prmagc 



a.n.t.pizl/f*or 

 irtforb^or 



m.a,sc 

 .post.pal^Ot 

 pter 



fonv 

 bs.sph 



bs.oc 

 all 



Fig. 56. — Skeleton of 

 male Ornithorhyn- 

 chus. Ventral view. 

 The right fore - limb 

 has been sep arateil 

 and turned round so 

 as to bring into view 

 the dorsal surf;ice of 

 the man us. The 

 lower jaw is removed. 

 ace. tars, A (.■ t ■ essory 

 tarsal bone supporting 

 the spur ; ant.pal.for, 

 anterior palatine fora- 

 men ; ast, astragalus , 

 atU atlas ; (/.'/;, axis ; 

 bs.oc, basi - occipital i 

 bs.sph, basi-splienai<l; 

 m/c, calcaneum ; chij, 

 cuboid; cerv.rb, cer- 

 vical rib ; riac, clavi- 

 cle ; cond.for, fora- 

 men above inner con- 

 dyle of humerus ; CO'l\ 

 coracoid ; c/o/, cunei- 

 form of curpns ; ilait, 

 horny dental plate ; 

 ect.cu'u. ecto- 

 cuneiliiim ; 

 C'it.n'ii, en- 

 to - c u 11 e i - 

 form ; ejj.co, 

 epicoracoid ; 

 rj>i.sf^ epi- 

 stcrnum ; 

 epipubis ; fb, 

 fern, femur ; 

 f 07'. mag, foram en m ag- 

 num ; gleii-, glenoid 

 cavity of shoulder- 

 joint ; gloi, glenoid 

 cavity for mandible ; 

 hiouy hu lu e rns ; 

 in.ciytidf inner con- 

 dyle of humerus ; 

 inf.orb.for, points to 

 position of infra-orbi- 

 talforamen ; iiifr.proc, 

 inferior processes of 

 candal vertebrae ; 

 lut.rbs, intermeiliate 

 ribs ; isch, ischium ; 

 i'iag, magnum of car- 

 pus ; max, maxilla ; 

 max.foT, m axillary 

 foramen ; inetai.J, 

 lirst metatarsal ; 

 metat. V, fifth meta- 

 tarsal ; nas.cart, nasal 

 cartilage ; oht, obtu- 

 rator foramen ; nl, 

 olecranon ; out.cond, outer condyle of humerus ; /lal, palatine ; ^yc/, patella ; 

 j'i>sf.pal.j'oi\ posterior palatine foramen ; j>r.iini:c, x^remaxilla ; pr.st, presternum ; 

 2Jter, i)tcrygoid ; ^7W&, pul.'is ; rad, radius ; scap, scapula ; scccpth, scaphoid of tarsus ; 

 ■srapli.hvn, scapho-lunar ; ses, sesamoid bones of wrist and ankle ; -s^, tarsal horny spur ; 

 .!>(/, squamosal ; tib, tibia ; trd, trapezoid ; tnn, trapezium ; ii/m.c, tymiianic cavity ; 

 ulii, ulna ; unc, uncifoi'm ; vom, vomer ; x, dumb-bell shaped bone ; rj/f/, zygomatic 

 arch ; I-V, digits oi nianus ; V, foramen for fifth nerve. (From Parker's Zoology.) 



ep.ph, 

 fibula ; 



ses 



scap/i 

 ent.curt- 



