CILIARY MOTIONS. 



CILIARY MOTIONS. 



[ 21 G.We have already stated that ciliary motions take place 

 independent of either the muscular or nervous systems ( 211). 



transverse streaking upon the several isolated primitive fibrils (Fig. 63, A. 

 and B). It would seem that transverse sections ought to supply the 

 surest grounds for conclusions ; but no such thing as a sheath can ever 



Fig. 61. 



Fig. 61. Structure 

 of human muscle ; a 

 portion of the attol- 

 lens auriculas, which 

 had been long kept 

 in spirit. A, A num- 

 ber of primary mus- 

 cular fasciculi mag- 

 nified about 200 

 diameters. B, A sin- 

 gle fasciculus more 

 highly magnified. C, 

 Some fibres of cellu- 

 lar tissue interposed 

 between the muscu- 

 lar fasciculi. 



Fig, 62. 

 Muscular fibre, 

 after Skey. 

 (Philo8.Trans. 

 1837.) A, Fi- 

 bra Muscularis 

 primitive 

 muscular fasci- 

 culus. Supe- 

 riorly the pri- 

 mitive fibres 

 are separated 

 from each 

 other ; the glo- 

 bules are blood- 

 discs to serve 

 as standards for 

 the estimation 

 of their diame- 

 ter. B, A pri- 

 mitive muscu- 

 lar fibre, to 



show how the transverse striae are produced, and that they may be ^ eve- 

 rally seen as elevations. 



