TABLE OF CONTENTS. 



Plates I., 11. Development o/Crinoiuea [Comalula). Figures from George J. Allman, William B. Car- 



PENTER, A. GOETTE, HUBERT LUDWIG, and C. WyVILLE THOMSON. 



From Wyvillk Thomson. 

 " A. Goette. 

 " AYyville Thomson. 

 " W.m. B. Carpenter. 

 " Geo. J. Allman 



" H. LuDWIG. 



Plates III., IV. Development o/Ophiuroidea. Figures from Alexander Agas.siz, N. C. Apostolid^s, August 

 Krohn, Hubert Ludwig, Elia.s Metschnikofp, Johannes MiiLiBR, Max Schultze, and T. H. Stewart. 



Plate III. — 1-14 Aniphiura squamata 



14'-19 



20 Ophiopholis ! 



21-23 Amphiura ? 



24, 25 Opliiocoma rosula . 



20-31 Amphiura squamata, 



32, 33 Viviparous Ophiuran 



Plate IV. — 1-13 OpMothrix versicolor 



14-26 Ophiothrix fragilis . 



27-34 PliUeus bimaculatus 



From E. Metsciinikoff. 



" H. Ludwig. 



" Alexander Agassiz. 



( C It i .' 



" T. H. Stewart. 



" Max Schultze. 



" A. KUOHN. 



" N". C. Apostulid^s. 



" Johannes Muller. 



Plates V.-VIII. Dcvelojmunt of Asteroidea. Figures from Alexander Agassiz, Louis Agassiz, Wilhelm 

 BuscH, J. Koren and D. C. Danielssen, S. Loven, Hubert Ludwig, Johanne.s Muller, Michael Sars, 

 and C. Wtville Thomson. 



Plate V. - 



Plate VI.- 



Plate VII. - 



Plate VIII. 



1-4 Echinaster scpositns 



5-49 Asterina gibhosa 



1-11 Asterina gibhosa (continueil) 



12-19 Astcracanthion flaeciila . 



20-23 Ptcraster 7nilitaris . 



24-32 Asteracaiithion violaceus 



33-42 Eclmiastcr sanguinolcntiis . 



43-46 Echinaster Sarsii 



47, 48 IVurmfirmigc Aslerie 



49-51 Ptcraster militaris 



- 1-28 Astcracanthimi bcrylinus 



29-34 Asteracanthion paUidns 



— 1-23 Asteracanthion pallidus (I'ontiniicd) 



24 Bipiinnaria aslerigera . 



25-26 Asterias glacialis . . . 



From W. Buscii. 



" H. Ludwig. 



" L. Agassiz. 



" M. SAR.S. 



" Wyville Thomson. 



" M. Sars. 



" Johannes Mi) i.i.ER. 

 (( <( '1 



" J. Koren and D. C. Danielsen. 



" Alexander Agassiz. 



Johannes Muller. 

 S. Loven. 



