For: surfaces , paler coloured 



read: surfaces , paler 



For: surfaces , upper (the upper, the upper one, upper one) dark- 

 coloured, lower (the lower, the under one, under one) paler coloured 

 (pale-coloured, paler in colour) — 



read: surfaces ; upper surface dark {eventually dark-green), lower 



paler (pale or evmtually pale-green). 



P. XXII, 1. 3 & 6 (et passim). — Strike out the comma after many and few 

 and wherever it is erroneously placed after a numeral, when this {the 

 numeral) precedes the object defined. 



