SCRAPS.
(For the Mirror.)
M.F. Cuvier has found that all marshy countries are remarkable for the small number of births in autumn, or the period when the influence of the marshes is most dangerous. Consequently, the marshes do not diminish the population by adding to the number of deaths alone, but by attacking the fecundity.
In Guiana balls are made of caoutchouc, for children to play with; and so elastic are they, that they will rebound several times between the ceiling and floor of a room, when thrown with some force.
In turtles' eggs, the yolk soon becomes hard on boiling, whilst the white remains liquid: a fact in direct opposition to the changes in boiling the eggs of birds.