Plate VI. 



30. Anterior hooks and bristles of Cimtlnliis cinutns. var. caf>crisis, x 100 



diameters. 



31. Anterior hooks and bristles (drawn to the same scale) of Cirratulus cirratus 



from Britain. An ovum is on the left. X 100 diam. 



32. Anal funnel of Nicoiiuiclic lu)7thytialrs var. capfnsis. X 20 diam. 



33. P'oliate anal expansion of Maldane Mc/iitoshii, Marenzeller. (Under a lens.) 



34. A posterior hook of the foregoing. X 150 diam. 



