PLATE 9 



Fig. 92. Cochlodinium helix (Pouchet) Leinm. Viewed from right side. Large food body 

 present. Pusules connected by canal. X 1102. 



Pig. 93. Cochlodinium cavatum sp. nov. Viewed from left side. Organism enclosed in 

 double cyst. Note ventral excavation of body. X 1102. 



Fig. 94. Gyrodinium glaucum (Lebour). Colored by 0. Swezy. Long rodlets in cytoplasm 

 as shown in text figure are omitted. X 1102. 



Fig. 95. Gyrodinium fissum (Schiitt). Colored by 0. Swezy. Ventral view. Peripheral 

 zone of radial rodlets shown only at margins. X 1102. 



Pig. 96. Protopsis neapolitana Kofoid. Original drawing by C. A. Kofoid ; colored by 0. 

 Swezy. Ventral view. Food bodies present. Note small size and diffuse type of melanosome. 

 X 1102. 



Fig. 97. Gymnodinium hamulus sp. nov. Camera drawing by Miss Inez Smith. Ventral 

 view. Nucleus is spheroidal body near anterior flagellar pore. X 1102. 



Fig. 98. Amphidinium furho sp. nov. Colored by 0. Swezy. Ventral view. X 1102. 



Pig. 99. Cochlodinium turiintmn sp. nov. Viewed from right side. Remains of yellow- 

 ochre food body in cj'toplasm. X 1102. 



Fig. 100. Gymnodinium flavum sp. nov. Camera drawing by Miss Inez Smith; colored by 

 0. Swezy. Ventral view. Note the presence of food bodies and yellow chromatophores. X 1463. 



Fig. 101. Cochlodinium pirum (Schiitt) Lemm. Unusual size of nucleus may be prepar- 

 atory to division. X 1102. 



Fig. 102. Gyrodinium caudatum sp. nov. Ventral view. Note the unusual type of cyst. 

 Food bodies present. X 1102. 



Fig. 103. Gyrodinium oltusum nom. sp. nov. Colored by 0. Swezy. Ventral view. Pusules 

 connected by slender canal. X 1102. 



Fig. 104. Cochlodinium vircsccns sp. nov. Ventral view. Food bodies present. Pusules 

 connected by canal. X 1102. 



Fig. 105. Cochlodinium catenaium Okamura. Colored by 0. Swezy. Chain of four zooids. 

 X626, 



Pig. 106. Gyrodinium ovoideum sp. nov. Colored by 0. Swezy. Ventral view. Pood body 

 present. X 626. 



[556] 



