
An Introduction to Mrs. Eipeira 
Like all the rest of the Spin- 
ner family, Mrs. Epeira has but | 
two distinct divisions to her body. 
The foremost part is the 
head and chest com- 
bined. If we wish / 
to be very exact, we must \s 
call this the cephalo-thorax. py, uuder side of 
The hinder portion is the ab- {7raluomunet, 
domen. This is almost five ™% 
times as large as the cephalo-thorax. 
Small as the front division is, all of 
Mrs. Epeira’s legs are attached to it, 
and that means no small thing, for 
she has no less than four pairs. No 
wonder she can glide down her rope 
ladder so fearlessly when she has eight 
feet and legs with which to hold on! 
Every leg 1s made up of seven pieces 
orsegments. ‘The first round segment, 
called the coxa, attaches the lee by 
means of a firm membrane to the under 
side of the body. ‘The coxas of the 
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