475 



Fig. 10. Inner side view of part of the left mandibular ramus and teeth of Macropus 

 affinis, Ow. 



Fig. 11. Working-surface of the best-preserved molars (m i, m 2) of the same fossil. 



(This is the type-specimen of the species, No. 1524, ' Fossil Mammalia,' in 

 the Museum of the Royal College of Surgeons: 'Catalogue,' 4to, 1845, 

 p. 328.) 



Fig. 12. Outside view of portion of right mandible, with last three molars, of an old 



(female ?) Macropus Titan. 

 Fig. 13. Working-surface of the teeth of the same specimen. 



Fig. 14. Corresponding portion of lower jaw of Macropus rufus. (From the largest 

 existing Kangaroo, obtained by John Gould, Esq., F.R.S., during his sojourn 

 in Australia.) 



Fig. 15. Outside view of portion of left mandibular ramus and four molars of an im- 

 mature Osphranter Gouldii, Ow. 

 Fig. 16. Working-surface of the teeth of the same specimen. 



PLATE LXXXIV. 



Fig. 1. Outer side view of skull and upper teeth of a nearly mature Halmaturus uala- 

 batus. 



Fig. 2. Inner side view of molar series of ditto. 



Fig. 3. Working-surface of molar series, and portion of bony palate, of ditto. 

 Fig. 4. Outer side view of right maxillary bone and teeth of a full-grown Sthennrus 

 Atlas. 



Fig. 4 a. Hind view of penultimate molar (m 2) of ditto. 



Fig. 5. Inner side view of the same fossil. 



Fig. 6. Under view of ditto, with working-surface of teeth. 



Fig. 7. Outer side view of portion of mandibular ramus and teeth of a mature Sthennrus 

 Atlas. 



Fig. 8. Inner side view of the same fossil. 



Fig. 9. Hinder surface of the crown of penultimate molar (m 2) of ditto. 

 Fig. 10. Outer side view of mandibular ramus and teeth of a nearly mature Halmaturus 

 ualabatus. 



Fig. 11. Working-surface of molar series of ditto. 



Fig. 12. Inner side view of the same mandibular ramus and teeth. 



Fig. 13. Outer side view of a portion of the right mandibular ramus and tooth of a 

 young Protemnodon Mimas. 



Fig. 14. Inner side view of the same fossil, with the premolar (p 3) exposed in its for- 

 mative cavity. 



Fig. 15. Working-surface of the molar (m 1) of the same fossil. 



50 



