comparatively rare• Among the mammals they are comparatively rare.• Deaths before the age of 65, so-calledpremature deaths, are comparatively rare.• In the home, by contrast, communications other than voice telephones, are unfamiliar and comparatively rare.• But, once again, these complications are comparatively rare, and, these days, fairly easy to treat.• With comparatively rare and usually eccentricexceptions, the rich have been opposed.• The extremes, on both parameters, are comparatively rare; most of us occupy a position part-way along each.• This is probably a comparatively rareoccurrence for small mammals, but it certainly does occur.• A comparatively rare plant, Acorus is propagated with difficulty but it is a very decorative plant when used in aquariums.