Neolithic Age (in south Germany till C. 2000 B.C.).Neolithic man lived under the same climatic conditions as prevail to-day, but amidst forests of fir.
In this zone malarial fevers prevail in winter.
Their doctrines were mainly based upon a belief in the government of the universe by some form of physical necessity, and though different opinions might prevail as to the mode of operation of the various forms of physical necessity the occasional recognition of non-material contributory causes never amounted to a recognition of the independence of human volition or intelligence.
However, the eastern hankering after the eremitical life long survived, and it was only by dint of legislation, both ecclesiastical (council of Chalcedon) and civil (Justinian Code), that the Basilian cenobitic form of monasticism came to prevail throughout the Greek-speaking lands, though the eremitical forms have always maintained themselves.
A certain common agreement has been reached concerning the impossibility of regarding pleasure as the sole motive criterion and end of moral action, though different opinions still prevail as to the place occupied by pleasure in the summum bonum, and the possibility of a hedonistic calculus.
Ahwaz (Khuzistan), Fars and Kirman were easily subdued, but in Khorasan the Azd could not prevail over the Tamim, who were loyal to the caliph.
Nevertheless the Latin element began to prevail with the Lombards and other Italians who flocked into the island in the wake of the conquest, and the conquest of Sicily was decisive in the steady decline from this time of Mahommedan power in the western Mediterranean.
This last enormous privilege, which became one of the main and most efficient instruments of the subjection of Europe to clerical tyranny, extended to matters both civil and criminal; though, as Bingham shows, it did not (always and everywhere) prevail in cases of heinous crime (Origines Eccles.
If the inherent energy of the principle of population (supposed everywhere the same) is measured by the rate at which numbers increase under the most favourable circumstances, surely the force of less favourable circumstances, acting through prudential or altruistic motives,, is measured by the great difference between this maximum rate and those which are observed to prevail in most European countries.
The fact is that the constitution of average grape juice and the temperatures of fermentation which generally prevail are particularly well suited to the life action of wine yeast, and are inimical to the development of the other organisms. When these conditions fail, as is, for instance, the case when the must is lacking in acidity, or when the weather during the fermentation period is very hot and means are not at hand to cool the must, bacterial side fermentations may, and do, often take place.