TABLE OF CONTENTS. 



Page. 



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Preface v 



Table of Contents vil 



Introduction 1 



Description of species 7 



Class Cystoidea 7 



Order Dichoporita 7 



Family Chirocrinidse 7 



Genus Chirocrinus 7 



Species Chirocrinus angulatua 7 



Family Callocystidae 8 



Genus Tetracystis 8 



Species Tetracystis fenestrates 8 



Family Caryocrinida? 10 



Genus Caryocrinus 10 



Species Caryocrinus milligani. _ 10 



gL ibosus LI 



bulbulus 11 



Class Blastoidea 12 



Family Pentremitidae 12 



Genus Pentremites 12 



Species Pentremites godoni 13 



pyriformis 13 



elegans 14 



florealis 15 



sulcatus 16 



Family Troostocrinidse 17 



Genus Troostocrinus 17 



Species Troostocrinus reinwardtii 17 



Family Nucleocrinidse L8 



Genus Nucleocrinus 18 



Species Nucleocrinus verneuili L8 



globosus 19 



Family ( )rbitreinitid;e 20 



Genus Orbitremites • 20 



Species ( (rbitremites granulatus -'1 



Class Crinoidea 22 



Order Monocyclica inadunata 22 



Family Heterocrinidse 22 



Genus Ectenocrinus 22 



Species Ectenocrinus canadensis 22 



Family Pisocrinidse 23 



Genus Pisocrinus 23 



Species Pisocrinus milligani 23. 



vir 



