132 



D. E. PHILPOTT, A. SZKNT- CiYORGYI 



VOL. 12 (1953) 





I'lg. 4. l^.\i)l;iii<ilii)ii 111 text. 



continuniisK' t lirouijli tlu^ 1'' and I l-banrls in rlircrt rontinnat ion of the ] protofibrils of tlic 

 A-hand. 



As V']i^. 4 indicates, the c.xtindiMl clastic sc,L;nicnts of the prololihiils liax'c a dilfercnt 

 ai)i)earancc than their contractile portions. While in tiicse latter the outiiies arc always 

 found to be tairlv vague, in the forniei" the contours of the single protolibiils stand out 

 sharply, reminding one ol the wires in a piano. This dilference is still stionger at higher 



Ucjcvcuccs p. IJJ. 



