TRITON (Trilon. 



PI.18 



/&<•/ 



1 I riloii laiu colc 



■l Iril on rouo'cl 



.") I iiloti fi'l iciili- . 



4 l'i'il 011 I cl (■ (ic \ ipcfi 



( //-i/o/i /n/uw/itùu/i Mt'uÀo I 



I fri/o/l /V//l<'<V//t/ /.ilin I 



