PLATE 7 



Fig. 70. Gyrodinium fulvum sp. nov. Sinistroventral ^dew. Surface is heterostriate. Note 

 unusual development of anterior pu.sule. The longitudinal flagellum was attached at its tip to 

 small particle and vibrated in a cone, following the direction of the arrow. X 1102. 



Fig. 71. Cochlodinium atromacidatum sp. nov. Ventral view. Melanin granules present 

 along girdle. Nucleus is long ellipsoidal -body centrally located, cytoplasm filled with colorless 

 vacuoles. X 626. 



Fig. 72. Gyrodinium spitmantia sp. nov. Ventral view. Cytoplasm foamlike, completely 

 filled with vacuoles, nucleus spheroidal near the center. X 626. 



Fig. 73. Gyrodinium flavidum sp. nov. Ventral view. Cytoplasm filled wtih vacuoles of 

 varying sizes. X 626. 



Fig. 7-4. Protodinifcr fcnfaculatum sp. nov. Viewed from left side. Note stout, posterior 

 prod, large food body and other products of metabolism. Girdle is short, fading dorsaUy. 

 X 1102. 



Fig. 75. Gymnodinium cinctum sp. nov. Colored by 0. Swezj'. Ventral \-iew. Cyst closely 

 investing body. Note unusual shape of pusule and peripheral chromatophores. X 1102. 



Fig. 76. Gyrodinium ochraceum sp. nov. Ventral view. Surface striate, nucleus centro- 

 anterior, pusules connected by slender canal. Pigment in granules scattered through peripheral 

 zone. X 626. 



Fig. 77. Gyrodinium culeus sp. nov. Ventral view. C\'toplasm foamlike, nucleus dorsad 

 of anterior flagellar pore. Note rose-red pigment granules. X 1102. 



Fig. 78. Cochlodinium distortum sp. nov. Colored by 0. Swezy. Viewed from right side. 

 Nucleus anterior, pigment granules strung on surface striae. Probably a somewhat distorted 

 specimen. X 626. 



Fig. 79. Cochlodinium citron sp. nov. Viewed from left side. Nucleus anterior. Note 

 numerous oil droplets, rodlets, and other products of metabolism in cytoplasm. X 1102. 



Fig. 80. Cochlodinium pulchellum Lebour. Colored by 0. Swezj'. Dextrodorsal view. 

 Note unusual length of girdle and amount of torsion of body. Nucleus posterocentral. X 1102. 



Fig. 81. Gyrodinium dorsum sp. nov. Ventral view. Nucleus in posterior half of body, 

 food body in anterior part. X 1102. 



Fig. 82. Gyrodinium ochra<:eum sp. nov. Dextroventral view. Individual after the pig- 

 ment granules (fig. 76) had collected into band along the girdle. This later pinched off small 

 granules until it presented the same appearance as in figure 76. X 626. 



[552] 



