532 



Veterinary Obstetrics 



Fig. 



I)ORSAi< Presentation. (Franck). 



Fig. 90. Ventrai, Presentation. (Franck). 



Positions of the Fetus. 



Position is the relation existing between an arbitrarily selected 

 part of the presenting portion of the fetal body and the circumfer- 

 ence of the pelvic girdle. A fixed point upon the fetal body, the 

 dorsum for the longitudinal presentation, and the head end for 

 the transverse presentation, is chosen as a basis. The pelvic inlet 



