178 



ZOOLOGY 



SECT. 



(rudimentary eye). Stenocyphus is an allied form which probably is able to 

 move by creeping (looping) movements like those of a leech. Capria has no 



i.r 



FIG. iso. Tessera princeps, A, external view; B, vertical section, r/./. gastric filament; 

 ijmi. gonad ; i.r. t. inter-radial tentacle; mub. manubriuni ; ruth, mouth; p.r. t. per-radial 

 tentacle ; st. stomach ; tn. tamiole. (After Haeckel.) 



Fio. 131. Xiucernaria. A, oral aspect ; B, from the side, p. foot-gland ; 57. /. gastric filaments 

 gon. gonad ; mlh. month ; t. tentacles ; tn. tsenioles. (After Claus.) 



tentacles. The Depaxtruhe have an almost entire margin fringed with 

 tentacles. 



