BONES OF THE PELVIC LIMB 



181 



nolX ■'''?' ''^"''' 'f ^'""^'^^'^''^ ^"tl^ th^ «^iP"-ior ischiatic spine bohind The 

 pelvic surface presents an extensive rough area hc.hin.l, whic.h is ia apposition with 



hi h " V\ f '' '°'''''^' ^"'' ^' *'"^''^' '■""gl'- ='"'1 Pn.niinont in its nH,kll(. 

 nhieh forms the highest point of the bone. The tuber saerale is lower than e 

 rest, IS directed baekwar,!, and articulates internally with the sa,.runi. T le tub 

 coxa IS lower still and is very little thickened. The ischia in thc^ female are s "me 

 wha divei;gent and flattened behind. Tlu. tubera are everted and bear three prl- 

 memes. There is a crest or tul>erosity on th,- ventral surface. The superior 

 ischiatic spme is like that of the cow, but is slightly incurved and the muscnikr 



Trochanter 

 major 



Head 



Lateral 

 epicunrlyle fra. 



Xeck 



•t 'V Medial 

 ,'J epieniiAijl 



\V5 ' Wt> 



Lateral Troehlea Mnlial 



coadijle eniiil/jle 



Fk;. I'j'.i. — IJiGHT Femur of Pig; Axterk^u ^'IEW. 



Medial 



sapraeo>i- 

 dylnid crest 



Medial . 

 epicundyle p/ 



/ 



Trarhanter 

 laajar 



Lat, rat 

 bordi r 



Lateral 

 siijiraeati- 

 dylind crest 



Lateral 

 epicundyle 



Inter- 

 Medial condi)l( ciaiili/laid Lateral amdyle 

 Jassa 



Fig. I'.ll. — Right Femth of Vic,; Po.steriok \\eA\\ 



ridges on its lateral face are more pronounced. The s>'mphyscal part of the pubis 

 is thick and the two bones arc almo.st in a horizontal plane. The ilio-pectineal 

 eminence is prominent and the psoas tubercle is well marked. 



The acetabulum is placed a little further back than in the ox. The rim is 

 thick and is cut into p<jsteriorly by a narrow fissure, which leads int(.) the deep fossa 

 acetabuli. The three pieces of the os coxte are fused by the end of the first y(vu-, 

 but the crest and the tuber ischii are partially separate till the .sixth or seventh >-ear. 

 The symphysis does not usually undergo complete ankylosis. Interischial l>ones 

 are present. 



The inlet of the pelvis is elliptical and very oblicjuc. In a sow of full size the 

 conjugate diameter measures five to six inches (12.5-15 cm.), and the transverse 



