32 PROCEEDINGS OF THE NATIONAL. MUSEUM vol. 68 



NASUTITERMES (NASUTITERMES) EPHRATAE Holmgren 



Cachuela Esperanza (Beni River), Bolivia, March, 1922 (queens, 

 soldiers, and workers) ; Cachuela Esperanza, Beni, Bolivia, March, 

 1922 (soldiers and workers) ; Huachi, Beni, Bolivia, September, 

 October," 1921 (queens, soldiers, and workers) ; Huachi, Bolivia (No. 

 11 — five queens and three kings, soldiers and workers) ; Huachi, Beni, 

 Bolivia, September, 1921 (soldiers and workers) ; Ixiamas, Bolivia, 

 November, December, 1921 (queens, soldiers, workers) ; Ixiamas, 

 Bolivia, December, 1921 (queen, soldiers, and workers with Corni- 

 temws (C.) similis Hagen soldiers and workers) ; Ixiamas, Bolivia, 

 December, 1921 (winged adults, soldiers, and workers) ; Ixiamas, 

 Bolivia, December, 1921 (soldiers and workers) ; Peiia Colorado, 

 Upper Beni, Bolivia, September, 1921 (soldiers and workers — N. E. 

 Pearson, Col.) ; Rio Ivon, Bolivia, February, 1922 (soldiers and 

 workers) ; Rio Negro, Bolivia, January, 1922 (soldiers and workers) ; 

 Rosario (Lake Rogagua), Bolivia, November (queen, soldiers, and 

 workers) ; Rurrenabaque,^^ Beni, Bolivia, September, October, and 

 November, 1921 (queen and king, soldiers and workers; the largest 

 queen being 27.50 mm. in length and 6.50 mm. in width) ; Rurrena- 

 baque, Beni, Bolivia, September, October, and November, 1921 

 (queen, soldiers, and workers) ; Rurrenabaque, Bolivia, September, 

 October, and November, 1921 (soldiers and workers) ; Tumupasa, 

 Bolivia, December, 1921 (queen, soldiers, and workers) ; Tumupasa, 

 Bolivia (soldiers and workers). 



NASUTITERMES (NASUTITERMES) MACROCEPHALUS Silvestri 



Cachuela Esperanza (Beni River), Bolivia, March, 1922 (soldiers 

 and workers) ; Ivon, Bolivia, February, 1922 (soldiers and workers) ; 

 Rio Mautania, Brazil, March, 1922 (queen, soldiers, and workers). 



NASUTITERMES (NASUTITERMES) MAJOR Holmgren 



Riberalla, Bolivia, January, 1922 (soldiers and workers). 



NASUTITERMES (NASUTITERMES) MAXIMUS Holmgren 



Cavinas, Bolivia, February, 1922 (soldiers and workers). 



NASUTITERMES (NASUTITERMES) MINIMUS Holmgren 



Ivon, Bolivia, February, 1922 (queen, soldiers, and workers). 



NASUTITERMES (NASUTITERMES) ROTUNDATUS Holmgren 



Rio Colorado, Bolivia, September, 1921 (soldiers and workers). 



"A'. CN.) ephratae Holmgrpn was the species most frequently collected hy this expedi- 

 tion ; it apparently was most common at Rurrenabaque ; this species builds carton " nig- 

 gerhead " tree nests, as well as living in logs and stumps. 



