PLATE 29. 



ASTEOSPH^EIDA. 



Diam. Page 



Fig. 1. Echinomma toxopneustes, n. sp., . . . x 400 259 



Fig. 2. Echinomma sphcerechinus, n. sp., . . . x 400 258 



Fig. 3. Actinomma denticulatum, n. sp., . r . . x 400 254 



Fig. 4 Actinomma pachydet-ma, n. sp., . . . x 400 254 

 The half of the cortical shell is removed. 



Fig. 5. Actinomma pachydetina, ji. sp., . . . . x 400 254 



Fig. 6. Actinomma capillaceum, n. sp., . ,. . x 300 255 



Fig. 7. Actinomma arcadopliorum, n. sp., . . . . x 400 255 

 A part of the two outer shells is removed. 



Fig. 8. Actinomma arcadophwum, n. sp., . . . . x 400 255 

 Inner medullary shell. 



Fig. 9. Pityomma drymodes, u. sp., . . . . x 300 260 

 A part of the two outer shells is removed. 



