STUDY OF PELOMYXA PALUSTIUS. 395 



EXPLANATION OF THE PLATES. 

 (Magnification 1000 diameters, except where otherwise specified.) 



Plate 36. 

 Fig. 1. Filaments as outgrowths from refringent bodies. Stained safranin ; 

 magnification about 300. 

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

 .'}. Rods in culture used as starting-point. About X 500. 



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



(fresh preparation). 



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



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



8-10. Three successive stages in development of single rod, in drop- 

 culture inoculated from fresh prep. 



11-13. Three successive stages in development of single rod, in drop- 

 culture inoculated from culture. 



Plate 37. 



Figs. 14-16. Pseudo-branching filaments from culture 8 weeks old. 



Fig. 17- Nodular appearance presented by refringent bodies after treatment 

 with Millon's reagent. 



Figs. 18-21. Pelomijxa palustris dividing off 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 B', a portion of second 



Felomyxa. 



(3) Fusion of A^ with B^, and withdrawal of A\ 



