nnscartf^P- '^^.^prmaa? 



. maar-J or 



ant pal^yor 

 iriforb.for 

 masc 



post pf/f^/'ar 



fjtir 



ses 

 scapJi 

 ent.cun 

 metatJ- 



FiG. 1127.— Skeleton of male Ornithorhynchus. Veutral view. The right fote-limb has'^beeii separated and 

 turned round so as to bring intu view the dorsal sui-facc of the manus : the lower jaw is removed, iicc. 

 tan. accessory tarsal bone supporting the spur ; imt. pal. for. anterior jjalatine foramen ; all. atlas ; ast. 

 astragalus ; «.<•. axis ; bs.oc. liasi -occipital ; hs.sph. basi-sphenoid ; rale, calcaneum ; rhd. cuboid ; cerv. r6. cervical 

 rib ; clav. clavicle ; cond. for. foramen above inner condyle of humerus ; ror. coracoid ; cv.n. cuneiform of 

 carpus ; dent, position of horny teeth ; ixt.run. ecto-cuneiform ; ent.cv.n. ento-cuneiform ; ep.cor. epicoracoid ; 

 ep. ph. epipubis ; /'.. fibula ; /cni. femur ; for. ■nui;/. foramen magnum ; ijlen. glenoid cavity of shoulder-joint 

 and glenoid cavity for mandible; Uniii. luimerus ; it. ilium; in. cond. inner condyle of humerus ; ?'/y._or(/, 

 for. points to jiosition of iufra-orlrital foiumen ; infr. proc. inferior processes of caudal vertebrae ; int. rl)s. 

 intermediate ribs; isck, ischium; maff. magnum of -carpus; ma.i:. maxilla ; ma./\/>?r. maxillary foramen ; 

 luttat. I, first metatarsal ; metnt. V, fifth metatarsal ; -iiag. cart, nasal cartilage ; oht. obturator foramen ; 

 ol. olecranon ; out. cond. outer condyle of humerus ; prd. iialatinc ; pat. j^atella ; post. pal. for.^ posterior 

 palatine foramen ; pr. max. premaxilla ; pr. «/. presternum ; ptcr. pterygoid ; pub. jiubis ; rajl. radius ; scap. 

 scapida ; scapih. si^aphoid of tarsus ; scaph. lun. scapho-lunar ; xes. sesamoid bones of wi-ist and ankle ; 

 gp. tarsal horny spur ; sq. squamosal ; lib. tibia ; trd. trajiezoid ; trm. trapezium ; troch. iwij. gi'eater 

 trochanter of femur ; troch. roin. lesser trochanter ; tyni. c. tympanic cavity ; vln. ulna ; unc. unciform ; 

 vom. vomer ; x, dimib-bell-shaped bone ; zyg. zygomatic arch; / — V, digits of manus. 



