I2 VETERINARY OBSTETRICS. 
voluminous than in the mare. The iliac concavity not 
so wide, and is more vertical than in the mare. 
The zschcum is thinner, but has a wider surface, is 
more curved from before to behind, and from side to 
side; while the ischiatic spine is prominent and thin. 
There are three tuberosities on the postero-external 
angle. 
The puédzs is wide and thin; the upper face is very 
concave, and on its inferior face it has no channel. The 
foramen ‘ovale is large, There is earlier ossification. 
of the symphysis than in the mare. 
The sacrum is longer, more curved and voluminous. 
Fic. 3. 
PELVIS OF THE SHEEP. 
A, Ilium; B, Pubis; C, Ischium; D, Foramen Ovale; E, Cotyloid Cavity. 
The caudal vertebre are stronger and more 
tuberous ; sixteen to twenty in number. 
The gelvzs of the Sheep and Goat resembles that of 
the Cow, although, on the whole, it is more horizontal 
and longer. 
In the Bitch and Cat, the lateral diameter is 
greater before than behind. The zum is almost 
