ANATOMY. I! 
The apex presents the -posterior opening of the sacral 
canal, the posterior articular cavity, the body of the 
last sacral vertebra, the vestiges of the articular pro- 
cesses, and the posterior notches of that vertebra. 
The sacral canal is a part of the rachidian canal, 
triangular, and diminishes in width posteriorly. 
The coccyx is composed of from fifteen to eighteen 
coccygeal or caudal vertebre, situated behind the 
sacrum, the first three of which may be said to belong 
to the pelvis. 
Fic. 2. 
PELVIS OF THE Cow. 
A, Ilium; B, Pubis; C; Ischium; D, Foramen Ovale; E, Sciatic Spine; 
F, Cotyloid Cavity; G, Tuberosity of the Ischium. 
DIFFERENCES OF THE BONES OF THE PELVIS OF OTHER 
DOMESTIC ANIMALS. 
The coxe in all the domestic animals are more 
or less horizontal, and the z/um has a vertical direction. 
In the Cow, the space between the coxe is no 
greater before than behind; they are less solid and 
