Plate 3; 



//;/ /. I't'tn/Httlnur fi'rfcon . tiff. .l.IIY/it /'cti, <>,/,-. 



J-'fi. :'. 'I: i;l It- 7J<ir<>. //;/. /. .t'ru'/f Hi,;! . 



'HY/^. 



