64 



J. E. V. Boas, 



5° l^^= 



if?' 





►^ 



M Sf H 



•-'. fTj rr 



M >-< O 



a)_ o^ ^ p^ 



N'^gll? so" -3: 3 



S =?■ S- 



& ^+ S 1-5 



rt> =:: — • 



Cf5' ® N ^ 



CD O- fo: 5; 



^ N i' ë "" 



g CD O) (^ 



CD ^ ^ ri- 



W 



p i^- -- 



^ ^ fe 



w 



» C rt> 3 2. •=-' 5=^ 





cr5' 



