A Northwest Washington man who was shot Sunday night in a car on New Hampshire Avenue NW died yesterday afternoon at Washington Hospital Center.

He was the 483rd homicide victim in the District in 1990 and the sixth in the city since Friday. There were 439 homicides in the District in 1989.

Police said that Darryl T. Morgan, 19, of the 1300 block of Columbia Road NW, was found about 9:35 p.m. Sunday in a car in the 5000 block of New Hampshire Avenue. He had been shot several times, they said.

He was taken to Washington Hospital Center, where he died yesterday at 1 p.m. Police said they have no motives or suspects in the case. The death was the latest in a city that has seen its homicide toll become national news.

On Friday, a woman from far Northeast was arrested and charged with second-degree murder in connection with the suffocation death of her baby son. Police said that Friday morning, officers were summoned to the home of Darlene Jennings, 18, in the 100 block of 58th Place NE. There they found her 7-month-old son, Andre J. Jennings, unconscious. The child was taken to D.C. General Hospital, where he was pronounced dead.

Yesterday, police identified a man who was shot and killed early Sunday morning as Michael A. Charles, 21, of the 200 block of N Street SW.

Charles was found about 3 a.m. Sunday in the 2800 block of Alabama Avenue SE in a store's parking lot. He was pronounced dead by the D.C. Medical Examiner's Office. Police said they have no suspects.

In addition, police declined to identify a man who was shot to death at 51st and H streets NW about 12:20 a.m. Saturday. Officers withheld the information until relatives could be notified.

No arrests have been made in the slaying of Song Sun Sop, who was shot Friday night in front of his store at First and U streets NW, in the Bloomingdale section.

Police also said they are seeking two male suspects in the slaying early Saturday of 15-year-old Edwin Merino, who was shot while sitting in a car at First and M streets SE in front of the Tracks nightclub. Two men were arrested Saturday and charged with first-degree murder in connection with Merino's death.