MONOGRAPH OF THE EXISTING CBINOIDS. 705 



(g) Proximal portion of arms dorsally orange brown, with transverse lines 

 of silver, the arms then becoming alternate arcs of silver and dark orange brown, 

 the latter becoming slightly lighter distally; pinnules in general corresponding in 

 color to the arms, but toward the arm tips becoming bright orange ; disk brownish 

 orange ; cirri deeper brownish orange, slightly lighter dorsally, with silver tips ; 

 centrodorsal silver with the center orange brown and five circular areas of the 

 same color on the margin. 



(h) Arms and pinnules crossed by transverse alternating bands of grayish 

 and brown, the colors becoming lighter toward the arm tips; disk light brown; 

 centrodorsal dark brown ; cirri dark brown with white tips. 



(i) Brown, with dark joints, orally black, silvered or frosted heavily with 

 white. 



(j) Black except for the articulations of the arms and cirri which are very 

 dark chocolate with a very slight tinge of red; centrodorsal dark chocolate; tips 

 of the cirri white.] 



Capillaster clarki. Arms and disk greenish, ornamented, the former with 

 scattered, the latter with numerous, spots and dots; pinnules greenish black with 

 a narrow white band on each segment; cirri yellow. 



Nemaster iowensis. (a) Sulphur yellow. 



(b) Rich golden brown. 



(c) Arms black, the pinnules lemon yellow at the tips, shading into black. 



(d) Nearly black. 



Nemaster discoidea. (a) Very dark gray, the pinnules whitish banded with 

 darker, the cirri whitish. 



(b) Black, the pinnules yellow. 



Comissia peregrina. Olive green, the cirri blotched with lighter. 



Comissia liltkeni. Arms dark greenish yellow, the pinnules chrome yellow, 

 (he cirri dull greenish yellow with dusky bands. 



Comissia horridus. Yellowish brown. 



Comissia hispida. Yellow. 



Comissia scitulus. Greenish. 



Leptonemaster venustus. (a) Pale yellow, yellow, or greenish yellow. 



(b) Brownish. 



(c) White, each arm with from five to seven narrow cross bands of cadmium 

 yellow ; arm tips yellowish ; cirri pale yellow. 



Subfamily COMACTINIIN^E. 



Comatula rotalaria. Purple. 



Comatula purpurea. Reddish purple. 



["(&) Olive brown to black.] 



[Comantula pectinata. Bright carmine, the pinnules with white tips.] 



Comatulella brachiolnta. Purplish red, the centrodorsal and first seven seg- 

 ments of the cirri darker and more brownish, the distal portion of the cirri 

 bright red. 



