PLATE I. 



Page. 



DOLATOCBINUS MAGNIFITOS, n. Sp 5 



Fig. 1. Basal view of a calyx Bomewhat injured near middle part. 



Fig. 2. Vault, a part beinj; broken away. 



Fii;. 3. Lateral view of calyx, showing six-armed ray and height, of vault. 



DOUITOCRINUS SPIN0SC8, n. sp s 



Fig. 4. Basal view of a calyx. 



Fi«r- 5. Lateral view of calyx showing some of the spines on the plates of the vanit. 



DOI^TOCKINUS LAUUS, Lyoii 



Fig. 6. Lateral view of a calyx. 

 Fig. 7. Baeal view. 



DOLATOCRINL'S MARSUl, LyOB 



Fig. S. Basal view of a calyx. 



