ILLUSTRATIONS IX 



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24. Coronadena mutaHlis (Verrill) and DiscoceUdes elUpsoides (Girard)- 451 



25. Copulatory complex of Discocclides ellipsoides (Girard) and Lato- 



cestus whartoni (Pearse), and eye arrangement of Stylochus eUip- 

 ticus (Girard) 455 



26. Stylochus puleher, new species, with copulatory complex 463 



27. Stylochus ociiliferus (Girard) 465 



28. Copulatory apparatus of Stylochus oculiferus (Girard) and eyes and 



copulatory complex of Euplana caroUnensis, new species 471 



29. Digynopora americana, new genus and species, showing eyes and 



copulatory organs ; copulatory complex of Planctoplanella atlantica, 



new genus and species 474 



30. Planctoplanella atlantica, new genus and species, showing eyes and 



copulatory complex 480 



31. Eyes of Enantla pellucida (Pearse), copulatory complex of E. pellucida, 



Oligoclado floridanus, Accrotisa balae, new species 483 



