—— punctatus, [154];

habits of colony, [156];

experiments on stinging habits, [162];

nesting habits of males, [166].

—— ventilabris, [166].

Plenolocus peckhamii, [95];

stalk invaded by bees and other wasps, [96].

Polistes carnifex, locality study noted by Belt, [60].

Pompilus biguttatus, unreasoning conduct, [298].

—— fuscipennis, [216];