106 JOSEPHINE RANDALL AND II \ROI.D Ill-Alll. 



PLATE II. 



FK;. i. Anterior view of Aslerophila japonica with pscudopallium partially 

 removed. 



FIG. 2. Arm of starfish containing parasite. 



FIG. 3. Section through pharyngeal tube, showing salivary glands, buccal 

 ganglia and surrounding head sinus. 



FIG. 4. Section through foot and visceral mass; along line w of PI. I., Fig. i. 



FIG. 5. Section along line u, PI. I., Fig. i; the junction of the oesophagus and 

 stomach-intestine marked by an arrow. 



FIG. 6. Section along line /, PI. I., Fig. i. 



FIG. 7. Same along line s, PI. I., Fig. i. 



FIG. 8. Diagram illustrating growth of pseudopallium in Aslerophila. 



FIG. 9. Same, Ctenosculiim hawaiiense. 



