Pr.ATE 35. 



Fig. 1. Cristellaria aciitauricularis. X120. Side view. After Heron-Allen 

 iind Earland. 



2. Cri.steUaria italica. X30. Side view. D2399. 



3. Cristellaria crepidula. X30. Side view. D275<'). 



4. Cristellaria crepidula. X30. Side view. D2648. 



5-7. Cristellaria italica. X30. Figure 5, front view; figure 6, side view; 



figure 7, apertural view. D2399. 

 8,9. Cristellaria schloenhachi. X.30. Side views. D2150. 

 10. Cristellaria schloenhacJii. X30. Side view. D2400. 



213 



