xii ILLUSTRATIONS 



PACIlfG PAGB 



VITAMINES AND THE LACK OF THEM 176 



DRYING SALT COD AT GLOUCESTER 177 



MAINE HERRING WIRE 192 



MODEL OF SALMON TRAP 193 



FISH WHEEL ON COLUMBIA RIVER 193 



ADULT MALE CHINOOK SALMON 224 



AN ALASKAN SALMON CANNERY 224 



A TIGER SHARK 225 



A STING RAY 225 



SEA-LIONS 225 



TONGING OYSTERS 240 



DREDGING OYSTERS 241 



A LOBSTER-POT 272 



BAITING TROT-LINE FOR CRABS 272 



SOFT CRABS READY FOR MARKET 273 



CRAB FLOAT 273 



GREEN TURTLES ON AUSTRALIAN BEACH 288 



AN AUSTRALIAN TURTLe's NEST UNEARTHED . . . 289 



NORTH ATLANTIC RIGHT WHALE (mALe) .... 304 



A SPERM-WHALE 304 



whale's jaw SPLIT TO SHOW WHALEBONE .... 305 



DUGONGS CAPTURED IN AUSTRALIA 305 



PRIBILOF FUR-SEAL ROOKERY 320 



A GROUP OF FUR-SEAL COWS 321 



SHEEPSWOOL SPONGE FROM FLORIDA 321 



