I'LATE 30. 



Fig. 1. Cristellarid iotn. X2."). Side view. D2399. 



2. Cristellaria Iiirida. X25. Side view. D2.544. 

 3,4. Cristellaria itcregrina. X30. Side views. Figure 3, young speci- 

 men ; figure 4, adult specimen. D2202. 



5. Cristellaria ohtusata, var. subaldfa. X25. Side view. H79. 



6. Cristellaria formosa. X25. Side view of young. D2377. 



7. Cristellaria calcar. X30. Side view. D2377. 

 208 



