THE LOOKOUT DEPARTMENT 252 The Nose 253 The Tongue 257 The Eye 259 The Ear 266 Our Spirit-Levels 269 XXIV.

THE SPEECH ORGANS 271 XXV.

THE TEETH, THE IVORY KEEPERS OF THE GATE 277 XXVI.

INFECTIONS, AND HOW TO AVOID THEM 286 XXVII.

ACCIDENTS AND EMERGENCIES 314 QUESTIONS AND EXERCISES 331 GLOSSARY AND INDEX 343 ILLUSTRATIONS PAGE TO ATTEMPT TO RUN AN AUTOMOBILE WITHOUT KNOWING HOW WOULD BE REGARDED AS FOOLHARDY 2 WHERE SUN-POWER IS MADE INTO FOOD FOR US 6 THE FOOD ROUTE IN THE DIGESTIVE SYSTEM 8 THE SALIVARY GLANDS 10 A SECTION OF THE LINING SURFACE OF THE STOMACH 14 A LONGITUDINAL SECTION OF STOMACH, OR PEPTIC, GLANDS 15 A CHEAP HOME-MADE ICE BOX 23 A BABY-MILK STATION 30 CLEAN, DRY SUNNING YARDS AT A MODEL DAIRY 33 CLEANLINESS BEFORE MILKING 34 THE MILKING HOUR AT A MODEL DAIRY 35 MILKING BY VACUUM PROCESS 36 WASHING THE BOTTLES AT A MODEL DAIRY 37 BACTERIA IN CLEAN AND IN DIRTY MILK 38 DANGER FROM DIPPED MILK 38 MILK INSPECTION AT THE RETAIL STORE 39 A THOROUGH BAKING, AND A VALUABLE CRUST 44 AN IDEAL BAKERY WITH LIGHT, AIR, AND CLEANLINESS 45 A BASEMENT BAKERY--A MENACE TO THE PUBLIC HEALTH 46 CANDY, LIKE OTHER FOODS, SHOULD BE CLEAN 50 A SMALL STORE, CLEANLY AND HONEST 54 THE JOY OF HIS OWN GARDEN PATCH 61 THE KITCHEN SHOULD BE CARED FOR AS ONE OF THE MOST IMPORTANT ROOMS IN THE HOUSE 63 A KNOWLEDGE OF COOKING IS A VALUABLE PART OF A GOOD EDUCATION 66 BOYS, AS WELL AS GIRLS, SHOULD KNOW HOW TO COOK 67 THE CHAINED CUP 71 THE SPOUTING FOUNTAIN 72 NATURE'S FILTER-BED 74 AN EXAMPLE OF GOOD FARM DRAINAGE 76 THE DANGER SPOT ON THE FARM 78 TYPHOID EPIDEMIC IN THE MOHAWK-HUDSON VALLEY 80 ARTESIAN WELL BORINGS 82 A CITY WATER SUPPLY BROUGHT FROM THE FAR HILLS 84 A RESERVOIR AND COSTLY DAM 86 SCRAPING THE SEDIMENT FROM THE BOTTOM OF A RESERVOIR 87 THE DOMESTIC FILTER IN USE 88 A MILK STATION IN A CITY PARK 92 PROPORTION OF ALCOHOL IN LIGHT WINE, IN BEER, IN WHISKEY 95 A BOARD OF HEALTH EXAMINATION FOR WORKING PAPERS 105 A TEST OF CLEAR HEAD AND STEADY NERVES 106 BLOOD CORPUSCLES 109 SURFACE VEINS AND DEEP-LYING ARTERIES OF INNER SIDE OF RIGHT ARM AND HAND 112 DIAGRAM OF ARTERY, CAPILLARIES, AND VEIN 114 THE EXTERIOR OF THE HEART 116 DIAGRAM OF VALVES IN THE VEINS AND HEART 117 THE BLOOD-ROUTE TROUGHT THE HEART 118 THE SCHOOL PHYSICIAN EXAMINING HEART AND LUNGS 121 ROWING IS A SPLENDID EXERCISE FOR HEART AND LUNGS 127 THE GREAT ESSENTIAL TO LIFE--AIR 131 DIAGRAM OF THE AIR TUBES AND LUNGS 134 "IMPROVING THEIR WIND" 137 THE "DARK ROOM" DANGER OF THE TENEMENTS 145 VENTILATING THE PUPILS, AS WELL AS THE CLASSROOM 146 A WELL-AIRED CLASSROOM 147 A HEALTHFUL ARRANGEMENT OF WINDOWS AND SHADES 148 A HEALTHFUL BEDROOM 151 DISEASE GERMS 152 A VACUUM CLEANER 153 EXERCISE IN THE COLD IS A GOOD PREVENTIVE OF COLDS 155 A YEAR OF CONSUMPTION ON MANHATTAN ISLAND 156 CONSUMPTION IN CHICAGO 157 A REPORT-FORM FROM A HEALTH DEPARTMENT LABORATORY 159 A SIGN THAT OUGHT NOT TO BE NECESSARY 160 A COMPARATIVE DEATH-RATE FROM CONTAGIOUS DISEASES 161 A TUBERCULOSIS TENT COLONY IN WINTER 163 AN OUTDOOR CLASSROOM FOR TUBERCULOUS CHILDREN 165 THE LAYERS OF THE SKIN 169 THE GLANDS IN THE SKIN 171 RESULTS OF TIGHT CLOTHING 181 A COMFORTABLE DRESS FOR OUTDOOR STUDY IN COLD WEATHER 183 AS A TONIC, SWIMMING IS THE BEST FORM OF BATHING 185 THE URINARY SYSTEM 200 THE MUSCLE-SHEET 205 USE OF MUSCLES IN BOWLING 206 USE OF MUSCLES IN FOOTBALL 207 PATELLA AND MUSCLE 207 THE HUMAN SKELETON 211 THE SPINAL COLUMN 212 A BALL-AND-SOCKET JOINT 213 A HINGE JOINT 213 LENGTHWISE SECTION OF BONE 214 CROSS SECTION OF BONE 214 THE NERVOUS SYSTEM 218 THE POSITION OF THE BODY IS AN INDEX TO ITS HEALTH 229 IMPRINT OF (1) ARCHED FOOT AND (2) FLAT FOOT 230 THE RESULT OF WEARING A FASHIONABLE SHOE 231 CALLUS FORMED AROUND A FRACTURE 234 A TRAINED BODY 242 TUG OF WAR 245 THE GIANT STRIDE 246 SCHOOL GARDENING 248 A WASTED CHANCE FOR PUBLIC HEALTH 249 AN OBSTACLE RACE 250 THE HIGH JUMP 251 ADENOIDS 256 MOUTH-BREATHERS 257 THE APPARATUS OF VISION 260 A SCHOOL EYE-TEST 263 DISINFECTING A BABY'S EYES AT BIRTH 265 THE APPARATUS OF HEARING 267 THE VOCAL CORDS 272 TEETH--A QUESTION OF CARE 278 A TOOTH 279 THE REPLACING OF THE MILK TEETH 282 A TOOTH-BRUSH DRILL 284 THE WINNING FIGHT 290 DEATH-RATE FROM MEASLES 291 DEATH-RATE FROM DIPHTHERIA AND CROUP 294 BILL OF HEALTH 298 GERMS OF MALARIA 301 CULEX 302 ANOPHELES 302 OILING A BREEDING GROUND OF MOSQUITOES 304 AN EDUCATIONAL FLY POSTER 310 A BREEDING PLACE OF FLIES AND FILTH 311 A TOURNIQUET 321 POISON IVY 325 THE NEW METHOD OF ARTIFICIAL BREATHING 328 PLATES IN COLOR DIAGRAM OF THE CIRCULATORY SYSTEM _facing_ 110 DIAGRAM SHOWING GENERAL PLAN AND POSITION OF BODY-MACHINERY _facing_ 198 A HANDBOOK OF HEALTH.