Plate III. 



DAEMONELIX "BALLS." 



Figs. 1, 2, 3, 4.— Top, side, bottom, and vertical section respectively of a 

 Daemonelix ball. ^ 



Figs. 5, 6, 7. —Top, side, bottom. 

 Figs. 8, 9, 10.— Top, side, bottom. 

 Figs. 11, 12, 13.— Top, side, bottom. 

 Figs. 14, 15, 16 — Top, side, bottom. 



Figs. 17, 18, 19.— Top view, horizontal and vertical sections. 

 The centimeter scale applies to all. 



[From the collections of the Hon. Charles H. Morrill, State Museum.! 



