Fig;. XV 11. 



,-' I^ia^ram of the illuj7unattd spojces 



cf reflected Ught fxroi:£edatq Jrcm the 2 J 

 crr?tiddlt 



JVfadrcu Ziqht licivse . 



Tig-.XVIII. 



,• ■ Ifiacjiram cftlie if-liinunated spates 



ofTefleciedli^ht^roceedin^Jrornr the thmi^ 

 critni^est rcnv of loanfs andmirrcrs in. the,- 

 JUacbrtsZ ight Houses. 



