262 



CCELENTERATA, 



Fig. 219. 



Fig. 220. 



/" '7-r. 



Fig. >nr. 



Fig. f?l!l.— Swimming; plato and epithelial onshinn. CVftor Chun.) 



Fig. 2:iO.—7-{iir)iilii}i<>rii jdiniiosa. (After (.'hnii.) 



Fig. )i2^.—P}nmihrac]ii(i rhixUulartiihi. (Afti-r Clnin.) .1, abural pole; H. front, C. side 

 view. MM, sagittal axis; TT, transverse axis; c.<i<h\ radial vessel ; »■."-, inter- 

 radial vessel; c.pr, riRlit and left ij::Lslr(tvascnlar trunks; r.c. opening: of funnel 

 vessel; f/, subcostal vessel; )», "■ stnnvudi ' ; iinj, paragrastrie canals; h. ciliated 

 Krooves ;' vr, sense body ; o, mouth ; cr, ova.ry ; p, pole-plate ; 7-.?-^, rows of combs ; 

 srh, tentacular pouch ; .sr/i.s, its aperture ; s/i, testes ; lb, Invsis of tentacle ; tg- sc/i, 

 tentacular canal; (r, funnel; trg, funnel canal. 



