90 
Psyche 
[June-September 
Appressed pubescence longer, coarser and more golden, dull 
ochraceous or brownish, feebly or indistinctly conver- 
gent at the posterior borders of the gastric segments ; 
head of maxima as broad as long, with more convex 
or swollen cheeks, its sides more extensively smooth 
and shining and only sparsely and superficially punc- 
tate ; pronotal spines short and blunt even in the small 
workers subsp. rex Forel, 5 
2. Gaster and legs deep reddish var. holmgreni var. nov. 
Gaster and legs black 3 
3. Head of maxima extensively deep red on sides, with 
rounded lateral borders, the posterior border very 
deeply excised and the posterior corners narrowed in 
the major worker; border of petiole much compressed 
and very sharp; pubescence golden ochraceous, rather 
sparse on head and thorax var. otoquensis var. nov. 
Sides of head of maxima worker black or only slightly 
reddish, feebly shining, less deeply excised behind 4 
4. Appressed pubescence on body silvery, often with a 
slightly golden hue; border of petiole not produced 
upward in the middle sericeiventris (typical) 
Sides of head of maxima somewhat smoother and more 
shining; appressed pubescence on body more distinctly 
and more vividly golden ; border of petiole usually pro- 
duced in the middle as a small blunt tooth 
var. satrapa var. nov. 
5. Pubescence brilliantly and deeply golden, very dense 
on the thorax and posterior portion of the head, pres- 
ent even on the coxae and petiole.. . subsp. rex (typical) 
Pubescence less developed, except on the gaster 6 
6. Pubescence dull ochraceous, dense on the pronotum but 
poorly developed on the sides of the thorax; sides of 
head of maxima worker red 
var. cualatensis var. nov. 
Pubescence on gaster more deeply and more vividly 
golden, more as in the typical rex 7 
