844 



PROTOZOOLOGY 



long; zooxanthellae yellowish brown, about 12 p. in diameter, fill the 

 body; found on Eunicea crassa (coral); Tortugas, Florida. 



Genus Euplotaspis Chatton and Seguela. Ellipsoid; ventral surface 

 flat or slightly concave; dorsal surface convex; membranellae and 

 cirri with fringed tips; peristome very long; 10 frontal-ventrals; five 

 anals; three or four caudals difficult to see in life; dorsal surface 

 without striae or ciliary processes; macronucleus arched band; a 

 single micronucleus. One species (Chatton and Seguela, 1936). 



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Fig. 359. a, ventral view of Gastrocirrhus stenloreus, X330 (Bullington) 

 (ac, anterior cirri; cc, caudal cirri; cp, cytopharynx; oc, oral cilia; om, oral 

 membrane; vc, ventral cirri); b, c, dorsal and ventral views of Paraeu- 

 plotes tortugensis, X490 (Wichterman) (avc, anterior ventral cilia; cp, 

 ciliary plate; cpc, ciliary plate cilia; cv, contractile vacuole; ds, dorsal 

 swelling; fm, frontal membranellae; om, adoral membranellae; sp. caudal 

 cirri; te, tufts of cilia; zo, zoothanthellae) ; d, ventral view of Euplotaspis 

 cionaecola, X1285 (Chatton and Seguela). 



