262 



LIST OF ILLUSTRATIONS. 



Page 



26. Morphology of Actinozoa, after Gosse and Hollard . • 133 



27. Morphology of Pleurobrachia, altered from Agassiz and 



Huxley 145 



28. Morphology of Zoantharia Sclerodermata, after Huxley . 156 



29. Columnaria Franklinii 158 



30. Tubipora musica . * 159 



31. Development of Pleurobrachia 9 after Strethill Wright . 181 



32. Turbinaria palifera, after Dana . . . . . .188 



33. Dendrophyllia nigrescens, after Dana 189 



34. Zoantharia Malacodermata, after Couch, Forbes, and Gosse 197 



35. Zoantharia Sclerobasica, after Dana 202 



36. Zoantharia Sclerodermata, after Milne Edwards and Haime 204 



37. Pennatulidce and Gorgonidce, after Patterson, Milne Edwards 



and Haime 211 



38. Zaphrentis cylindrica . • 215 



39. Various forms of Ctenophora, after De Blainville, Gegen- 



baur, Lesson, Patterson, and the Author. . . .217 



