30/40 Then suddenly, with a motion rapid as that of the most agile bird, the long cylindrical and readily extensile tongue is darted forth with unerring aim, and the prey is seized and swallowed in a single moment of time. The ordinary color of the chameleon is a pale olive-green. This sometimes fades to a sort of ashen-gray, while sometimes it warms to a yellowish-brown, on which are seen faint spots of red. Modern naturalists, for the most part, attribute the changes to the action of the lungs, which is itself affected chiefly by the emotions of anger, desire, and fear. |