FESTSKRIFT KOR LILLJEBORG 12 



Explanation of the Figures. 



Plate III. 



modia and rolls from a drop of the perivisceral fluid of Echinus cscuhntits, kept for about half 

 .in hour between the slide and the cover-slip. To prevent compression, small particles of wax were placed 

 between the classes. Treated with haematoxyline in conformity to the method of Haidenhain. 



Fig. 1. Winkel, oc. 1, obj. 6. 



Figs. 2 and 3. Winkel, oc. 1, obj. 8. 



Figs. 4 and 5. Winkel, oc. 3, obj. 6. 



The figures are drawn with the aid of Abbe's camera. 



-«Qa 



