<7]^^ <r, qj 





MORPHOLOGICAL PART. 

 TABLE C. 



131 



-R -R. 



r,g) 



\5? V<3 



V 







15 



5^ctro: 



16 



^^cfC^=%^o 



17 



12 



DLIGRAMS ILLUSTRATING THE CHANGES IN THE DEVELOPMENT OE THE ANAL 



SIDE IN THE INADUNATA. 



I. locnmis suhcrassus ; 2. Poteriocrinns ; 3. Cyathocrinus ; '^. Pisocrinus ; ^ . Haplocrinus clio ; ^. 8ym- 

 bafhocrinus ; 7- Baerocrinus ; ^ . Hyhocrmm ; 9. locrinm ; 10. B.eterocrinus bellevillensis ; 11. JEdenocrinns ; 

 12. Anomalocrinus ; 1?>. Homocrinus ; 14- Dendrocrinus ; \^. Poteriocrmus ; 16. Ceriocrinns ; 17. TJlocrinm ; 

 18. Erisocrinus ; 19. AUagecrinus. 

 ,5 = basals; jK = radials; ^' = inferradial ; .r = special anal plate ; /=costals; ^ = tubeplates ; o = orals. 



