MONOGRAPH OF THE EXISTING CRINOIDS. 721 



with purplish brown; cirri purplish brown, with the distal half yellow; disk 

 purplish brown, marbled with yellow in the interambulacral areas. 



Calometra discoidea. — Bright j'ellow, the cirri lighter. 



Calometra callista. — White, a broad band of deep purple in the basal third of 

 the arms and two or three narrower bands distally. 



Calometra separata. — Bright yellow, banded with purple; lower brachials 

 purple; cirri deep purple, or purple banded with white. 



Family THALASS0METRID.5:. 



Subfamily PTOOMETRlNiE. 



PtUometra niacronevia. — Purple, the cirri red. 

 Pteroraetra viagnipeda. — Brownish yellow. 



Pterometra pulchernma. — (a) Bright red, more oiange dorsally, with scat- 

 tered small white spots on the pinnules and cirri, 

 (i) Yellow brown. 



Pterometra venusta. — Dark red, the tips of the pinnules white. 

 Asterometra viacropoda. — Light brownish yellow, the cirri white. 

 Asterometra anthus. — Dull brownish yellow, the cirri almost white. 



Subfamily THALASSOMETRINiE. 



Crotalometra porrecta. — Yellow. 



Grotalometra flava. — Bright yellow. 



Oceanom^tra gigantea. — Arms light chocolate, cirri light chrome yellow. 



Cosmiometra philippinen,sis. — Bright yellow. 



Cosmiometra aster. — Bright yellow. 



StenoTtietra diadema. — Bright yellow. 



Daidalometra arachnoides. — Chrome yellow. 



Daidalomctra hana. — Bright yellow, sometimes banded with white; cirri white 

 with a few narrow bands of yellow. 



Parametra avion. — (a) Bright yellow, usually banded rather narrowly with 

 white; cirri dull greenish basally, light yellow distally, the colors separated by a 

 darker band. 



(5) Some specimens, more often the larger ones, are grayish, the distal por- 

 tion of the arms bright yellow. 



Parametra fsheri. — Arms cadmium orange, darkest on the pinnules; cirri 

 bright lemon yellow. 



Lisso7netra alb o f av a.— Jjight yellow banded with white ; cirri white. 



Aglaometra propinqua. — Yellow. 



Aglaometra eupedata. — Bright yellow, the cirri lighter. 



Thalassometra villosa. — Light yellow. 



Thalassometra lusitanica. — Bright yellow to brownish yellow. 



Thalassometra omissa. — Bright yellow. 



