Peckham—Revision of the Attidce of North America. 383 
Clarus 3 2 
Coccineus 3 2 
Coloradensis 3 2 
Comatus 2 
Farneus 2 
Femoratns 3 2 
Formosus 3 2 
Howardii 3 
Insignarius 3 2 
Insolens 3 2 
Jolmsonii 3 2 
Princeps 2 
Pruinosus 2 
Pulcherrimus 2 
Purpuratus 3 2 
Putnamii 3 
Hauterbergii 2 
Texanus 2 
Tyrrellii 3 2 
Variegatus 3 2 
Whitmanii 3 2 
Workmanii 2 
Key to Phidippus Males. 
f Abdomen red or marked with red . 2 
^ 1 Abdomen black, marked with white or covered, above, 
? with silvery hairs . 16 
l Abdomen brown, gray, yellow or spotted . 19 
f Cephalothorax red above (cardinalis, Whitmanii, ardens, 
McCookii) . 3 
** Cephalothorax black with inconspicuous black, brown or 
2 i gray hairs (clarus, coloradensis, insolens, californicus, 
Johnsonii, ardens, formosus, brunneus) ... 6 
Cephalothorax black and white (Tyrrellii, insignarius) .. 14 
Cephalothorax red and white (coccineus, femoratus) . 15 
o ( Abdomen red, without black bands . 4 
( Abdomen red with two black bands. McCookii (in part) 
f Cephalothorax all red above; abdomen without white 
spots; fringe on first leg brown or black and white; 
no white band on palpus . 5 
4 Cephalothorax with bare black region over front eyes; 
abdomen sometimes having a pair of white spots at 
end; fringe on first leg all white; palpus with white 
band above. A northern species . Whitmanii 
f First leg fringed with black and white; abdomen without 
5 J basal band. A southern and western species_ cardinalis 
] First leg fringed with brown; abdomen with indistinct 
l light basal band ... McCookii (in part) 
r, ( Abdomen red, or red banded with black . 7 
( Abdomen black spotted with red . insolens (in part) 
j f Abdomen banded with black . 8 
* \ Abdomen uniform red ... 11 
Abdomen with one black band; outer corner of maxilla 
with hooked apophysis . 10 
Abdomen with two black bands . 9 
