5 PEDIPALPI OF CEYLON. 43 
PEDIPALPI OF CEYLON. 
By F. H. GRAVELY. 
(With three Text Figures.) 
HE Pedipalpi are a group of Arachnids, or spider-like creatures, 
which have as yet been very imperfectly studied, as specimens 
are scarce in the museums of Europe. They include the whip- 
scorpions (Thelyphonide) and scorpion-spiders (Phrynichide), of 
which the latter at least must be familiar to many residents in 
Ceylon, as one species (Phrynichus lunatus) is not uncommonly 
met with in bungalows. It is somewhat like a large and very 
) 
f 

Fic, A.—‘* Scorpion Spider” (Phrynichus lunatus), 6, natural size. 
much flattened spider, having an almost disc-shaped body and 
long legs, which spread out from it close against the wall on 
which it rests and over which it darts, usually sideways like a crab, 
with quite startling rapidity when disturbed. But instead of the 
four pairs of walking legs found in the spider there are only three 
pairs, as the first is enorniously lengthened and many-jointed, 
resembling both in form and in function the antenne of an insect ; 
for with these the creature feels its way about. And in front there 
is a pair of long arms, corresponding to the claws of a scorpion, 
terminated by a small claw and some stout curved spines ; as a rule, 
these arms project straight outwards as far as the elbow, where 
they bend straight inwards again, the forearm being in contact 
