Spiders captured in Canada. 33 



brown bars on its posterior half; sides yellowish brown spotted 

 with brown ; under part yellowish gray. Sexual organs red- 

 brown. Plates of the spiracles brown. 



4. Lycosa modica. 



Length of the male ^^ths of an inch ; length of the cephalo- 

 thorax ^ ; breadth ^ ; breadth of the abdomen I ; length of a 

 posterior leg ~| ; length of a leg of the third pair f. 



Cephalo-thorax long, thinly covered with hairs, compressed 

 before, depressed on the sides and at the posterior part, with a 

 narrow indentation in the medial line ; it is of a dark brown 

 colour, with a yellowish brown band extending along each side 

 to the frontal margin, where the two unite, and a longitudinal 

 one of the same hue in the middle. Intermediate eyes of the 

 anterior row slightly larger than the exterior ones ; anterior eyes 

 of the quadrilateral the largest of the eight. Mandibles conical, 

 vertical, and armed with teeth on the inner surface : maxillae 

 straight, and gradually enlarged to the extremity, which is 

 rounded : lip nearly quadrate, being rather broader at the base 

 than at the apex : these parts are red-brown, the maxillae, which 

 are the palest, and the lip having their extremities yellowish 

 brown. Sternum heart-shaped, dark brown with a faint tinge 

 of red. Legs long, provided with hairs and spines ; they are of 

 a yellowish brown colour, with some dark brown streaks on the 

 femora and tibiae, particularly on the upper side ; fourth pair 

 the longest, then the first, third pair a very little shorter than 

 the second. The palpi are browner than the legs, and the hu- 

 meral joint is amply provided with long black hairs on the under 

 side ; the radial joint is larger than the cubital and is abundantly 

 supplied with long black hairs ; the digital joint is oval, convex 

 and hairy externally, concave within, at the base, which concavity 

 comprises the palpal organs; they are moderately developed, 

 rather complicated in structure, prominent at the upper part, 

 with a slightly curved, finely pointed spine directed from the 

 inner to the outer side across the middle, and are of a red-brown 

 colour. The compact extremity of the digital joint is densely 

 covered with long fine hairs on the under side. Abdomen 

 thickly clad with hairs, oviform, convex above, projecting over the 

 base of the cephalo-thorax ; the upper part is dark brown, with 

 a yellowish brown band extending from its anterior extremity 

 along the middle nearly half-way to the spinners ; sides faintly 

 tinged with yellow; under part yellowish brown. Plates of the 

 spiracles brown. Spinners brownish black. 



Ann. §• Mag. N. Hist. Vol. xvii. D 



