234 ANNULATA. 
the male is smaller and of more delicate build. The colour 
varies considerably in shades of brown, but is 
always mottled in blotches and irregular mark- 
ings of white. The most characteristic of these is a 
T-shaped white mark on the abdomen, followed by two or 
more large white dots. The legs are barred. 
LEpeira diademata lives in the centre of its vertical web. 
usually head downwards. The web is commonly suspended 
between branches of a shrub. 
The body is constricted by a ‘‘waist” into an anterior 
smaller part called the cephalothorax, and a large posterior 
ze globose part, the addomen. Neither part shows 
Xternal Sic agielin iat : 
any external indications of segmentation and 
the abdomen is soft to the touch. The 
abdomen bears no appendages but the cephalothorax 
has six pairs. The anterior of these are called the 
chelicere. They are two-jointed, and the distal joint is 
in the form of a sharp curved stylet connected with a 
. poison gland in the proximal joint. 
ane rl sapere Oat The second pair are the pedipalpi 
DAGES OF Eprrra Dia- Or feelers; they appear like a pair 
DEMATA. (Ad nat.) of short legs and really function as 
Magnified. arms. The basal joint is formed 
into a kind of jaw and the terminal 
joint in the adult male is modified 
into a swollen ‘“palpal organ” for 
transferring the sperms into the 
seminal receptacle of the female. 
The next four appendages are /egs, 
many - jointed and covered with 
numerous hairs. 
a\, LE The spider, therefore, differs from 
Pedipalpi. the insect in having no pre-oral ap- 
epieocaen) foes acne ane Te 
pedipalpiwith long palps, ako  S€SSing four pairs of legs instead of 
non-chelate. three. 
The mouth is a minute ventral aperture between the two 
cheliceree and the anus is at the tip of the abdomen. 
Immediately in front of the anus is a swollen process which 
is found to consist of four papille or spinnerets, at the 
tip of each of which there is a great number of minute 
Habits. 
Features. 
