protection of nest by male, [181];

male sometimes assists in storing nest, [182];

order in which eggs hatch, [180].

Vespa germanica, [13].

—— maculata, [13].

Wesenberg, on habits of Bembex rostrata, [139].

Wheeler, W. M., on capture of ants by Aphilanthops frigidus, [176].

Williston, S. W., on habits of Ammophila yarrowii, [40].