XIV TABLE OF CONTENTS. 



The peutacrinoid young Continued. Page. 



Isoiuetra vivipara 528 



Heliometra glacialis 528 



Promacbocrinus kergueleusis __ 530 



Column 553 



Terminal stem plate... 554 



Infrahasals 554 



Basals 554 



Radianal 554 



Radials 555 



Interradials 555 



Brachials 550 



Covering plates..- 550 



Pinnules 550 



Orals 550 



Anthometra adriani 557 



Florometra serratissiaia 559 



Hathrometra prolixa 559 



Hathrometra tenella 563 



Hathrometra sarsii 564 



Thaumatometra nutrix 575 



Thaumatometra, sp 575 



Doubtful species 576 



Summary 577 



Size . 577 



Column 57S 



Terminal stem plate 580 



Attachment 581 



Cirri 583 



Infrabasals 584 



Basals 584 



Radials __. 581 



Radianal 585 



Interradials--- 580 



Arms 587 



Pinnules 587 



Side and covering plates 588 



Orals 588 



Perisomic plating of the disk 589 



Spicules in the tentacles 590 



Hybrids between crinoids and eehinoids 590 



Asymmetry 592 



Habitat of the littoral criuoids Win 



Species found swimming at the surface 590 



Species found between tide marks 597 



Species found on coral reefs 597 



Occurrence of coma tu lids among sea weeds 598 



Occurrence of comatulids in half submerged caves 599 



Absence of comatulids from rock pools _ 599 



Occurrence of comatulids beneath stones 599 



Occurrence of comatulids on piling 599 



Breakwaters 399 



Occurrence of coiuatullds uu mangrove roots 599 



Occurrence of comatulids on mud 599 



