fford a pleasing object, and require but little preparation. If bent or curled up, they will become so relaxed by being kept a few hours in a moist atmosphere, that you may easily extend them to their natural po- sitions; or the steam of warm water will answer the purpose very well.

The eyes of insects in general form very curious and beautiful objects. Those of the libellula and other flies, as well as of the lobster, &c., must first be cleaned from the blood, &c., after which they should be soaked in water for some days: one or two skins are then to be separated from the eye, which would be otherwise too opaque and confused; but some care is requisite in this operation; for if the skin be rendered too thin, it is