KOFOID AND SWEZY: UNARMORED DINOFLAGELLATA 



CHAPTER XI p^oj, 



Gymnodinium Stein emend. 158 



Discussion, history, distribution 158 / 



Subgenus Gymnodinium subgen. nov. ; 174 ^ 



Subgenus Liniadinium subgen. nov. 175 



Subgenus Pac/i?/rfmmm subgenus, nov 175 



Key to species ■ 176 



Discussion of species, with description etc., G. abbreviatum to G. grammaticum 180 



CHAPTER XII 



Species oi Gymnodinium (continued) 218 



Gymnodinium hamulus sp. nov. to G. zachariasi 218 



CHAPTER Xlll 



Gyrodinium nom. gen. nov. 273 



Discussion, history, distribution 273 



Subgenus Gi/rorf/«?'M?« subgen. nov. 282 



Subgenus Laevigella subgen. nov 282 



Key to species .- 282 



Discussion of species with description, etc. ._ 285 



CHAPTER XIV 



C ochlodini urn f^chutt 342 



Discussion, history, description 342 



Subgenus Cochlodinium subgen. nov. 348 



Subgenus Polydinium subgen. nov. 349 



Key to species 350 



Description of species, with discussion, etc 351 



CHAPTER XV 



Torodinium gen. nov. 389 



Discussion, history, distribution 389 



Key to species ■. 390 



Discussion of species with description, etc 391 



CHAPTER XVI 



Family 3. Polykrikidae fam. nov. 395 



Diagnosis 395 



Polykrikos BiitschM 395 



Discussion, history, distribution 395 



Key to species 398 



Discussion of species with description, etc 398 



