ME. ST. a. MIVAET ON THE SKELETON OF THE PRIMATES. 221 



Fig. 8. Proximal surface of right tibia No. 3 C. 



Fig. 9. Distal surface of the same. 



Fig. 10. Proximal end of right fibula of No. 3 C. 



Fig. 11. Distal end of the same. 



Fig. 12. Lateral view of proximal phalanx of index of pes. 



a, crest of tibia ; b, tubercle ; c, external tuberosity ; d, internal tuberosity ; e, arti- 

 cular surface for external condyle of femur; f, articular surface for internal condyle 

 of femur ; c/, spine ; h, groove behind spine ; i, pit for semimembranosus ; k, upper 

 surface of tibia for fibula ; I, ridge leading downwards from the front of that surface ; 

 m, ridge leading downwards from behind that surface ; n, medullary foramen ; o, internal 

 malleolus; p, groove for tendons oi tibialis posticus taiA flexor longus digitorum; §, arti- 

 cular surface for superior face of astragalus ; r, articular surface of malleolus ; s, lower 

 articular surface of tibia for fibula ; t, process of head of fibula for biceps ; u, anterior 

 margin of fibula ; v, posterior external margin of fibula ; w, posterior internal margin 

 of fibula ; x, peroneal malleolus ; y, medullary foramen ; z, articular surface of fibula 

 for tarsus. 



PLATE XLII. Manus. 



Fig. 1. Palmar surface of the manus No. 5076 in the Museum of the Koyal College of 



Surgeons, the bones of which are united by their ligaments only. 

 Fig. 2. Left scaphoides of skeleton No. 3 B in the British Museum : its proximal 



surface. 

 Fig. 3. Distal surface of the same. 

 Fig. 4. Dorsal (or extensor) surface of the same. 



a, surface for articulation with the radius ; b, radial tuberosity ; e, surface for arti- 

 culation with the semilunare ; d, surface for the intermedium ; e, that for the radial 

 end of the intermedium ; f, that for the trapezium . 

 Fig. 5. Left intermedium of No. 3 B : first surface. 

 Fiff. 6. Second surface of the same. 



a, surface for articulation with the trapezoides ; b, that for the magnum ; c, uhiar 

 end of the bone; d, its radial end; e, the process which projects over the junction of 

 the intermedium with the scaphoides. 

 Fig. 7. Left semilunare of No. 3B: its radial side. 

 Fig. 8. Ulnar side of the same. 

 Fig. 9. Palmar side of the same. 



a, surface for articulation with the radius; b, that for the scaphoides; c, that for 

 the cuneiforme ; d, that for the magnum. 

 Fig. 10. Left cuneiforme of No. 3 B : its ulnar surface. 

 Fig. 11. Radial surface of the same. 



a. Surface for articulation with the unciforme ; J, that for the pisiforme ; l\ gioove 



