fig. 4. Nasal bones and their connexions, Phascolomys latifrons. 

 Fig. 5. Lacrymal and maxillary characters, Phascolomys plafyrhiims. 

 Fig. G. Lacrymal and maxillary characters, Phascolomys 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. 



