of the Pigeon, the Dove, or other Birds, which touch nothing but Grain. Theſe ſeldom lay and hatch more than two Eggs at a Time. The beſt Reaſon, that can be given for this Difference, is that the Animals, who live entirely on Herbs and Plants, being obliged to ſpend the beſt Part of the Day in foraging for themſelves, and requiring a great deal of Time to take their Food, it would be impoſſible for them to ſuckle many young ones; whereas thoſe of Prey, making their Meal in a Moment or two, may oftener and more eaſily go and come between their Young and their Prey, and repair the Expence of ſo great a Quantity of Milk. I could make a great many other Obſervations and Reflections upon this Head, but this is not a Place for them; and it is ſufficient for my Purpoſe that I have in this Part pointed out the moſt general Syſtem of Nature, a Syſtem which affords a new Reaſon for removing Man from the Claſs of carnivorous into that of frugivorous Animals.
Pag. 38.
(9.) A celebrated Author, by calculating the Goods and the Evils of Human Life and com-
