ARACHNIDES. 
505 
TRIBE II.-INjEQUITELTE. 
With exterior, conical, converging, spinning papillae ; the first 
and last pairs usually the longest; jaws with an inclination upon 
the labium.—It contains the following genera:—15. Theridion; 
1G. Scytodes; 17. Episinus; and 18. Pholcus. 
Genus 16. — SCYTODES. — Latreille. 
Generic Character. — With longitudinal oblique maxillae cover¬ 
ing the sides of the lip ; having their bases thickened, and apex 
obliquely truncated internally; lip a little quadrate, with its 
base slightly contracted; fourth and fifth pairs of feet longest, 
the third pair being shortest. 
Scytodes thoracica .— The Thoracic Scytodes. 
Plate XCVI. fig. 5. 
Skin coloured, spotted with black; with a large orbicular 
thorax, produced and rounded behind; abdomen nearly white 
and subglobose. Inhabits houses at Paris. 
TRIBE III.-ORBITELJE. 
In general form resembling the last tribe; but the first pair of 
feet, and afterwards the second, are usually longest; jaws 
straight and widening towards their upper extremity. The genera 
are, 19. Linyphia; 20. Uloborus; 21. Tetragnatha; and 
Genus 22.—E PE IRA.— Latreille. 
Generic Character. —With the four central eyes placed trian¬ 
gularly, the two anterior ones largest; maxillse somewhat circu¬ 
lar, and internally membranaceous ; lip semicircular, short, with 
a membranaceous point; feet hairy, the first pair longest, next 
the second, then the fourth ; abdomen subglobose; large, and 
greatly broader than the thorax. 
Epeira diadema .— The Crown Epeira. 
Plate XCVI. fig. 6. 
Abdomen nearly ovate and globose, with an elevated ridge on 
each side of its base; of a reddish chestnut-brown colour, and 
spotted with yellowish-white. Inhabits Europe, in woods and 
gardens. 
