C.E.D.
- Daire Dornmhar, [24]
- Dalyell, [16], [21]
- Dangerous lunatics (Ireland), [423], [436], [534]
- [Darenth Asylum], [241]
- —— Idiot Schools, [307], [319]
- Dark room, [29], [44]
- Darwin on idiots, [318]
- Davies, Dr. Pritchard, [486]
- Defoe, Daniel, [96]
- Dekker, [65]
- Delarive, Dr., [117], [137]
- Demoniacal possession, [1], [5], [9], [18], [27], [43]
- Demonology, [34]
- Denbigh Asylum, [253], [254]
- Denton, Robert, [55]
- Depeditch, [48], [49]
- Depletion in insanity, [136], [137], [484]
- Derby, Earl of, [269]
- "Description of the Retreat," [115], [123], [129], [400], [515]
- Desportes, [459]
- "Devil sickness," [2]
- Devon, Earl of, [306]
- Dickens on the Court of Chancery, [285]
- Dickson Thompson, Dr., [471]
- Diet in insanity, [136]
- Difficulties met with in carrying out improvements, [385]
- Dillwyn, Mr., [196], [200], [499]
- —— Committee, [196], [296], [450]
- Dioscorides, [2], [30]
- "Dissolution," [471]
- District asylums (Scotland), [358]
- Divination, [26]
- Dix, Miss, [338], [353], [445]
- "Dog and Duck," [84]
- Dorridge Grove Asylum, [306]
- Dorset Asylum, [214], [250]
- Down, Dr., [307]
- Downpatrick Asylum, [423]
- Drummond, Mr. H., [191], [332], [339], [351], [356]
- ——, Alex., trial of, [21]
- Dublin Asylum. See [Richmond]
- Ducking stools, [34]
- Dumfries Asylum, [335], [368]
- Dunbar, Sir William, [356]
- Duncan, Dr., [122], [322]
- Dundas, Mr. W., [324]
- Dundee Asylum, [333]
- Dundrum Asylum, [180], [268], [431], [435]
- Dunlop, Mr., [356]
- Dunne, Col., [417]
- Dunstan, Mr., [89]
- Durham Asylum, [250]
- Dwellings, insane in private, [262]