DESCRIPTION OF SPECIES EXAMINED 01 



the corium extends towards the free surface. Numerous 

 Driisenleisten in each nodule, and papillae of the corium 

 small and compound. There are darker pigmented bands, like 

 those of Petrogale, but less marked extending up to the free 

 surface of the epidermis and most of them connected with Drii- 

 senleisten. 



Fig. 75, another species of Macropus (derbianus) very similar 

 to that of Qipyprymnus rufescens. Section from plantar surface 

 of the hind foot. Papillae highly developed, pointed and ex- 

 tending far up towards the free surface of the epidermis. 



EDE^TAT'ES.—Myrmecophaga jubata (Figs. 7G, 77) are 



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Fig. 72.— Brush-tailed Wallaby. Petrogale penkiUata. x 15. Manus, D. 2. 

 Terminal and middle phalanges, section longitudinal. 



sections of the fore and hind foot, the former being from the 

 dorsal surface of the forefoot which is habitually doubled under 

 and thus rests on the ground when the animal walks. Both are 

 covered with low, wide scales with a distal imbrication and in 

 both the papillae of the corium are long and pointed, extending 

 near to the free surface of the epidermis, and they partake in 

 the distal slanting direction of the epidermic scales. 



UNGULATES. — Hyrax capensis (Fig. 78) is that of a section 

 from the plantar surface of the hind foot and presents little 

 differentiation of the epidermis, which is smooth on the surface, 

 with numerous small sharp-pointed papillae of the corium. 



RODENTS. — Sciurus vulgaris. Fig. 79, epidermis roughened 

 with no definite arrangement of nodules or scales. Papillae of 

 the corium well-developed and pointed, projecting far up to the 

 free surface. 



