-JCORRUGATOR 

 ORBICULARIS 



Fig. 20. 



Muscles surrounding orbit with lines of action. Left-muscles concerned 



in movements of parts round orbits. Right -lines of action of these muscles 



indicated by arrows. 



Fig. 21.— C. B. cet 81. 

 Hairs : Thick and bushy eyebrows. At junction of outer and middle third 

 of each side the thick hairs turn abruptly downwards in a tuft and cover the 



upper lid. 

 Wrinkles : Arched and lateral fairly well-marked, one very deep, central and 



vertical wrinkle. 



Fig. 22.— G. W. cet 79. 

 Hairs : On each side at junction of outer and middle thirds a definite wisp 



of hair turning upwards. 

 Wrinkles : Arched and orbital well-marked, central wrinkles hardly visible 



