KOFOID AND SWEZY: UNARMORED DINOPLAGELLATA 17.7 



14. With apical point deflected to the left, body spheroidal agile sp. nov. 



14. Apical point, if present, not deflected 15 



15. Length 1.5 transdiameters, girdle feebly marked simplex (Lolimann) 



15. Length 1.2 transdiameters, girdle evident grammaticum (Pouehet) 



16. Sulcus not extended far on epicone, length less than 40/i 17 



16. Sulcus extending nearly to apex, length over 50/a 18 



17. Epicone and hypocone subequal, girdle not constricting flavum sp. uov. 



17. Epicone much smaller than hypocone, girdle deeply constricting cinctum sp. nov. 



18. Epicone hemispherical, dark ochraceous conicum nom. sp. nov. 



18. Epicone conical, greenish yellow ravenescens sp. nov. 



19. Length over 75/x 20 



19. Length less than 50/^ 21 



20. Sulcus extending short distance on epicone, girdle slightly displaced mirabile Penard 



20. Sulcus confined to hypocone, girdle not displaced fuscum (Ehrenberg) 



21. Length about 1 to 1.1 transdiameters 22 



21. Length about 1.3 to 1.5 transdiameters 24 



22. Girdle slightly displaced, length 45ju,, yellowish brown uberrimum (Allman) 



22. Girdle not displaced 23 



23. Length 44/i, over 1.5 transdiameters, yellowish brown palustre Schilling 



23. Length 40/x, 1.3 transdiameters, dark brown paradoxum Schilling 



23. Length 34/i, 1.3 transdiameters, yellowish rotundatum Klebs 



24. Length 40/.1, 1.5 transdiameters carinatum Schilling 



24. Length 22-23/x 25 



25. Sulcus extends short distance on epicone biciliatum Ohno 



25. No sulcus on epicone bogoriense Klebs 



26. Cytoplasm colored 27 



26. Cytoplasm colorless 37 



27. Fresh-water, cytoplasm pink, girdle premedian roseolum (Schmarda) 



27. Marine habitat 28 



28. Pigment masses present 29 



28. No pigment masses present '. 30 



29. Pigment pomegranate purple, peripheral ...lineopunicum sp. nov. 



29. Pigment pansy violet, in disks or scattered violescens sp. nov. 



29. Pigment rose red, diffused, and in spherules rubricauda sp. nov. 



30. Length over 100;u, girdle premedian, temporary tentacle present 



pseudonoctiluca Pduclut 



30. Length less than 100,t 31 



3L Girdle premedian, epicone low hemispherical, sulcus short doma sp. uov. 



31. Girdle not premedian, sulcus extends from apex to antapex 32 



