46 SPOLIA ZEYLANICA. 
species is probably much less dependent on moisture than 
the small species ; and like the large species of szorpion-spider it 
sometimes gets into bungalows. On one occasion, indeed, a friend 
of his found a fine specimen occupying his bed in a resthouse on the 
Trincomalee road. 
But, beside these large and conspicuous kinds of Pedipalpi, there 
is yet another family, the Tartarides, which contains only very 
small and inconspicuous forms, characterized by the presence of a 
very short tail (flattened into a plate in the only species of male 
definitely known), and a form otherwise resembling that of the 
whip-scorpions. ‘This family is confined, so far as has been ascer- 
tained, to Ceylon and Burma, and scarcely anything is known about 
it, aS Specimens are very rarely seen. This is not due to their being 
scarce, however, for they are quite abundant in the thick deposit 
of dead leaves in certain parts of the shrubberies of Peradeniya 
Gardens, and not at all uncommon under stones among grass 
sheltered by trees or bushes, both at Peradeniya and above Lady 
Blake’s Drive between there and Kandy. Mr. Green tells me that 
he obtained a specimen at an altitude of about 4,000 ft., and no 
doubt they are in reality very widely distributed in the Island. 
But they require very careful looking for in suitable places, and 
when found they bear such a close superficial resemblance to a 
largish ant—the sensory legs being directed forwards so as to assume 
very much the appearance and position of the antennz of an ant— 
that their true nature may easily be overlooked. The body of these 
creatures, however, is somewhat more cylindrical than that of most 
ants, the “‘ waist’ being less distinct ; their jaws work vertically 
side by side as in spiders, instead of horizontally as in ants, and so 
are quite inconspicuous ; and their spasmodic darting movements 
as they search for a hiding-place are also very characteristic ; once 
a specimen has been seen and recognized there will be no difficulty 
in recognizing others. 
Two species are recorded froni Ceylon : the common pale brownish 
or olivaceous one, 3-1 in. in length, exclusive of the appendages, 
when (apparently) mature (Schizomus crassicaudatus) ; and a scarcer 
and more inconspicuous one of a dark olive-green colour, never more 
than 35 in. in length (S. swboculatus). Pocock, in the Arachnid 
“Fauna of British India,’ places this species in the Burmese genus 
Trithyreus ; but an examination of living specimens shows that it 
really ‘belongs to the purely Ceylonese genus Schizomus. Only in 
the former is the male known; it is much scarcer than the female, 
and easily recognizable by the flattened and expanded tail. A 
curious fact about this species, which T am quite unable to explain, 
is that males and females of a fairly definite and approximately 
equal size (3% in.) are found under stones, whilst apparently 
only females, and these of a larger size, occur among dead 
leaves. 
