CONTENTS. 



vents and introduces. — Frequent Migrations of Nations in Antient times, the confe- 

 quence of the great increafe of Men in the firft: ages of Civility. — Account of feme 

 of thefe Migrations — from Egypt — from Greece to Italy — from Rome — from Gaul 

 into Italy, Greece, and AGa Mmor — Of the Migration of the Cimbers and Teu- 

 tons into luly, — and of the Goths, Vandals, Sec. into the Roman Empire — All 

 thele Migrations occafioned by want of fubllftence at home. — Colonies fent out for 

 the lame realon. — The only exception to this, the cafe of the Helvetii as defcribed 

 by Julius Caefar : — Their conduct accounted for. — The multiplication of Men, a 

 grievance in the firll ages of Civility. — Cure for this grievance in Crete — praftifcd 

 alfo at Thebes. — Though more numerous in the firft ages of Civility than in the 

 Natural State, Men were not then Bigger and Stronger. — The cafe of Giants, fuch 

 as the Sons of Anak, a peculiarity of a few Families, who had lived longer in the 

 Natural State. — Men, in the firft ages of Civility, Stronger, Bigger, and Longer 

 Lived than thofe of latter times. — This accounts for the Superior Size of Men in the 

 Heroic age of Greece. — ^Of the true Heroic age of a Nation. — Vice and Difeafe the 

 ' NaturaTconfequcnces of Society as it grows old. — Thele render the progeny worfc 

 and lefs abundant. — The numbers of men depend upon Health, Morals, and Occu- 

 pation. — The bad effedls upon Health and Morals by Vice, Difeafe, and Unwhole- 

 I'ome Occupations. — Horace's opinion of the gradual decline of the Species in Civil 

 Society. — ImpolHble, by the nature of things, that Man can fubfift long in that 

 State. p. 242. 



CHAP. iir. 



In the pure Natural State the multiplication of the Species fmall. — In the Domcftic 

 State the multiplication great. — Vices and Difeafes, Wars and Conquefts, in the ad- 

 vanced Stages of Society, produce great deftru6lion of Men. — To be inquired, Whe- 

 ther, in fuch Stages, the Species multiplies or decreafes .'' — Already proved that 

 Man falls oft' in Size and Strength. — He muft, therefore, alfo be ftiorter lived, and 

 decreafe in numbers. — This to be proved by Fa(Sts. — \Ji^ From the State of Man be- 

 fore the coming of our Saviour. — ^dl^^ From the State of Man at his coming. — 

 And, 3^/)!, From his State lince that time. — Of the State of the Jewilh Nation in 

 Antient Times. — f heir increafe wonderlul both in Egypt and Canaan. — The num- 

 ber of Men in Canaan, when conquered by the Ifraelites, alfo very great. — Of the 

 number of People in Egypt. — In the reign of Amalis it contained 20,000 Cities ; 

 and after being conquered by the Perfians and Macedonians, it had no lefs than 

 25,000 Cities. — The Populoufnefs of Antient Egypt, one of the caufes of the ex >e- 

 ditions of Oiiris and Sefoftris, — whofe Armies amounted to Millions of Men, — Of 



the 



