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1. 1. Starch-gel electrophoretic patterns of enzymes and other proteins from nematodes raised under differing environmental conditions showed insignificant variation. 2. 2. Patterns from some morphologically similar isolates of Aphelenchus avenue were sufficiently different to be characteristic of each isolate. 3. 3. Numerous differences were found in the patterns of the closely related species Ditylenchus destructor and D. myceliophagus. 4. 4. The technique is of great potential use for characterization of inter- and intraspecific variation in plant and soil nematodes.

Some people don't touch others a great deal; some so rarely that bodies are objects to them; a touch then is curious, experimental, unknowing and fearing a reaction, as if they might be stung, bitten-poisoned for their temerity. And as well as the fear of touching there is a fear of suffering touch; not of the touch itself but of the venom there may be in it, just as we do not fear the graceful body of a snake, but only its poison. This snake also means knowledge, and the inconsiderable touch of its little fang is something expected as well as feared, like the touch, after a hundred years, of the Prince on the breast of the sleeping girl in the sleeping palace; the hero's kiss on the lips of the girl on the rock enclosed by flame-these touches, however they may be graceful, reverent, fond, are invaders of a virgin fantasy; aggressions which are not love but a preliminary to it, as men who will be heroic friends meet first opposed in battle.