724 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. 



Subfamily ZENOMETRIKdE. 



Sarametra triserialis. Deep purple-vinaceous, the calyx and arm bases 

 brownish. 



Psathyrometra erythrizon. Rather dark dull purple. 



Psathyrometra fragilis. Light purplish brown. 



Balanometra elongata. Arms purple, with a broad median line of white; 

 pinnules and cirri white; centrodorsal purple. 



Leptometra celtica. Green. 



Leptomctra phalangium. (a) White. 



(b) Green. 



Subfamily PEROMETEIN^E. 



Perometra diomedete. Rich reddish purple, spotted and blotched with white ; 

 division series and lower brachials white, the synarthrial tubercles purple, the divi- 

 sion series with narrow purple transverse lines ; cirri white, banded with purple. 



Young examples are lighter in color, veiy small ones being nearly all white. 



Erythrometra australis. Pale orange and yellow. 



Erythrometra ruber. Salmon red, the pinnules yellow, the cirri white. 



Nanometra bowersi, (a) Brownish yellow, the dorsal surface and the cirri 

 nearly white. 



(b) Light yellow. 



Subfamily HELIOMETRIN.E. 



Heliometra glacialis. (a) Arms brownish, the pinnules orange yellow. 



(b) Bright yellow, the basal part of the cirri ventrally and the arm bases 

 and pinnules dorsally washed with reddish purple. 



(c) Bright yellow. 



(d) Yellowish white. 



Promachocrinus kerguclensis. (a) Violet. 

 (b) Golden yellow. 



b lorometra asperrima. Yellow, the cirri whitish. 

 Florometra serratissima. Yellow, the cirri whitish. 

 Florometra perplexa. Yellow or brownish yellow, the cirri whitish. 

 Florometra marice. Clear yellow, the cirri lighter. 

 Florometra laodice. (a) Bright yellow. 

 (b) Lemon yellow; the cirri lighter. 



Cyclometra clio. Light yellow banded with white, the cirri white with occa- 

 sional narrow bands of yellow. 



Subfamily BATHYMETRIN). 



Hathrometra proUxa. Arms brownish yellow, pinnules, with the gonads, yel- 

 lowish red. disk light brown, cirri white. 



Hathrometra tenella. Dark green dotted with white, the disk grayish, the 

 cirri white. 



