1. Read at the General Meeting of the Medico-Psychological Association held at Sheffield, February, 1898.
2. In connection with this progressive paralysis of the respiratory muscles, it is interesting to note that broncho-pneumonia has been observed in two cases reported. In one observed by Hammarsten the broncho-pneumonia appeared eight days after the urine change was noticed, and was the cause of death. The other was a case of acute sulphonal poisoning (Brit. Med. Journ., Supplement, September, 1897), where broncho-pneumonia supervened before death.