396 ARACHNIDA—ARANEAE CHAP. 
twenty species of minute spiders from sub-tropical regions. They 
are eight-eyed, with short smooth legs, terminated by two claws 
not dentated. The spinnerets are especially characteristic. 
Prodidomus (Miltia) includes fifteen species from the Medi- 
terranean region, Africa, and America. Zimris is an Asiatic genus. 
The single species of Heleis (#. crinita) is from the Cape. 
Fam. 14. Drassidae.— Hlongate spiders with low cephalo- 
thorax. Legs usually rather long, strong, and tapering, terminated 
by two pectinate claws, 
armed with spines, and 
scopulate. The body is 
smooth or short-haired 
and frequently wnicolor- 
ous and sombre-coloured, 
seldom ornate. The eyes, 
normally eight, are in 
two transverse rows. The 
mouth parts (labium and 
maxtllae) are long. Spin- 
nerets as a rule terminal, 
and visible from above. 
This important family 
includes a large number 
of species from all parts 
of the world, fifty-six 
being natives of the 
British Isles. There are 
familiar examples in the 
brown or mouse-coloured 
spiders which — scurry 
away when stones are 
raised, or when _ loose 
Fic. 205.—Drassid Spiders. 1. Drassus lapidosus. bark is pulled off a tree. 
a ee 3. Zora spinimana. 4. The family may be 
divided into seven sub- 
families, of which four, DRASSINAE, CLUBIONINAE, LIOCRANINAE, 
and MICARIINAE, are represented in this country. 
Gi.) The DRASSINAE include more than twenty genera, some 
of which possess numerous species and have a wide distribution. 
The folowing may be mentioned :— 
