—— 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];