37 NATIONALITY. Americans. Others. Class.___________ Total Class. .treated. White. Colored. White. Colored. Isthmian Canal Commission employees ------------------ 78 1, 127 422 628 Panama Railroad employees 26 0 25 125 176 Ex-employees.............. 2 0 5 14 21 Pay (private)... 10 0 13 17 40 Pay (municipal) 0 4 33 37 Zone..................... ..3 1 10 36 50 Total...............119 2 184 647 952 OPERATIONS. Major operations ... .. ...................... .............. 38 Abdominal sections. ....... ...................6 Appendectomy ............................ 1 Appendostomy ........................... 1 Hysterectomy................. ...1 Hysterectomy, ovariotomy, and salpingectomy ................................... 1 Pyosalpinx (drainage) ...... ............. . Exploratory....... ..................... 1 Perineal sections......................... 5 Urethrotomy............................ 4 Lithotomy .....*.........................1I Herniotom y .. . .*'- -*. . . .*. . 7 Vent~ral - -- - *-- -*- - --* 2 Ingui ..a.................. e...........5 Hemorrhoids (Whitehead operatioin)................ 2 Osteomyelitis (tibia)............................ 2 Enucleation, iriguinal glands.,..........8 Yaricocele..................................... 2 Various, 1 each................................. 6 Operations, eye, ear, nose, and throat..................... 5 * LABORATORY REPORT. Blood examinations: Negative..........................................40 Tertian ............................... ............ 154 Double tertian............................. ... **"*"23 Estivo-autumnal malaria............................ 87