﻿Explanation of Plate XLI 



(Photographs retouched by Miss Frances Wieser. The illustrations on 

 this plate are one-third smaller than the specimens.) 



Figs. 1-5. Camarocrinus ulrichi Schuchert p. 271 



(See also Plates XL-XLIII.) 

 Fig. 1. A small, somewhat elongate specimen, with the high collar 



so characteristic of this species. 35,085. 

 Fig. 2. A depressed, decidedly lobate specimen. 35,084. 

 Fig. 3. Another specimen like Fig. 2, to show the primary root and 

 its branches ; also the camarse openings between the final 

 bifurcations ; there are 9 of these openings. 35,085. 

 Fig. 4. A siliceous specimen broken open, showing the medio-basal 



chamber and 2 camarse. 35,084. 

 Fig. 5. A weathered specimen, showing the porous nature of the in- 

 terior walls. 35,085. 



Fig. 6. Camarocrinus ulrichi stcllifer n. var p. 271 



(See also Plate XL.) 

 The surface of a crushed specimen ; the holotype, 35,088. 



