THE SKELETON OF THE DOG. PELVIC GIRDLE. 411 



prominent roughened ischial tuberosity (fig. 78, A, 10). 

 The ischium meets its fellow in a ventral symphysis, and 

 forms about one-third of the acetabulum. 



FIG. 79. FRONT VIEW OF THE LEFT LEG BONES OF A DOG (Canis 



familiaris) x ^. 

 A femur, B tibia, C fibula, D patella. 



1. head of femur. 5. external condyle. 



2. neck. 6. internal condyle. 



3. great trochanter. 7. fabella. 



4. shaft. 8. cnemial crest. 



The pubis (fig. 78, 12) is smaller than either the ischium 

 or ilium ; it does not take part in the formation of the aceta- 

 bulum, and like the ischium, meets its fellow in a ventral 

 symphysis. The acetabular bone (fig. 78, B, 14) is small 



