PLATE 49 



37 



43 







38 



44- 



39 



. 



45 



^ 



40 



- 



46 



' 



41 







47 



42 







48 



55 



. 



56 



57 



52 



58 



53 



59 



54 



60 



61 





67 



62 



+ 



63 



ff. 



64 



. 



65 



.--' 



68 69 70 71 



FIGS. 37-72. Check series of Cerion crassilahri*. 



. flp 



66 



72 



