Tat. XXI. 



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1. CYTHER-E IN PIN ATA 5. C ACUTA 



2 C. QUADRIDENTATA 6 C ANGUS TATA 



3 C. CONVEXA 7. C PELLUCID A 



4 C. NIGHESCETSTS. 8 C AURANTIA 



9- C IMPRE SSA 

 10. 1L. C. VARIABILIS 

 12. C. FLAVIDA. 



W Wiag- , 



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