112 GENERAL BIOLOGY. 



How does a muscle begin and how does it 



end? Compare the middle with the end. 

 IX. Bones. 



Examine the articulation of the femur with 



the pelvis. Observe the end of the bone, 



cartilage, etc. 

 Clean up the knee-joint, the pelvis, one or 



two vertebrae, and the skull, and see their 



parts. 



