Illustrations 
Star chart 
Moon's surface 
Earth interior 
Mars 
Saturn. 
Halley’s Gbiaet 
Sunspot. . 
Great Nebula of cefoaied: 
Milky Way 
Sperm whale . . 
_ Humpbacked whale 
Porpoise 
~ Sea lion rookery 
Alaska fur seal group 
Section of walrus group 
Thresher shark 
Hammerhead shark 
Ground shark 
Basking shark 
Shovel-nosed sturgeon 
Alligator gar 
Portuguese man-of-war 
Flying fish 
Australian sea horse 
Amberjack . 
Astronesthes niger 
Deep sea scallops 
Bed of mussels 
Accumulation of searishi: 
Starfish at 240 feet 
Sand dollars at 220 feet 
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