Plate 50. 



Fi q . 2 . 



wo inch 



Fi q . 4 



100 irvch. 



Fiq. 8 



100 rruh 



100 T.yich. 



T.H. delATJiolUck hih 



West . Newman & C" imp. 



London. Joh-n Va,n Voorst, MDCCCLXXK.. 



