Page 626, 
448 ON THE TRACHE 
4 
that between the two: differently modified parts. In figure la the 
front view of the lower end of the trachea is represented, figure b 
giving a side view of the same. 
The powerful sterno-tracheal muscles leave the windpipe opposite 
the middle of the laterally flattened portion of the tube; and a few 
muscular fibres from their anterior margin are continued downwards 
for a short distance, but not nearly to the last ring, they being lost 
upon the sides of the trachea. 
Fig. 1. 
Lower end of the trachea of Tantalus loculator 2. 
a. View from the front ; 6. View from the right side. 
