PLATE 19 



109 and 110. IHiffinhachin illuslri.s (|)it.li). 

 Ill and 112. Diijfcnbdcliid illiix(ri>: (corto.x). 



113 anil lU. KH'cct of cliloral liyilrate-iodinp on the .starcli of Diijjiiihiichia 

 siyuine var. macuUila (pitlil, partial reaction. 



