STUDy OF .L'J0LOiii:xA PALusTiiia. 395 



EXPLANATION OP TUB PLATES. 



(Magnification 1000 diamoters, except where otherwise specified.) 



Platk 36, 



Fig, 1. Filuirionts as outgrowths from rolVingciit bodies. Stained sal'ranin ; 

 magnification about 800. 

 2. Proximal portions of tlic same two filaments. X 1000. 

 y. liods in f;ulture used as starting-point. About X 500. 



4. Fully-developed pseudo-branchiiig system attached to refringent body 



(fresh preparation). 



5. Two-jointed rod fixed on refringent body (fresh pre]).). 



Figs. 6-7. Three- and fivo-jointed rods on refringent bodies (fresh prep.). 



8-l(J. Throe successive stages in development of single roil, in drop- 

 culture inoculated from fresh prep, 

 ll-lo. Three successive stages in development of single rod, in d)'(jp- 

 culturo inoculated from culturis. 



Pi.ATj!; 37. 



Figs. 14-10. Pseudo-branching filaments from culture 8 weeks old. 



Fig. 17. Nodular appearance j^resented by refringent bodies after treatment 

 with Millon's reagent. 



Figs. 18-21. I'elomi/xa pal'UstriH dividing oft three successive portions, in egg- 

 albumin; normal simple division. 



Plate 38. 

 Figs. 22-24. Division, and subsequent fusion with another individual. 



(1) A^ dividing-off a portion A''. 



(2) A'' independent, approaching W, a portion of second 

 I'elomf/xa. 



(3) Fusion of A'' with B', and withdrawal of A". 



LINN. .JOUTIN. — ZOOLOGY, VOL. XXTX. 28 



