Arenicolidae 



ST.T ; 



Fig. 37.^.. marina. Statoliths, and cuticular lining: of statocysts, of specimens from Jersey (A), 

 and Trieste (B). ST.T. Tube leading to exterior. 



ST.T. 



A 



B 



Sr.T 



Fig. 38. A. assimilis var. affinis. Statoliths, and cuticular lining of statocysts ; 

 A, Of a specimen, 136 mm. long, from Otago Harbour, N.Z. ; B, Of a specimen, 

 128 mm. long, from the Falkland Islands. ST.T. Tube leading to exterior, 



