EBRATii in Bome of the copies of Mr. James E. Napier's paper 

 on " Incrustations of Boilers using Sea-Water." 



Page 282, line 20 from top,/or 0-008, read 0-8. 



— 282, line 21 from top, /or 00014, read 0-14. 



— 284, line 17 from bottom, /or 129 tons coal, read 188 ton* coal. 



— 284, line 15 from bottom,/or £348, read £362. 



