If any rock be taken (even a piece of pure quartz) and crushed to a very fine powder, it will show some of the peculiarities of clays; for example, it will be plastic, retentive of moisture, impermeable to water, and will shrink to some extent if the moist mass be kneaded, and then allowed to dry.
Speaking generally, clay soils retentive of moisture produce heavy-cropping tobaccos which cure to a dark brown or red colour.
By my retentive memory of the hieroglyphics upon one Sperm Whale in particular, I was much struck with a plate representing the old Indian characters chiselled on the famous hieroglyphic palisades on the banks of the Upper Mississippi.
He made some distinction between hearsay and authentic information, but had no pretence to accuracy, his retentive memory being the chief authority.
They have a remarkable quickness of apprehension, a ready wit, a retentive memory, combined, however, with religious pride and hypocrisy, and a disregard for the truth.
The latter is not sufficiently retentive of moisture and gets too hot in summer and requires large quantities of organic manures to keep it in good condition.
Aberdeen was a distinguished scholar with a retentive memory and a wide knowledge of literature and art.
This will give you an idea of the retentive memory she possesses.
Here her character was shaped; here she imbibed that passionate love of country scenes and country life which neither absence, politics nor dissipation could uproot; here she learnt to understand the ways and thoughts of the peasants, and laid up that rich store of scenes and characters which a marvellously retentive memory enabled her to draw upon at will.
Trees, of which the young buds are nipped by frost, would frequently not suffer material injury, were it not that the small frost-cracks serve as points of entry for Fungi; and numerous cases are known where even high temperatures can be endured on rich, deep, retentive soils by plants which at once succumb to drought on shallow or non-retentive soils.