With the present adult public eager to go places in a hurry and the modern juvenile population actively engaged in individual and scholastic athletics during all months of the year, it is not surprising that the suburban hospital finds patients with kidney injuries among those who are admitted for treatment, and it is desirable that an interchange of experience be made concerning them. This paper is based on observations that have been made on twenty patients, of whom eighteen were males and two females. The youngest was 7 years of age, the oldest 49 and the average age 21. Five patients had been hit by motor cars, three (children) had fallen from trees and three were injured in football accidents, and bicycle and motorcycle collisions accounted for two of the injuries. Three had received their injuries while coasting on a sled or toboggan, and those of two others were due