286 Wiscoiisin Academij of Sciences^ Arts^ and Letters. 



C Fringes of fine, long, yellow hairs on all the legs, 



11 -j heaviest on those of the first pair arizonensis 



( Legs not fringed with j^ellow hairs 12 



-. 2 5 Falces iridescent 13 



( Falces with white hairs or scales; not iridescent 14 



f First leg with a very heavy fringe of white hairs: size 



-.o J 8.5 mm comatus 



] First leg without heavy white fringe: first and second 



(^ legs distinctly thickened; size about 10 mm galathea 



f Falces entirely covered with long, soft, white hairs; 



-J . J no ridge of hairs above first row of eyes Putnaraii 



] Upper two-thirds of falces covered with white scales; 



(^ a ridge of rusty brown hairs above first row of eyes. obscurus 



FEMALES. 



-, S Rpc^i hairs on abdomen . . . 

 I No red hairs on abdomen. 



2 

 6 



( Large spiders, more than 12 mm, long 



( 



Medium sized spiders, usually not more than 10 mm. 

 long .* 



3 



4 



3 i 



Tripunctate marking on abdomen consisting of a 

 a -( large central red spot and tv^-o smaller ones 

 further back; red hairs on cephalic part 



i 



\. 



{ Body hairy; cephalothorax heavy and wide 

 (4.6 mm.); falces green; first and second legs 

 very heavy; third leg longer than second; ab- 

 domen red with central black band, and, at 

 anterior end, a white band with a black band 

 behind it 



Body not hairy; cephalothorax not v/ide (3.5 



mm.) nor heavy; first and second legs not 



heavy; second and third legs equal: abdomen 



^ 'I red, with central black band, and, at anterior 



I end, a faint yellowish band with no black be- 



^^ hind it 



f Abdomen with herring-bone stripe; body not 



■J J very hairy; cephalothorax small in proportion 



1 to size of spider; falces black; second leg 



[^ longer than third 



ininiatus 



carneus 



ardena 



Georgii 



4 < 



[ Heavy looking cephalothorax which rounds out widely 

 1 on the sides, and has the cephalic plate black, and 



the sides of a much lighter reddish brown color; 



legs barred with lighter and darker brown 



Cephalothorax not heavy looking; sides rounded out 



but not widely, as in insolens 



insolens 

 5 



