Plate 48. 



Fig. 1. Cristellarui hradyi. X 1^^. rt. side view; 6, edge view. L)o:51:5. 



2. Cristellnrin cassinoi'Jes. X 26. «, side view; 6, edge view. D5:^81. 



3. Cristellarki dorso-costata. X 13. r/, side view; ?), edge view: c. aportuial 



view. D5268. 



1S21.52— 21 3S 537 



