Xiv Illustrations 
Diffraction 
Scattering 
Perspective afiack 
Looming 
Coast mirage ; 
Optics of raindrop 
Rainbows 
Ice spicules 
Optics of ice spicule 
Sundogs 
Arcs of Lowitz . 
Halo 
Parhelic circle . 
Pillar of light 
Cross 
Reflection of iG. waves 
Sun illuminating higher objects as it au 
Cumulus 
Cirrus, tufted firth, 
Cirrostratus and altostratus 
Stratocumulus 
Cumulonimbus 
Cumulus and eomaiilas 
Cirrocumulus 
Thin altostratus and said: 
Thick stratocumulus 
Wind belts 
Cyclone 
Storm center 
Hurricane 
Waterspout 
