ol 



inporbfor 

 ma.se 



episl 

 oul.coru/- 



asl 



ses 



scap7i ~ 

 ent.cun 

 melatJ- 



FIG. 1058. Skeleton of male Ornithorhynclms. Ventral view. The right fore limb has been -Depurated and 

 turned round so as to bring into view the dorsal surface of the maims. The lower jaw is rem<r< 



i i_ , _ j_. xi .t ...i f^..* .-- 4- *-iv*-i * VA- v\olo4:iTio Fm*QTnAH ' tiff, illlds . <(.sf. 



.. - , ., , . . .. - r -. - _ 



femur; ^e. glenoid cavity of shoulder joint; glen, glenoid cavity for mandible ; ta. humerns >/ _ u 

 i>i. eoiid. inner condyle of humerus ; inf. orb. for. points to position of infra-orbital foramen ;//,. ./.>. . 

 inferior processes of caudal vertebrae ; /o/-. mag. foramen magnum ; int. ,-l<*. intermediate ribs; <<>< . i;,cmum 

 ,,,<HI. magnum of carpus ; max. maxilla ; max. ;,-. maxillary foramen ; meta*. /, first metatarsal ; mei 

 metatarsal ; jxwf. ^rf. rV,-. posterior palatine foramen ; pr.mnj: pre-maxilla : pr.tf. pre-sternum; pwO. puma 

 o<. co/irf. outer condyle of humerus ; rail, radius ; v (7 >. scapula ; scopfc. scaphoid of tarsus ; 8caph,.tMn. scapn - 

 lunar; ses. sesamoid bones of wrist; .sp.-tarsal horny spur; til,, tibia; trd. trapezoid ; trm. trape 

 ,',. greater trochanter of femur; troch. mi*, lesser trochanter ; tym. c. tympanic cavity ; 

 unciform ; -com. vomcr; .>:, dumb-bell shaped bone ; :.>/[/. xygomatic arch; /- 



