Fig. 68. — Brush-tailed ' Wallaby. 

 Petrogalepencillata. x 15. Pes. 

 Plantar surface in front of heel, 

 longitudinal section. 



Fig. 69. — Brush-tailed Wallaby. 

 Petrogale penicillata. x 15. Pes. 

 Plantar surface in front of heel, 

 longitudinal section. 



Fig. 70. — Bruhh-tailei) \\ailaby.' Petrogale j)eniciUaia. x 15. Pes. 



Plantar surface over heel section from skin, where the epidermis is 



much thickened, and there are notesselated scales or papillae 



of the corium, longitudinal section. 



Fig. 71. — Brush-tailed Wallaby. 

 Petrogale penicillata. x 15. Manus, 

 D. 1. Terminal phalanx, longi- 

 tudinal section. 



Fig. 73. — Rufous Rat Kangaroo. 

 QSpypryninns rufescens. x 25. 

 Pes. Plantar surface in front of 

 heel, scales here become indistinct, 

 section longitudinal. 



