456 
Wisconsin Academy of Sciences, Arts and Letters. 
Abdomen with four longitudinal white bands alternating 
7 j with three brown bands . glacialis 
( Abdomen without these bands . arizonensis 
( Tube of palpus simple* . 9 
8 j Tube of palpus bifid, or double, or with two or three 
( points . 14 
q C Tube plainly curved . militaris 
( Tube straight ... 10 
2 q ( Tube fine and pointed . 11 
( Tube thick and blunt . 12 
f Proximal parts of femora of posterior three pairs of legs 
light, distal parts dark; legs banded. Spines on tibia I 
i not evenly paired, not reaching to base of joint. 
Florida . floridanus 
| Legs uniform in color. Spines on tibia I evenly paired, 
l reaching to base of joint. Pacific Slope. Harfordii 
( Color gray. Pacific Slope . californicus 
l Color brown or yellow. Eastern and southern states_ 13 
f Abdomen with indefinite white spots and no golden hairs 
23 j .montanus 
] Abdomen with golden hairs and distinct, round, white 
l spots ... canadensis 
Tube of palpus tipped with three short black stylets 
14 ] neomexicanus 
( Tube of palpus with not more than two points . 15 
c End of tube slightly bifid... 16 
15 j Tube double, or deeply bifid, or somewhat crescent-shaped, 
l with two ends . 17 
( Color bronze-brown . seneolus 
15 l Color yellow. Harfordii 
!7 f Tube double or bifid . 18 
1 \ Tube concave or somewhat crescent-shaped, with two ends 19 
f Palpus with one broad black deeply bifurcated tube. Ari- 
j zona, New Mexico . furcatus 
18 j Palpus with two slender pointed tubes which approach. 
^ each other . flavipedes 
( Both ends pointed, one longer than the other. capitatus 
19 ] Ends nearly equally long, one pointed and the other 
( blunt ... castaneus 
*We have one example of Harfordii with the tube slightly bifid, and there¬ 
fore include it under both 9 and 14. 
