This accident affected some ships remarkably more than others, particularly the Barfleur and Bedford, though their wounds had nothing peculiar, nor were in a greater proportion than in the rest of the fleet. Four were carried off by it in each of these ships. It has formerly been observed, that great ships acquire peculiar habits, or dispositions, which incline the constitutions of the men to one disease more than another. This complaint took a run in some particular ships last year also after the battle of the Chesapeak; and I have known it prevail in some particular hospitals more than others. In the present instance, it may have been owing either to something peculiar in the constitution, or air of the ships; or we can conceive it to be owing to some sort of nervous sympathy, just as the _epilepsy_[125] has been known to spread from one boy to another, at a school, in consequence of imitation, dread, horror, or some such delicate nervous or mental affection. We have in yawning an example of a spasmodic affection spreading from one person to another. If this is the case in the locked jaw, those affected by it should be removed from the presence of the other wounded men, lest the idea of the sufferings of others should be so fixed in their mind, or so impress them with the fear of the like, as to invite the attack of the same complaint. Though the locked jaw, in consequence of wounds, resembles frequently in its symptoms the tetanus which arises without any external accident, yet there are many cases of the former which differ materially from the violent symptoms of the other, as described by authors. In most cases of the locked jaw from wounds the spasms are not so general, so violent, nor attended with such exquisite pain. It sometimes happens that the convulsive twitchings are even accompanied with a sort of pleasure, as in the case of a lieutenant of the Montagu, whose case was related to me by Mr. Young, the surgeon of that ship, a man of skill and observation in his profession, and upon whose fidelity and accuracy I could perfectly rely. This officer had been wounded in the elbow at the battle of St. Christopher’s by a splinter, whereby the capsular ligament of the joint was injured. On the ninth day, symptoms of the locked jaw came on, and soon after the whole muscles of the wounded side were affected with frequent convulsive twitchings, which, as he himself said, afforded a pleasant sensation, exciting laughing like an agreeable titillation. He died on the fourth day after it came on, and had no pain to the last. The locked jaw from accident differs also from other cases of tetanus, in respect to its cure; for the latter has been successfully treated by cold bathing, as is related by Dr Wright[126] and Dr. Cochrane[127]; but it is acknowledged by the latter that this treatment did not answer when the complaint proceeded from a wound.