Since dermatoglyphic traits are also set in early embryony it was considered logical to look for dermatoglyphic deviations which may have occurred as a result of the rubella infection.

The result was usually that such helpers got a liberal sprinkling of mud over their clothing.

Many of his stories are described by an Israeli critic as metarealistic. They begin realistically but evolve into a surreal, dreamlike tale redolent of Symbolism.

Very probably they had already made first nests further north, which had their contents destroyed, and they fled south and were more successful with second broods. The consequence of this southering of breeding birds would in all probability cause a southering of their autumn migration routes;