This second volume of papers dealing with scientific and ethical aspects of animal welfare covers a variety of topics and areas of inves tigation. It will be of particular interest to those readers seeking more insight into such subjects as farm animal welfare and humane husbandry systems; animal experimentation, especially in the field of psychology; and pain in animals, notably its recognition and alleviation. Several of our selections deal with very specific subjects that are germane to animal welfare: the use of T-61 for euthanizing cats and dogs, a new humane method of stunning for...