166 TRANS. OF THE ACAD. OF SCIENCE. 
This rages is all ine could be desired for the culture of the 
grape ; it contains an abundance of all the mineral substances 
which a into the: composition of the vine, as shown above 
by its analysis. While it is warm, light and dry, it contains 
pie quantities of magnesia and vegetable matter or humus, 
; it great capacity for absorbing and retaining a suffi- 
valuable lands in the State for the cultivation of the grape; 
especially i is this true of those located upon the southern high- 
lands, away from the hn and sudden changes of our large 
rivers and their broad valleys. 
1e Magnesian Limestone, by occupies a large portion 
‘Southern and is made up of magnesian lime- 
stones, sandstones, and yobs chert which are “usually over- 
laid with thin Lac of reddish-brown marly clays. The 
lime, 1 magnesia, ia, and alumina, derived from the decomposition 
S, es with the abundance of vegetable mat- 
derived from the fires which annually 
te tha the nave vines do ot pee and sappy 0B 
r aoc ee: "but they are 
ce finer clusters of 
_* See preceding analysis No.1. 
