EAGLE, plundering instinct of white-headed, [284];
teaching young to fly, [290];
variations in nest-building, [299];
submitting to surgical operations, [313], [314]
FABRE, on instincts of sphex-wasp, [180], [181]
GAD-FLY, instinct of, [230]
HAGEN, on termites, [202]
IBEX, does assisting wounded buck to escape, [334]
JACKAL, [426];
collective instinct in hunting, [432]-[35]
KANGAROO, throwing young from pouch when pursued, [326], [327]
LABRUS, [247]
MACLACHLAN, on caddis-worms, [244]
NADAULT, Madame, the association of ideas shown by her parrot, [269]