Dr. Scoresby, a celebrated meteorologist and navigator, mentions some curious instances of the effects of refraction seen by him in the Arctic Ocean.

" The most learned meteorologists of the present day believe the moon to influence the weatherthe practical farmer is sure of itand we have known the result of the hay crop, in adjoining farms, to be strikingly different, when upon the one the supposed influence of the time of change was taken into account and acted upon, while in the other it was neglected.

Thusto give a single instanceno man can now be a first-rate botanist unless he be also no mean meteorologist, no mean geologist, andas Mr. Darwin has shown in his extraordinary discoveries about the fertilisation of plants by insectsno mean entomologist likewise.