carrier-pigeon, i. 211;
effects of interbreeding on pigeons, ii. [126];
properties of pigeons, ii. [197]-[198];
death of short-faced tumblers in the egg, ii. [226];
Archangel pigeon, ii. [240].
Echinodermata, metagenesis in, ii. [367].
Ectopistes, specific difference in number of tail-feathers in, i. 159.
Ectopistes migratorius, sterile hybrids of, with Turtur vulgaris, i. 193.
Edentata, correlation of dermal system and teeth in the, ii. [328].
Edgeworth, Mr., use of grass-seeds as food in the Punjab, i. 309.