CORRIGENDA. 



p. 17 1. 1 for T read .S. 



» 1. 13 from foot for 72" N. read 59° N. 

 p. 23 1. 3 from foot for thed read the. 

 p. 67 1. 1 from foot for arkremable read remarkable, 

 p. 128 I. 4 from foot for become read became, 

 p. 221 1. 8 from foot for arcoss read across. 



