LIST OF ILLUSTKATIONS. 



PAGE 



Plate IX. — Reproduction of Chrysaora and Truncatulina , . 218 



Plate X. — Ophryodendron abietinum, .... 274- • 



Plate XI. — Ophryodendron, Dendrophyra, Atractylis palliata, 276 

 Plate XII — Hydractinia, Lar satellarum, Trichidra pudica, 



Cunina globosa, Sertularia pumila, . . .276 



Woodcut — Fig. 1. Atlas of a young Chelonia virgata, . . 225 



Fig. 2. Dorsal vertebra of a young seal, . . 225 



,, Fig. 3. Superior aspect of the axis of a human foetus, 225 



-„ Fig. 4. Inferior aspect of the atlas of a human foetus, 225 



, , Fig. 5. Cervical vertebra from a human foetus, . 225 



„ Ovisac of Eudendrium confertum, . . . 279 



