CHAPTER VIII.. Observations on Nature in the Tropics--the Dung Beetle--the

Observations on Nature in the Tropics--The Dung Beetle--The Mason-fly--Spiders--Luminous Insects--Efforts of a Naturalist--Dogs Worried by Leeches--Tropical Diseases--Malaria--Causes of Infection--Disappearance of the "Mina"--Poisonous Water--Well-digging Elephants.