648 



PROTOZOOLOGY 



end; more or less vertical; without ring-furrow in middle; with or 

 without style ; salt water. 



P. arcHca D. (Fig. 306, /). Lorica about 430/i high, with spiral 

 ridge; off Norweigian coast 15-28 m. deep. 



Genus ParafoUiculina Dons. Neck of lorica with a basal swelling; 

 attached either with posterior end or on a lateral surface; salt water. 



P: violacea (Giard) (Fig. 306, g). 175-310/i long; salt water; 

 widely distributed (Andrews, 1942). 



Family 7 Clevelandellidae Kidder 

 Genus Clevelandella Kidder (ClevelandiaK.). Elongate pyriform 

 or spear-shaped; posterior region drawn out, at the end of which 



Fig. 305. a, b, ventral (outline) and dorsal views of Clevelandella 

 panesthiae, X300; c, ventral view (in outline) of Paradevelandia brevis, 

 X300; d, a ventral view of P. brevis, X760; e, cyst of P. brevis, X740. 

 (Kidder.) 



peristome and cytostome are located; body more or less flexible; 

 completely ciliated; one macronucleus supported by a karyophore; 

 a micronucleus; a contractile vacuole at posterior left, near cytopyge; 

 endocommensals in the colon of wood-feeding roaches, Panesthia 

 javanica and P. spadica. Several species. 



C. panesthiae K. (Fig. 305, a, b). Broadly fusiform with bluntly 

 pointed anterior end and truncate posterior end; 87-156(123)m 

 by 53-78(62)/i; peristomal projection about one-fifth the body 

 length; peristome is nearlj^ enclosed; macronucleus massive; a vesi- 

 cular micronucleus on its anterior border; karyophore separates the 

 endoplasm into 2 parts: anterior part with glycogenous platelets, 

 posterior part with numerous food particles; often parasitized by 

 Sphaerita (p. 722) ; in the colon of Panesthia javanica and P. spadica. 



Genus Paradevelandia Kidder. Elongate pyriform; body rigid; 



