DISCOVERY REPORTS 



Fig. E 



1. Anseropoda antarctica; an abactinal granule o-i8 mm. long, x 200. la. Dorsolateral plates adjacent to 

 adradials (/3Z)) seen from coelomic side, x 30. ib. One of the dorsolateral plates to show internal process, 



X40. \c. Actinal spinelet, 0-37 mm., x 100. 



2. 7?/;o/)/>//a y^oe/?/m; primary abactinal spinelet, 1-2 mm. long, x 50. za. Secondary abactinal spinelet, 

 0-9 mm. long, x 50. 2b. Terminal part of a primary spine, x 100. 2C. Sixth adambulacral plate of type 

 showing adoral face of web, furrow on right, x2o; AC, actinal spine, zd. Excised adambulacral plate, 

 adoral face showing relation of spines to the web. 



3. Lophaster stellans, St. 81; superomarginal spinelet 1-25 mm. long, x 100. 3«. Three abactinal paxillar 

 spinelets, 0-85, 07, o-86 mm. long, x 100. 



4. Lo/)/iaj/£'r (/f/wiw; abactinal spinelet 0-34 mm., x 100. 4a. Concave side of tip of an abactinal spinelet, 

 X 200. 46. Largest and smallest inferomarginal spinelets of same paxilla (0-63 and 0-32 mm.), x 100. 



4c. Inner subambulacral spinelet at base of ray, 1-17 mm. long, x 50. 



