IV 
CONTENTS 
PAGE 
Order FLEXIBILIA 64 
Family Lecanocrinidae ■ 64 
Lecanocrmus 65 
Anisocrinus 65 
Hormocrinus 66 
Asaphocrinus 66 
Pycnosaccus 67 
Family Sagenocrinidae 68 
Sagenocrimis * 68 
Family Ichthyocrinidae 68 
Ichthyocrinus 68 
Clidochirtis 69 
Family Taxocrinidae 69 
Protaxocrinus 69 
Gnorimocrinus 70 
Order INADUNATA 71 
Larviformia 71 
Pisocrinus 72 
Triacrintis 74 
Zophocrinus 81 
Tiaracrinus 81 
Mysticocrinus 83 
Family Heterocrinidae .• 85 
Myelodactylus 85 
Family Calceocrinidae 88 
Morphology and evolutionary sequence 88-103 
Analysis of Genera 104 
Cremacrinus 105 
Eucheirocrinus iii 
Calceocrinus I IS 
Halysiocrinus 121 
Family Petalocrinidae 126 
Petalocrinus 126 
Crotalocrinus 128 
Family Cyathocrinidae 131 
Thalamocrinns 131 
Ampheristocrinus 132 
Lecythiocrinus I 33 
Cyathocrinus I 33 
Parisocrinus I 35 
Gtssocrinus i35 
Botryocrinus I 35 
INSERTAE SEDIS i37 
Parastephanocrinus I 39 
Stephanocrinus I 39 
BLASTOIDEA AND CYSTIDEA 141 
Troostocrinus 141 
Tetracystis ' 14 1 
Sfribalocystites 142 
Lysocysfites 142 
Caryocrinus I 43 
PERSONAL RECORD i 44 
BIBLIOGRAPHY OF AUTHOR’S WORKS 146 
A. Scientific 146 
1. In Collaboration 146 
2. In Sole Authorship 146 
B. Miscellaneous I 49 
INDEX 167 
EXPLANATION OF PLATES 173 
