Niger, sands of the.
Night in the woods of America.
Niguator, mountain of.
Nile: crocodiles of the. periodical risings of the.
Niopo, or Indian snuff.
Nobility: of Spanish America. badge of. of complexion.
Noon, in the tropics.
Numbers, difficulty of acquiring a knowledge of.
Oak, magnitude and antiquity of the.
Observations: astronomical. meteorological.