xxxiv LIST OF ILLUSTRATIONS 



FIG. PAGE 



705. Shell of Argonauta argo 773 



706. Segmentation of Loligo . 774 



707. Blastoderm of Sepia 775 



708. sections ... 775 



709. Development of Loligo . . ... . 776 



710. 777 



71 J. 777 



712. 778 



71X Diagram to illustrate the relationships of the Cephalopoda . . 780 



