OF THE HOTHOUSES, ROYAL BOTANIC GARDEN. 103 
defy my attempts to capture unharmed specimens. I had 
indeed to spend a second day collecting with the greatest care 
before I had specimens fit for proper examination. To Colonel 
Bingham again we are indebted for the name, Plagiolepis exigua, 
Forel. Later on Mr. Stewart discovered this species in the 
Aroid-house, and in December 1905 he showed me their nesting 
haunts, inside the hollow metal rods from which the pitcher- 
plants are suspended. 
