Nemertians, colours of.
Neolithic period.
Neomorpha, sexual difference of the beak in.
Nephila, size of male.
Nests, made by fishes; decoration of, by Humming-birds.
Neumeister, on a change of colour in pigeons after several moultings.
Neuration, difference of, in the two sexes of some butterflies and hymenoptera.
Neuroptera.
Neurothemis, dimorphism in.
New Zealand, expectation by the natives of, of their extinction; practice of tattooing in; aversion of natives of, to hairs on the face; pretty girls engrossed by the chiefs in.