620 



FIBRES OF THE HEART. 

 Fig. 278. 



Fig. 279. 



Fig. 280. 



Fig. 281. 



CPCAA 



Fig. 282. 



CPCAA^L 



CACC 



CRO 



reeling medium among the fibres in question mined the fibres with me, could detect its exist- 



is not only proved by the absence of its physi- ence. 



cal characters, but by its not being discovered Since the chief utility of cellular membrane 



through the medium of the microscope. Nei- in investing and connecting together the fibres 



ther Mr. Kiernan nor Mr. Goadby, who exa- of a muscle is, most probably, that of retaining 



