TABLE OF CO:XTEXTS. 



22-29 Aijaliiia chrjaiis and Pliijsvphora hijdruUut iai 



E. Metschnikoff. 

 J. Walter Fewkes. 

 E. Metschnikoff. 

 Alexandek Aga.ssiz. 

 E. Metschnikoff. 

 Ai.exandeu Agassiz. 

 E. Metschnikoff. 

 J. Walter Fewkes. 

 E. Metschnikoff. 

 J. Walteu Fewkes. 



Plate VIII. Development of the Acraspeda. 

 Plate VIII. — 1-49 Aurdia favidula and Ctjanea arciica . From Louis Agassiz. 



Plates IX. and X. Development of tlie Ctenophoha. Figures from Alexander Agassiz, Carl Chvn, and 



J. Walter Fewkes. 



Plate IX. — 1-37 Bero'e roseola and Pleurohrachia rhododactyla 



38-40 Callianira bitilata .... 



41-47 Bero'e, Chiaja, and Uormiphora 



48-50 Beroe roseola .... 



Plate X. — 1-19 Ccstiis, Chiaja, and Lnmpdia . 



20 Ocyroc cryslallina .... 



From Alexander Agassiz. 

 " Cahl Chun. 



" Alexander Agassiz. 



" Carl Chun. 



" J. Walter Fewkes. 



Plates XI-XIII. Development o/' Anthozo.^. Figures from Alexander Agassiz, Angelo Andres, AViliielm 

 Buscii, C.iBL Glaus, Henri de Lacaze-Duthiers, Oscar Hertwig und Richard Hertwig, Etienne 

 JouRDAN, G. von Koch, A. 0. Kowalevskv, Edward L. Map.k, R. von Willejioes-Suhm, and 

 Edmund B. Wilson. 



Plate XI. 



-1-25 



26-31 



32-34 



35, 36 



37 



Plate XI. Development of Zoantharia (Actinix.e). 



Actinia mesem hranlhem um 



Actinia sp. ? . 



Actinia equina 



Adamsia diaphana 



Aiptasia laarata — Scissipicritij 



From Henri de Lacaze-Duthiers. 

 " a. 0. kowalevsky. 

 " Etienne Jourdan. 

 " Oscar Hertwig und Richard Hertwig. 

 " Angelo Andres. 



Plates XII. 1-36; XIII. 1-28. Dcvelopvient of Zoastuwax. 

 Plates XII. 37-43; XIII. 29-59. Development of Alcyosavaa. 



Plate XII. — 1-6 Ccrianlhus mcmbranaceus . . . From A. O. Kowalkvsky. 



" Etienne Jourdan. 



" A. 0. Kowalevskv. 



" WiLIIELM BuscH. 



" Alexander Agassiz. 



" Edward L. Mark. 



" Carl Clau.s. 



10-15 



16-23 



24-33 



34 



35, 36 



37-43 



Pl.\te XIII. — 1-11 



12-15 



45,1 17 



18-28 



29-42 



43, 44, 46 



16' 



47-52 



53-56 



57-59 



Ccrianlhus mcmbranaceus 

 Ccrianthns mcmbranacetis . 

 Ccrianlhus membranaeeus 

 Ccrianlhus ? (Dianthea nohilis Busuli) 

 Edwardsia sp. ? . . . 



Edwardsia lineata ? 

 Edwardsia ? . 



Edwardsia? {Kallijihubc appcndicu/uia Buscli 

 Alcyonium diijilalum 



Astroidcs cali/cularis . . . . 



Balanophyllia rcgia 

 Astrcca sp. ? . 

 Astcroidcs calycularis 



Corallium rubrum . . . , 



Cforcjonia verrucosa 



Oorgonia verrucosa , . . . 



liCnilla reniformis 

 UmbcUularia sp. ? . 

 Alcyonium diijitntnm 



(For continnalion of Aloyoiiiiuu, slt I'late XII. I'ig 



WiLHELM Buscil. 

 A. 0. Kowalevskv. 

 Henri de LAcAzr.-DuTiiiEns. 

 Etienne Jourdan. 

 A. 0. Kowalevskv. 

 G. von Koch. 

 Lacaze-Duthiers. 

 G. VON Kocii. 

 A. 0. Kowalevskv. 

 Edmund B. Wilson. 

 R. von Willemoes-Suh.m. 

 A. 0. Kowalevskv. 

 -43.) 



Figiircj Ifi fiml 16 were intcrchangcil by the lithographer. 



