100 PROFESSOR OWEN ON THE AYE-AYE. 



Fig. 13. Right scapula, inner view. 



Fig. 14. Left humerus, front view. 



Fig. 15. Left humerus, back view, with lower articular surface beneath. 



Fig. 16. Upper ends of right radius and ulna, side view. 



Fig. 17. Lower ends of right radius and ulna, with bones of hand. 



Fig. 18. Carpal bones. 



s, scaphoid ; i, intermedium ; /, lunare ; c, cuneiforme ; p, pisiforme ; t, tra- 

 pezium ; z, trapezoides ; m, magnum ; u, unciforme. 

 Fig. 19. Right OS innominatum, side view. 

 Fig. 20. Ossa innominata, front view. 

 Fig. 21. Upper end of left femur, front view. 

 Fig. 22. Bones of the right foot. 



Fig. 23. Portion of tarsus of Otoiicnus crassicaudatus ; from De Blainville, ' Osteographie 

 des Primates' (Lemur, pi. 5). 

 s, naviculare ; a, astragalus ; d, calcaneum ; i, entocuneiforme ; m, meso- 

 cuneiforme ; e, ectocuneiforme ; b, cuboides. 



(All the figures are of the natural size.) 



PLATE XXII. 



Fig. 1. Superficial muscles of neck and fore limb. 

 Fig. 2. Axillary and brachial artery in situ. 

 Fig. 3. Larynx, trachea, and lungs. 



(Natural size : the letters and figures are explained in the text, j 



PLATE XXIII. 



Fig. 1. Deep-seated muscles of arm, with the axillo-brachial artery, and origins of 



muscles of the forearm. 

 Fig. 2. Superficial muscles of the fore Umb, outer and back view. 

 Fig. 3. Flexor sublimis perforatus. 

 Fig. 4. Flexor profundus perforans. 



PLATE XXIV. 



Fig. I. Renal and adrenal organs m si^w ; abdominal aorta and its primary branches ; 



superficial muscles of the hind limb, inner and plantar view (the drawing has 



been engraved without the use of the mirror). 

 Fig. 2. Brain, base view. 

 Fig. 3. Brain, upper view. 



