he wrote several pamphlets on cutaneous subjects, and especially an essay on Squamous Disorders. In conjunction with the late Professor Lizars, he prepared and collected a number of life-size drawings of Skin-Diseases. After two years, his health failed, and he was recommended to winter in Italy. He passed two years at Florence, and ultimately settled in London in i828. He was among the earliest introducers of the operation for strabismus. He pointed out the advantages of a small conjunctival

more »

... und, of regulating the amount of muscle divided, and of operating on both eyes in cases of alternate squint. In i847, he published a work on Deformlities of the Spine, pointing out especially the utility of graduated muscular exercise in the correction of lateral deformities. In 1850, he operated successfully, and by a new method, on a case of ovarian tumour. In a paper published in the 34th vol. of the Afedico-Chirur-gical Transactions, he insisted upon the great value of the following modifications in the operative procedure then in vogue :-I, making a relatively small incision in the median line of the abdomen; 2, tying the pedicle of the tumour into the mouth of the wound, so as to keep all the cut surfaces extraperitoneal, avoid enclosing ligatures and acquiring greater control over subsequent hemorrhage; 3, narcotising the patient with opium, and keeping her well under its influence for many days after the operation; 4, keeping a relatively hot moist atmosphere about the patient. In I855, Dr. Duffin was elected a Fellow of the London College of Surgeons. He continued in active practice till about i868, when the infirmities of advancing age compelled him to retire. He was a Fellow of several learned societies. He died at the residence of his son, after a short illness, of pneumonia, consequent upon renal disease, in the 75th year of his age.