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Sphincter Muscle. 



Perforation for the Passage of nourishing Vessels. 



Ridges the effect of muscular contraction. 



Corrugated Muscle. 



Reproduced Parts. 



Radiated insertion. 



Ridge-like insertion. 



Muscle which has slid from its regular position or is displaced. 



Place where the Arms are broken off. 

 Cy Place where the Fingers are broken off. 

 It, Undulated insertion. 



^7 Trefoil-shaped elevation on the truncated point of the pelvis, costals, 

 and other joints. 



tyfe Depressing Muscle. 



So Aperture between the joints under the plated integument. 



a First. 



^ Second. 



d Joint or Plate. 



f Enlarged. 



a Crenulated suture. 



/Irregular joint, the result of injury sustained by the membrane or 

 periosteum which secreted the calcareous matter. 



Superior surface. 

 Inferior surface. 



