Peckham—Revision of the Attidce of North America . 497 
Key to Icius. 
MALES. 
Abdomen iridescent or metallic. 
Abdomen not iridescent nor metallic* 
2 j Conspicuous tufts over the front eyes 
‘ No tufts over front eyes . 
A black spot and a tuft of black hairs at distal end of 
tibia I. Tube of palpus slender . elegans 
No black spot nor tuft on tibia I. Tube of palpus stout.. similis 
4 f Falces vertical, without apophysis . 5 
* l Falces obliquely directed, with an apophysis below.vitis 
f Falx with a compound tooth on lower margin. First leg 
with only the femur enlarged. Tube of palpus long, 
curved on itself. Rings of red hairs around front eyes. 
5 ^ From the Bahamas and Florida . Wickhamii 
Falx with a single conical tooth on lower margin. First 
leg with femur patella and tibia enlarged. Tube of 
palpus of ordinary form. No red hairs around eyes.. 6 
g ( Tibia I with a fringe of stiff brown hairs . Hartii 
( Tibia I not fringed. Legs lineate . formicarius 
f Abdomen reddish brown with six white spots. Tube of 
| palpus thickened but not truncated. Tib. I not fringed 
7 . sexmaculatus 
I Abdomen gray with white border and indistinct bars. Tube 
l of palpus blunt, truncated. Tib. I fringed . Hartii 
FEMALES. 
Tibia I not fringed. Abdomen iridescent . 2 
Tibia I plainly fringed. Abdomen gray or slightly metal¬ 
lic; or tibia I not fringed, abdomen dark with white 
spots. 6 
Abdomen with a white band around front end 
Abdomen lacking white band. 
3 i 
t 
r 
5 \ 
I 
l 
f 
6 \ 
t 
No white on abdomen except the basal band. Legs with 
longitudinal stripes . elegans 
One or two pairs of oblique or curved white bands on sides 
behind middle. Legs without stripes . vitis 
Eye-region with bright green scales. Legs without stripes 
. exornatus 
Eye-region not so brilliant. Legs striped. 5 
White longitudinal stripes, two above and one below, with 
dorsal and anterior black stripes, on first leg, extend¬ 
ing on to femur. Epigynum deeply notched .... formicarius 
Only one dorsal black line on first leg, not visible on femur 
Epigynum scarcely notched . similis 
Abdomen not metallic, with four longitudinal lines of 
white dots. Tibia I not fringed . versicolor 
Abdomen sometimes metallic, marked with a white border 
broken into bars. Tibia I with fringe . Hartii 
* As Hartii is SQmetimes metallic and sometimes not metallic, it is taken 
out under both headings. 
