An elaborate classification was also officially adopted by the Royal College of Physicians of England[142] about the same time. This recognized seven varieties of mania, seven of melancholia and six of dementia. The subject of classifications would not be complete without a reference to Kraepelin. His eighth edition (1910-1915) showed the following:—
1. Psychoses accompanying Injuries to the Brain:
Concussion
Traumatic delirium
Traumatic epilepsy
Traumatic enfeeblement
2. Psychoses accompanying Diseases of the Brain:
Meningitis
Brain tumors
Abscesses
Hemorrhages
Thrombosis
Embolism
Encephalitis
Multiple sclerosis
Lobar sclerosis
Huntington's chorea
Amaurotic idiocy
3. The Intoxication Psychoses:
Acute:
Endogenous—Uraemia, Eclampsia, Acute yellow atrophy of the liver.
Exogenous—Ether, Santonin, Hashish, Nitrous Oxide Gas, Atropin, Hyoscin, Carbonic Oxide Gas, etc.
Chronic: