Melancholic depression
Melancholic depression is a subtype of clinical depression. It is biologically based and rather severe. It is mainly associated under unipolar depression, though sometimes under bipolar disorder. This condition is often triggered by stress issues.
Melancholic Depression Media
Physiognomy of the melancholic temperament (drawing by Thomas Holloway made for Johann Kaspar Lavater's Essays on Physiognomy, c. 1789)
Frontispiece for the 1628 3rd edition of The Anatomy of Melancholy
The young John Donne, the very picture of fashionable melancholy in the Jacobean era