WvrtTie, Tr«*ve -Ituti*^ Salt 



riatrXZ. 



ri£.28. Sections of Shells (afc* Na.t. size ) 





sJfartn i 



1. 2. 3.4: S v 3 _ S. 10 it. t2 IS. 



Fit,. 30. Section an. Ismaill '■''?- Paver r.ear Bo 2. Via .B anda 



fair ccro s\i m e n 4 



sj*>> 



Ti£. 33. Vv r es t ci Saj 



Fit, 34. '■' ast 01 Saya 



