Using the Golgi method we have studied the development, morphology and topographic distribution of chandelier cells in the auditory cortex of the cat. Kittens from 9 to 42 days old were used. Chandelier cells can be recognized in 9-day-old kittens as a distinct neuronal variety. In the 15- and 23-day-old kittens chandelier cells develop axonal complexes elongated vertically. In the 42-day-old kitten, they seem to have attained their adult morphology. They are not distributed uniformly and their predominance in certain areas suggest that they may have a relation with callosal projecting pyramidal cells.