ART. 14 TERMITES FROM AMAZON BASIN SNYDER 23 



Antenna yellow-brown, with 14 segments, pubescent; third seg- 

 ment subclavate, longer than second or fourth; fourth shorter than 

 second; segments become longer and broader towards apex; last 

 segment slender and pointed at tip. 



Pronotum yellow, darker on margins, saddle-shaped, emarginatc 

 anteriorly and posteriorly, with long hairs on margins. 



Legs yellowish, elongate, pubescent. 



Abdomen dirty gray with dense long pubescence. 



Measurements. — 



Length of entire soldier, 5.55-6.50 mm. 



Length of head with nasus, 2.20-2.25 mm. 



Length of head without nasus (to anterior), 1.30 mm. 



Length of nasus, 0.90 mm. 



Length of left mandible, 0.85 mm. 



Length of pronotum, 0.45 mm. 



Length of hind tibia, 1.40 mm. 



Width of head, 1.35-1.40 mm. 



Width of pronotum, 0.85 mm. 



The queen of hohngreni Snyder has a lighter colored, broader, 

 less hairy head than albidus. 



In the abdomen of one soldier there was a white globular mass 

 0.50 mm. in diameter just behind the outside base of the meta- 

 thoracic leg. 



A larger soldier than albidus with a broader head and stouter 

 nasus. 



Type locality. — Ivon, Bolivia. 



Described from an enlarged first form queen and a series of sol- 

 diers collected with workers at the type locality in February, 

 1922, by Dr. W. M. Mann. 



Type, queen {first form). — Cat. No. 27650, U.S.N.M. ; morpho- 

 tjrpe, soldier. 



ARMITERMES (ARMITERMES) MANNI, new species 



Soldier. — Head light yellow (straw color), nasus darker yellow- 

 brown, somewhat retort-shaped in lateral view, broadest near base, 

 weakly convex in profile, posterior margin of head somewhat oblique, 

 head with few long hairs on dorsal surface near central and poste- 

 rior portions. Nasus short, widens near middle then narrows, trun- 

 cate at apex and with short hairs. 



Labrum yellow-brown, with rounded off three-cornered apex, with 

 long hairs. 



Mandibles reddish-brown, slender, strongly bowed, with sharp 

 incurved points and with one short, forward pointing tooth near the 

 base. 



