Art. 10— K. Matsuiu 



Fig. 3. 



1500 ÏOO0 2500 3CO0 3500 ■«00 «00 5003 



proves tliat tlieir constitutions are also identical in tlieir gruups. 

 The structui'al fnrnmla o\ |_^^H.'0(t3)^"-J •• ^^'^''' previously 

 (leterniined l>y Weiiier^'-* as beloAV, llie îavo water molecules of 

 wliicli are in the trans-position thus : 



ILO 



Cl:i 



(1) Bcv., 40. 28;-). J'.H? 



