In some small and exceptional regions the water is very alkaline, and in the counties of the south-east it is so generally saline that it is difficult, below 150 ft., to avoid an inflow of salt water.
One of the best indications of actual winter weather, as apart from the arrival of winter by the calendar, is the development of cyclonic disturbances of such strength that the change frcm their warm, sirocco-like southerly inflow hi front of their centre, to the cold wave of their rear produces lion-periodic temperature changes strong enough to overcome the weakened diurnal temperature changes of the cold season, a relation which practically never occurs in summer time.
Therefore the inflow waxes and wanes from season to season throughout the year, but it also varies in the same season in different years.
After the end of the war of 1895-1898 a large immigration from Spain began; the inflow from the United States was very small in comparison.
The dorsal skeletal elements of the thorax and of the anterior six abdominal segments unite with the wing-cases to form a large respiratory chamber, containing five pairs of tracheal gills, with lateral slits for the inflow and a posterior orifice for the outflow of water.
The warmed air of summer produces an area of low pressure in the west-central United States, which interrupts the belt of high pressure that planetary conditions alone would form around the earth about latitude 30; hence there is a tendency of the summer winds to blow inward from the northern Pacific over the Cordilleras toward the continental centre, and from the trades of the torrid Atlantic up the Mississippi Valley; conversely in winter time, the cold air over the lands produces a large area of high pressure from which the winds tend to flow outward; thus repelling the westerly winds of the northern Pacific and greatly intensifying the outflow southward to the Gulf of Mexico and eastward to the Atlantic. As a result of these seasonal alternations of temperature and pressure there is something of a monsoon tendency developed in the winds of the Mississippi Valley, southerly infiowing winds prevailing in summer and northerly outfiowing winds in winter; but the general tendency to inflow and outflow is greatly modified by the relief of the lands, to which we next turn.
The principal time of inflow of North Sea water is during spring and summer.
Meanwhile, till adequate means of transportation were provided, it was seen that city and prairie alike must wait for any large inflow of population.
Per annum), and sufficient, according to von Baer, to account for the perpetual inflow from the Caspian.
The heat transmitted was measured by observing the difference of temperature between the inflow and the outflow, and the weight of water which passed in a given time.