Science, limits of, [58];
definition of, [119];
when complete, [120];
test of the depth of, [122];
slow growth of, [123];
duplex progress of, [141];
ultimate analysis of exact, [160].
Sciences, early simultaneous advance of, [165];
not independent of each other, [186];
aid each other by analogies, [181];
mutual influence of modern, [178].
Solar System, movements of planets on their axes in, [267]-[271].
Strata now forming, lithological differences in, [347];
differences in the order of superposition of, [348];
differences in the organic remains of, [349].
Societies and individual organisms, points of agreement between, [391]-393;
differences of, examined, [393]-397.