Errata

page 31: 'severence'->'severance' page 71: 'catastrophies'->'catastrophes' page 132: 'POLARITES'->'POLARITIES' page 144: 'supplyers'->'suppliers' page 201: 'disasterous'->'disasterous' page 205: 'harmonous'->'harmonious' page 252: 'abnormalties'->'abnormalities'