Mrs. Epewras Spinning-Machine 
what has happened, for these dents are 
the spots where the ends of the mus- 
cles on the imside are 
fastened to the walls of 
the body. 
The spinning - machine 
is found near the end of 
the abdomen on the 
under side. It is com- 
posed of six blunt pro- 
jections that resemble  finger-tips. 
These are called spinnerets, or some- 
times spinners. Every spinneret is 
pierced at the end with hundreds of 
tiny, tube-like openings. It is through 
these tubes that the delicate silk for 
Mrs. Epeira’s weaving is drawn out. 
On the inside of the abdomen, just 
above the spinnerets, is a bunch of lit- 
tle pouches or sacs. From each pouch 
a small duct leads to one of the tube- 
like openings on the spinnerets. ‘These 
pouches are glands that secrete a clear, 
3 38 

The six spinnerets 

