[{39}] One of the largest families of Beetles, darkish in colour and shunning the light.—Translator’s Note.

[{40}] The Iulus is one of the family of Myriapods, which includes Centipedes, etc.—Translator’s Note.

[{41}] A species of Land-snail.—Translator’s Note.

[{42}] Jacques Bernouilli (1654-1705), professor of mathematics at the University of Basel from 1687 to the year of his death. He improved the differential calculus, solved the isoperimetrical problem and discovered the properties of the logarithmic spiral.—Translator’s Note.