IV. CTENOPHORA 





FIG. 207. FIG. 



FIG. 207. Diagram of Hormophora, cut in two. /, tentacle;/-- 3 , root and sheath 

 of tentacle; g, main perradial vessel which divides twice dichotomously to form the 

 meridional vessels; m, stomach; mg, paragastric canals; f 1 - 4 , rows of combs overlying 

 meridional canals; t, t l , funnel and funnel vessels; s, sense body. 



FIG. 207 A. Swimming plate and epithelial cushion (after Chun). 



to 



ws 



ws 



L/t?>V -A 



\Myjgfi 



sk 



FIG. 208. FIG. 2oq. 



FIG. 208. Section of sense body of Callianira. A. through the centre; B, excentric; d, 



roof of sensory groove;/, support of statoliths, o; p, pigment cell; sc, sensory cells. 



FIG. 2oq. Aboral pole of Callianira (from Lang). /, supports of statoliths, o; />/>, 



pole plate; sk, sense body; to, openings of gastral funnels; ws, ciliated bands. 



