rr ASS III. ARACirxoiiDA. 129 



Stiups 3. — T^gs not formed for leaping. Iliiuhr eyes placed on tlie 

 anterior and superior ])art of the thorax, forming an irregular licx- 

 agon. (Hinder pair of legs longest.) 



Genus 20. LYCOSA. iMtreillc, Walckendcr, Leach. 



Maxilla straight, anteriorly coua ex ; externally towards the side some- 

 what arcuated ; internally slightly margined, gradually narrowing 

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

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

 pair longest, then the second; the third shortest. 



Sj>. 1. I/j/c. saccata. Above smoky-black clouded with cinereous vil- 

 losity ; carina of the thorax obscure, reddish, with a cinereous vil- 

 lous line; base of the abdomen with a little bundle of griscous hairs: 

 legs livid-red, with blackish spots. 



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

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

 ]>alpi, mandibles, i^nd anterior margin of the thorax li\id-red in the 

 female, black in the male. 



Genus 21. DOLOMEDES. Lafreille, Wahkcmcr, Leach. ^ 



Maxilla: straight, oval-quadrate ; the apex externally rounded, inter- 

 nally obli(pie]y truncated: lip somewhat square, the diameters 

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

 fourth pair longest, then the second; the third shortest: cluzcs ex- 

 sertcd, without brushes below. 



Sp. 1. Dol. miralnlis. Pale reddish, covered with greyish down: tho- 

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

 and dorsal line whitish: abdomen conical, suboval : back darker. 



Aranea saccata. Linn. Dolomedcs mirabilis. Walck., Lutr., L^each. 

 Aranca Listeri. Scopoli. Aranea obscura. Fabr. 



Inhabits woods. 



Stir PS 4.— Legs formed for leaping : {Ei/es eight. r//o?-a.r never carinatcd.) 



Genus 22. SALTICUS. Latr., Leach. Attus. Walck. 



MaxilltE straight, longitudinal, subrhomboidal, or inversc-cuneate- 

 ovate: Up elongate, suboval, the apex obtuse: palpi clavate: thorax 

 truncate-ovate or parallelogrammic : eyes disposed in the form of a 

 horse-shop, the two middle ones largest: /cgs thick and short; the 

 first 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 antis white; the first 

 band basal and entire, the others acutely beat anteriorly, and inter- 

 rupted in their middle. 



1 



