181 



aihvlhmic (tabic 19). Lonjf inlcnnissioiis wcmh' foUowod 

 l)y i)cri(jcls with fibrillary conlraclions. In Iho mcaiUime Iho 

 isolated, single trasTmonl of hcarl had |)iilsalod with a rather 

 c'onslanl inteniiission all Ihc lime. The cultures were un- 

 sealed quickly and by means of a shar]) cataract knife, the 

 (wo fi-ai>inents were separated in (he zone of lU'w growth, 

 ihe culture was sealed again and observed under the 

 microscope. The whole procedure look no more tlian one 

 minute. From this time on, Ihe Iwo fragments pulsated 

 regularly, i. e. the intermission were constant for the same 

 fragment, (table 19). 



Table 19. 

 Culture 2013. 



rp. , , . Tune between two con- 



nme between two con- , ,• r , ^- „♦ 



, ,. f til tractions oi two adjacent 



tractions of control. * „ + 



fragments. 



Time between two con- 

 tractions of the other. 



Before the two became connected. 



