CLjiSS III. AKACHNOIDA. 129 



Stirps 3. — Legs not formed for leaping. Hinder eyes placed on the 

 anterior and superior part of the thorax, forming an irregular hex- 

 agon. {Hinder pair of legs longest.) 



Genus 20. LYCOSA. Lutreillc, Wakkcnacr, Leach. 



Ahi.rilUe straight, anteriorly convex; externally towards the side some- 

 what arcuated; internally slightly margined, gradually narrowing 

 towards the base; the apex obliquely truncated, forming almost an 

 inverted triangle: Up elongate, quadrate: legs strong, the fourth 

 pair longest, then the second; the third shortest. 



Sp. 1 . Lye. saccata. Above smoky-black clouded with cinereous vil- 

 lositv' ; carina of tlie thorax obscure, reddish, with a cinereous vil- 

 lous line ; base of the abdomerl with a little bundle of griseous hairs : 

 legs livid-red, with blackish spots. 



Inhabits Europe. It is very common in Britain : the female may be 

 observed in gardens carrying her bag of eggs, of a green colour : 

 palpi, mandibles, and anterior margin of the thorax livid-red in the 

 female, black in the male. 



Genus 21. DOLOMEDES. Lafrcilk, Walckenaer, Leach. 



ill«.n7/^' straight, oval-quadrate; tlie apex externally rounded, inter- 

 nally obliquely truncated: lip somewhat square, the diameters 

 nearly equal, the points of the angles rounded : legs elongate ; the 

 fuurUi pair longest, then the second; the third shortest: elaits ex- 

 serted, without brushes below. 



Sp. 1. DoL mirabitis. Pale reddish, covered with greyish down: tho- 

 rax heart-shaped, anteriorly abruptly sloping: the anterior angles 

 and dor,-al line whitish: abdomen conical, suboval : back darker. 



Aranea saccata. Linn. Dolomcdes mirabilis. Walck., Latr., Leach. 

 Aranea Listeri. Scopoli. Aranea obscura. Fahr. 



Inhabits woods. 



Stirps 4.— ie^s formed for leaping: (Eyeseight. r/(o?Y/r never carinatcd.) 



Genus 22. SALTICUS. Lair., Leach. Attus. Vrulck. 



Maxilla; sti'aight, longitudinal, subrhomboidal, or inverse-cuneate- 

 ovate: Up elongate, suboval, the apex obtuse: palpi clavate: thora.v 

 tmncate-ovate or parallelogrammic : eijes disposed in the form of a 

 horse-shoe, the t^vo middle ones largest : /fgs thick and short; tlie 

 iirst pair thickest and not longer than the fourth pair; the second 

 and the third pairs of nearly an equal length, and shorter than the 

 two other pairs. 



Sp. 1. Sal. scenicus. Black; margin of the thorax covered with white 

 down : abdomen short ovate ; above with a reddish-gray pubescence, 

 with three transverse arcuate lines, and the anus white; the tirst 

 band basal and entire, the others acutely tent anteriorly; and inter- 

 rupted in their middle. 



