iv CONTENTS. 



LUNATE ASCIDIAN ZOOPHYTES. 



CHAPTER VI. — Cristatella vagans, .... page 89 



Alcyonella, . . • • • .101 



Alcyonella stagnorum, .... 102 



Alcyonella gelatinusa, ..... 109 



Plumatella, . . • ■ ■ • "2 



A S C I D I A. 



('11 y?ter vii. a. villosa intestinalis rustica scabra mentula 



papilla, 138-147 



CHAPTER VIII. — Compound Ascidia, ..... 153 



BoTRYLLUS VERRUCOSUS, . ■ • • .154 



ASTEROIDAL ZOOPHYTES. 

 CHAPTER IX.— l.oiii-i.ARiA, ....-• 174 



VlRGULARIA, ...... 181 



Pennatula rnosPHOREA, .... 191 



ACTINIA. 

 CHAPTER X. — Actinia mesembryanthemum — cekasum — gemmacea — elegans 



EXPLORATOR LACERATA MACULATA DIANTIHS, 203-235 



CHAPTER XI. — Supplementary Observations, .... 241 



Hydra tuba, ...••• 1D - 



Medusa, ...•••• 246 



m. aurita capillata crinita proboscidea tim a fim- 



BRIATA, ...-•• 247-20 1 



Beroe, ...•••• 25 1 



b. ovatus punctata bilobata pileus, . . 251-255 



Valkeria spinosa — Alcyonium — Alcyonella — Lobularia, 257 



CHAPTER XII.— Nature of Zoophytes, 



260 



ERRATA. 



Page 82 line 28, /or Plate XXV. read Plate XXVI. 



211 12,/or fig. 4, read fig. 5. 



Plate XXIV. for Lapralia read Lepralia. 



