PLATE XII. 



Crystalloinia Dana. 



Fig. 92. Crystalloinia spec, group I. (Cat. 25 A.). 15 X 

 Fig. 93. Crystallomia spec, group I. (Cat. 151 F.). 14 X- 

 Fig. 94. Crystalloinia spec, group I. (Cat. 88 M.). 13 X- 



rprs = reduced primary siphon. 

 Fig. 95. Crystallomia spec, group I. (Cat. 163 A.). 25 X. 

 Fig. 96. Crystallomia spec, group I. (Cat. 71 B.). 28 X. 



