Tol . TM. 



FhHos. Trans. 



Tim: 



Fig. 6 



Fiff. 7. 



KnG 



n' 



9 P 



M'-'I 





o^ 



KnG 



t ± — Stt* 



P Q R 



J^.J. 



Jr,A 



/Y^.4. 



i^.J. 



Dlic 



rnA 



DUC 



JCMtorJc-lj^af 



Pttblwhed hr C t-R BaUlvtin.afJfew aridfjf ^^'ttrrt.t.imdtm.iloO. 



