132 Wyman on the Cancelli of Bones. 
shell which forms the under wall of the neck, and from this 
they diverge towards the upper portion of the head, neck, tro- 
chanter major, and that portion of the shaft just below this 
last; those which extend into the head are much the longest. 
The fibres of the second series (b b) are arranged in parallel 
curves, the extremes of which are attached on the one hand 
to the wall of bone at the base of the great trochanter, and 
the other to tbat portion of the preceding class of fibres which. 
supports the upper surface of the head, as well as to the shell 
of bone between it and the trochanter at (d.) Both of these 
