[ To face paye 382. 



TREE OF FISTULATE CRINOIDS. 



is. Euspirocrinua. 



rinus. Closterocrinus. 



I 

 Am pheristocrinus. 



crinus. Botryocrinus. 



Cyathocrinus. 



totreptocrinus. Araehnocrinus. 

 Xjxissocrinus. 



Sicyocrinus. Oucocrinus. 

 Vasocrinus. 



Barvcrinus. — Atelestocrinus. 



)pc;ulocrinus. 



Scytalecrinus. 



pachycrinus. 



i 



ibrachiocrinus. 



I 

 omyocrinus. 



\ 



Lecythocrinus. 



/ Codiacrinus. 



/ ^ X 



Achradocrinus. 

 Hypocrinus. 



Belemnocrinus. 

 Holocrinus. 



\ 

 Lecythiocrinus. 



Agassizocrinus. 



