74 VETERINARY OBSTETRICS. 
This is often not practical, however, and, as a rule, we 
find the foetus so firmly wedged, that it is perfectly 
impossible to move it, either one way or the other. In 
this case, the effort must be made to deliver the foetus 
as presented (fig. 28). First of all, pass a cord, in 
— 
FIG. 30. 
GUNTHER’S CURVED PoRTE-CoRD AND BLUNT CROTCHET. 
front of each stifle (which is best done by an instrument 
called the porte-corde), through between the hind-limbs, 
