Nervuration, of Diptera, [447];

of Lepidoptera, [317] f.

Nervures, [318], [319];

development of, [329] f.;

swollen, [347], [348];

of Eumenes, [73]

Nests, of ants, [136] f., [155];

of Formica fusca and Solenopsis fugax, [137];

of Porphyraspis, [284];

of wasps, [79] f., [79], [81], [83], [87]