MODIFICATION OF FORM.

The acquisition of new materials, the development of new uses, the employment of new processes of manufacture, and many other agencies lead to the multiplication of forms through modification. The processes by which highly differentiated forms are reached are interesting throughout and repay the closest study.

A preliminary classification of the various causes that lead to modification is given in the following synopsis:

Modification of form—

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By adventition—

By intention——

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Incapacity of material——————
Incapacity of the artisan.
Changes in method of manufacture.
Changes in environment.
Changes of use.
Lack of use.
Influence of new or exotic forms, etc.
To enhance usefulness.
To please fancy.————————

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To assume form.
To retain form.

For the beautiful.
For the grotesque.