PLATE XV. 



FifT. 1. Right side of Triposolenia bivornis sp. nov. X 514. 



Fig. 2. OH contents of T. biconiis, viewed from tiie left side. X 74(; 



ABBREVIATIONS. 



ac.pus. — accessory pusulo. 

 a.li. — antapieal horn. 

 a.p. — anterior process. 

 can. — efferent canal. 

 chr. — chromatophore. 

 c 'ph. — cytopharynx. 

 f.p. — flagellar pore. 



lid. — head. 

 mh. — midbody. 

 m.f.- — major flexure. 

 n. — neck. 

 nu. — nucleus. 

 pus. — pusule. 

 t. — tubercle. 



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