X TABLE OF CONTENTS. 



Structure and anatomy Continued. 

 Perisomic plates Continued. 



Side and covering plates Continued. 



Family Antedonidse Continued. Page. 



Nanometra bowersi . __ .___. ._. 267 



Nanometra clymene 267 



Heliometra maxima 268 



Hellometra glaclalis 268 



ProinackocrinuR kergulensis j. 268 



Anthometra adrianl 270 



Florometra ma rise 270 



Florometra laodice 270 



Florometra asperrima 270 



Florometra serratisslma _. 271 



Florometra rnagellanlca 271 



Cyclometra clio - 271 



Sarametra triserialis 271 



Zenometra columnaris 271 



Psathyroraetra borealis - 271 



Psathyrometra fragilis 271 



Psathyrornetra antarctica 271 



Psathyrometra gracllllma 271 



Eumorphometra conclnna _. 271 



Leptometra celtica 272 



Leptometra phalangium 272 



Notocrinus vlrills 272 



Isometra viviparu 274 



Hathrometra prolixa 274 



Hathrometra teuella.- 274 



Hathrometra sarsii 275 



Fariometra explicata 275 



Trichometra cubensis 275 



Trichometra vexator 275 



Thaumatometra nutrlx 275 



Thaumatometra tenuis 275 



Family Pentametrocrinidse 275 



Thaumatocrlnus rugosus 275 



Thaumatocrinus borealis 275' 



Pentametrocrinus japonicus 275 



Feiitametrocrinus tuberculatus 277 



Pentametrocrinus varians 277 



Family Atelecrinidse 277 



Atelecrinus sulcatus 277 



Tentacles 291 



Subambulaeral plates 294 



Visceral skeleton 294 



Inorganic constituents of skeleton of recent crinolds - 296 



Disk-- 302 



Organic base of the skeleton __ 313 



Connective tissue 313 



Pigment 314 



Visceral mass 314 



Body cavity 315 



Alimentary canal - 316 



Chambered organ 320 



