Phil. Trans. 1884. Plate 10. 
43 \> 
44 
Browing of closed Muscle. Chamber, 
with Lever in. conriection. 
For explou'ux.tion, of Figures , see text 
Diagramxxtic Section of closed 
Muscle. Chamber ,(longitudinal ) 
For explanaium of Figures see text 
West ITewman & C° lith.. 
