THE LABORATORY RABBIT is a most uscful c~sperimc~ntnl animal, but ease of anesthesia is not among its virtues [I]. Relatively insensitivc> to minor pain and ma~~ipulation, it retains ;I most annoying degree of cutaneous scnsiI)ility with conventional intravenous and intrapc~ritoncal agents. When subjected to experi1nct ltnl l~urns under barbiturate anesthesia, the animal inay be l~ulsc~lcss and...