chamberlin: the arachnida. 



287 



spines with two spines in the middorsal line and with two each on the 

 anterior and posterior side above. 



Male. (Type, Tincochaca). Length, 24.5 mm. Length of cepha- 

 lothorax, 9 mm.; width, 6.2 mm. 



Female {Tor ontoy). Length, 24.5 mm. Length of cephalothorax, 

 9 mm.; width, 6.2 mm. 



Localities. — Tincochaca, 7,000 feet, August. (Type, M. C. Z. 

 285, male; paratype, M. C. Z. 286, female). Lucma, 7,000 feet, 

 August. (M. C. Z. 287, six specimens). Torontoy, 8,000 feet, July. 

 (M. C. Z. 288, one female). Urubamba, 9,500 feet, July. (M. C. Z. 

 289, one immature female). 



Lycosa algina,^ sp. nov. 



Plate 24, fig. 



5-6. 



Sides of carapace blackish brown; the usual pale supramarginal 

 line on each side extending forward to pars cephalica; a median longi- 

 tudinal pale stripe extending from between eyes which are enclosed 

 in black, to caudal margin, this being a little constricted at a point 

 between eyes and groove, narrowing down posterior declivity as usual. 

 Sternum yellow with a solid black median longitudinal stripe across 

 the entire length. Chelicerae testaceous with a few, in part obscure, 

 blackish longitudinal lines. Coxae of legs beneath yellow. Leg I 



i 'oiKynvoi, giving peiin. 



