76 Psyche [Sept.-Dee. 
III. subsp. boxi. Length 4 mm.; mandibles not darker 
than the head, color brownish yellow; sculpture 
stronger than in the other forms. British Guiana. 
IV. subsp. trigona. Length 4-4.8 mm.; mesonotal disc 
angular as in the type; epinotum ovoid and convex. 
Color uniformly red. British Guiana. 
Group arboris-sanctce 
A. schuppi and var. Antennae beaded; frontal carinae in- 
distinct; close to belti in the shape of the head; length 
4.5-5 mm. (the variety geranensis has the first node exca- 
vated above and is therefore transitional to Ornatinoda, 
where we have listed it) . 
B. oki. Length 3.5 mm.; like a small belti fulvescens; the 
clypeus without lobe; pronotum marginate; node as in belti 
but without a peduncle. 
C. latinoda. PL III, fig. 19. 
I. latinoda type. Length 4 mm.; rufo testaceous; 
petiole very short. Brazil. 
II. var. endophyta. Length 4. 1-5.3 mm.; more robust 
than the type; color reddish yellow. Brazil. 
III. var. nigrescens. Length 4.4-4. 8 mm.; petiole and 
thorax black, rest of the body reddish yellow; darker 
than the type. Brazil. 
IV. var. opacior. Length 4.3 mm.; pronotum gently slop- 
ing, not abrupt as in nigrescens; color uniformly 
brownish yellow. Cuba. 
V. subsp. tachigalice . Head longer than in the type, 
with parallel sides, clypeus with a rectangular lobe. 
Brazil. 
VI. var. coronata. Length 5.5-6 mm.; head testaceous 
with a brown spot on the occiput; rest of the body 
dark brown. British Guiana. 
D. dendroica. Close to arboris-sanctce. 
I. dendroica type. Length 6.5 mm.; robust; pronotum 
marginate; color deep brown. Brazil. 
II. var. emarginata. Head broader than in the type. 
Brazil. 
E. arboris-sanctae. PI. Ill, fig. 20. 
I. arboris-sanctce type. Length 5.6 mm.; testaceous, 
head darker; first node very transverse. Bolivia. 
