stone being found to be of a large size and uncrushable, it was decided to remove it by suprapubic operation. On opening into the bladder the stone was found to be partly encysted in the urethra, and a very considerable portion of it was covered by the prostate. On removal it was found to weigh one ounce six drams and tweny-five grains. The boy made an uneventful recovery and was discharged cur...