INDEX. 
Page. 
abdita (Amphiura) Verrill 548 
aculeata (Ophiopholis) Linnajus 549,559 
affinis (Botryodactyla) Ayres 566 
agassizii (Gorgonocephalus) Stimpson 561 
americanus ( Astropecten) Verrill 547 
Amphipbolis 560 
Amphiura 549,560 
Anaperus 567, 569 
Antedon 547 
Arbacia 548, 562, 563 
arcticum (Troehostoma) v. Marenzellar 570 
arenata (Caudina) Gould 569 
arenicola (Asterias) Stimpson 548,552 
armata (Caudina) TheOl 570 
Asteracanthion 552, 553, 554 
Asterias 548,552-555 
Asteroidea 551-557 
Astropecten 547 
Astrophyton 5'fil 
atlanticus (Echinarachnius) Gray 564 
austera (Asterias) Verrill 555 
ayresii (Synapta) Selenka 571 
Basket-fish 561 
bellis (Ophiura) Fleming 559 
berylinus (Asteracanthion) A. Agassiz 552 
boreale (Troehostoma) Dan. and K 550,570 
borealis (Molpadia) Sars 570 
Botryodactyla 566 
brevispina (Ophiura) Say 548,558 
briareus (Thyone) Lesueur , 548,549,567 
Brittle-stars 557 
brittle-star, Daisy 559 
bryareus (Anaperus) Pourtal&s 567 
Cake-urchins 562 
Caudina 569 
Chirodota 569,570 
chlorocentrotus (Strongylocentrotus) Brandt 563 
Cladodactyla 566 
compta (Asterias) Stimpson 554 
Cribella 555 
Cribrella 548,555 
Cucumaria 548,566,567,569 
davisii (Echinocidaris) A. Agassiz 563 
dentata (Antedon) Say 547 
drobachiensis (Strongylocentrotus) O. F. Muller 562,563 
Echinarachnius 549,562,564 
Echinocidaris 563 
Eehinoidea 562-565 
Echinus 563 
elegans (Amphiura) Norman 560 
Encope 565 
endeca (Solaster) Iietzius 548, 556 
Euryale 561 
Euryechinus 563 
fasciculata (Ophiura) Forbes 558 
Page. 
flaceida (Asteracanthion) A. Agassiz 554 
forbesi (Asterias) Desor 548,552 
forbesii (Asterias) Verrill 552 
i'ragilis (Schizaster) Dub. and K 547 
frondosa (Cucumaria) Gunnerus 548,566 
fusiformis (Cucumaria) Desor 569 
fusus (Thyone) O. F. Muller 569 
girardii (Synapta) Pourtales 571 
Gorgonocephalus 561 
gracilis (Synapta) Selenka 571 
grandis (Botryodactyla) Ayres 566 
granularis (Echinus) Say 563 
granulatus (Echinus) Gould 563 
Holothuria 566,567,571 
Holothurians 565-571 
Holothurioidea 565-571 
inhaerens (Synapta) O. F. Muller 571 
Japonica (Cucumaria) Semper 556 
Leptasterias 554 
Leptosynapta 571 
Linekia 555 
lineata (Amphipholis) Ljungman 560 
Mellita .• 548,562,565 
Molpadia 570 
nnilleri (Asterias) Sars 555 
neglecta (Ophiura) Johnston 560 
neglectus (Echinus) Lamarck 563 
oculata (Asterias) Pennant 555 
olivacea (Ophiura) Lyman 558 
olivaceum (Ophioderma) Ayres 558 
ooliticum (Troehostoma) Pourtales 570 
Ophiocoma 559,560 
Ophioderma 558 
Ophioglypha -. 548,558 
Ophiolepis - 558,559,560 
Ophiopholis 549,559 
Ophiura 548,558 
Ophiuroidea 557-562 
pallida (Asterias) Goto 553 
pallidus (Asteracanthion) Agassiz 553 
parma (Echinarachnius) Lamarck 549,562,564 
parma (Scutella) Lamarck 564,565 
pellueida (Synapta) Ayres 571 
Pentacta : 566 
pentactes (Cladodactyla) Gould 566 
Pentamera 567 
pentapora (Mellita) Gmelin 565 
pentapora (Encope) Agassiz 565 
pentaporus (Echinus) Gmelin 565 
pertusa (Asterias) O. F. Muller 555 
pulcherrima (Cucumaria) Ayres 567 
punctulata (Arbacia) Lamarck 562,563 
punctulatus (Echinus) Lamarck 563 
quinquefora (Scutella) Lamarck 565 
robusta (Ophioglypha) Ayres 548,558 
575 
