HOLOTRICHA 



583 



cleus bandform, moniliform or divided into numerous independent 

 bodies; fresh or salt water. Many species. 



D. americanus Kahl (Fig. 277, h). Proboscis bent dorsally sickle- 

 like; macro nucleus made up of 2 sausage-shaped or often horseshoe- 



FiG. 277. a, Trachelius ovum, Xl30 (Roux); b, Dileptus americanus, 

 X250 (Kahl); c, D. anser, XSIO (Hayes); d, Paradileptus conicus, X340 

 (Wenrich); e, P. robustus, X340 (Wenrich); f, Branchioecetes gammari 

 X200 (Penard); g, Loxodes vorax, Xl90 (Stokes); h, L. magnus, X80 

 (Kahl); i, j, Remanella riigosa (i, dorsal side, Xl30; j, anterior part show- 

 ing the endoskeleton) (Kahl). 



