ARACHNIDES. 
50.3 
tail, terminating in an arcuated sting ; two pectinated and 
moveable plates under the belly, at the lower part of the abdo¬ 
men ; each side with four spiracles ; eight eyes and feet, except 
in one species, which has but six eyes. 
Scorpio Europceus —The European Scorpion. 
Plate XCVI. fig. 1. 
Having six eyes ; body dusky-brown ; pecten provided with 
nine teeth, and the wrists with one; forceps subcordate; legs 
and last joint of the tail brownish-yellow. Inhabits Southern 
Europe. 
TRIBE II.-TARANTULA. 
With a pedunculated abdomen, and two spiracles below on 
each side, having a filamentary termination and stingless ; palpi 
arm-shaped, with spinous extremities ; mandibles monodactyle; 
anterior feet longest, and terminated by a setaceous tarsus ; 
tongue long, linear, and arrow-shaped. There are two genera 
in this tribe :—2. Thelyphonus ; 3. Phrynus. 
Genus 2. —THE L YP H ON US_ Latreille. 
Generic Character. — Two arm-formed palpi, shorter than 
the feet, and terminated with forceps; mandibles covered with 
scales; eight eyes ; body oblong; thorax ovate; abdomen con¬ 
sisting of a series of annulations, with a jointed seta at the pos¬ 
terior termination; eight feet. 
Thelyphonus proscorpio. — The Tarantula. 
Plate XCVI. fig. 2. 
Yellowish-brown; back of the abdomen with a series of tri¬ 
gonal black spots, with whitish edges, legs marked beneath with 
white and black bars. Inhabits Southern Europe. 
Section II.— Araneides. 
Palpi formed like small feet, and terminated by a minute 
hook ; the sexual organs of the male situated in the last joint; 
both sexes provided with four or six web-spinning mamillce near 
the vent. 
