Fig. 9. T2 after trcatrncnt with \ari()us (•licini( als: (a) ('(1(( N) :, removes tail fibers 

 (MagniHcation about 21.(l(l(») (From Kozloff d al. I!!;")?); (b) NH^OH at pH (>.() in- 

 activates '['2 and causes unwindiniz of tail fibers (Maiiiiitication about X 34,()(>()); (c) L-ar- 

 giiiine disrupts the head and the tij) of the tail (Magnification about X 2(),0()()) (From 

 Kozloff et fiL, 1957); (fl) iV-ethyl maleimide removes tail fibers (Magnification about 

 X 32,000). 



