Ai!T. 14 TEEMITES FKOM AMAZON BASIN SNYDER 11 



ments wetlge-sliaped ; segments become beadlike towards apex; last 

 segment elongate, semielliptical. 



Pronotiim light A'ollow-brown, margins darker, anterior margin 

 raised, slightly emarginate, sides slope to anterior margin, which is 

 concave, with long hairs. 



Legs light yellow-brown, claws castaneoiis : slender, pubescent. 



Abdomen light yellow-brown, with long, bro"^vn (reddish) hairs. 



Measurements {major soldier). — 



Length of entire soldier, 7.O-7.50 mm. 



Length of head with mandibles, 4.0 mm. 



Length of head without mandibles (to anterior), 2.50 mm. 



Length of labrum, 0.70 mm. 



Length of left mandible, 1.60 mm. 



Length of pronotum. 0.80 mm. 



Length of hind tibia, 2.10-2.15 mm. 



Width of head, 2.35-2.45 mm. 



Width of labrum, 0.70 mm. 



Width of pronotum, 1.50 mm. 



Soldier.^ minor (pi. 1, fig. 2). — Head light yellow-brown 

 (lighter than in major soldier), lighter on sides and at posterior 

 margin than on vertex, longer than broad, broadest anteriorly (at 

 base of antennal socket where there is a tubercle), sides slope to 

 posterior margin which is rounded, sides slightly concave, head with 

 numerous long hairs. Post clypeus and labrum prolonged into a 

 light castaneous-brown, chitinized rod, forked at the tip (" gdbel 

 nasutus ''''), this is narrow at the base and broadens to apex, with a 

 median longitudinal groove, apex emai'ginate, forks fringed with 

 dense short hairs and few^ long hairs. At base of this rod is the 

 fontanelle produced into a short truncate tube directed towards the 

 deep groove in the labrum. 



Mandibles light castaneous-brown, slender, elongate. 



Antenna yellow-brown, bead-like, 16 segments pubescent; third 

 segment subclavate, twice as long as fourth; second longer than 

 fourth ; segments become longer and broader to apex. 



Pronotum light yellow-brown, darker on margins; anterior mar- 

 gin elevated, sides slojoe to posterior margin, which is concave, with 

 long hairs. 



Legs light 3'^ellow, elongate, slender, pubescent. 



Abdomen light yellow, with dense, long brown (reddish) hairs. 



Measurements {minor soldier) . — 



Length of entire soldier, 5.5-5.55 mm. 



Length of head with labrum, 2.20-2.35 mm. 



Length of head without labrum (to anterior), 1.40-1.45 mm. 



Length of labrum, 0.05 mm. 



Length of left mandible, 0.375 mm. 



