SYSTEMATIC INDEX. 



Numerical 



Older of 



Plates. 



33 

 34 

 35 



36 



37 



38 



39 



40 



41 



42 



43 



44 



45 



46 



47 



48 



49 



50 



51 



52 



53 



54 



55 



56 



57 



58 



69 



60 



61 



62 



63 



