732 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. 



Violet occurs in combination in the following species: 

 Comatella steUigera. Heterometra savignii. 



Zygometra niicrodiscus, young. Amphimet/'a discoidea. 



Zygovietra pristiria. Lanifrcmietra protectus. 



Heterometra neviatodon. fLamproTnetra palmata. 



Heterometra affinis. Genom^tra delicata. 



Heterometra crenulata. Cyllometra albopurpurea. 



Prometra chadwicki. 

 Green occurs in combination in the following species : 

 Comatella steUigera. C oTna^Ulivs paa^icirra. 



Capillaster clarM. Lamprometra protectus. 



Comissia j)eregrina. Dorometra mauritiona. 



Comissia Idtkeni. DoroTnetra nana. 



Comantheria binareus. Hathrometra tenella. 



Orange occurs in combination in the following species : 

 Stephanometra spicata. Antedon Tuediterranea. 



Pectinometra ftavopurpurea. Antedon adriatica. 



PteroTTietra puJ<;h.errima. Heliometra glacialis. 



Antedon bifida. Hathrometra prolixa. 



Gray occurs in combination in the following species : 

 Eomalometra denticulata. Pectinometra fxivopurpurea. 



OUgometrides adeonce. Parametra onon. 



Neometra multicolor. Antedon meditei^anea. 



Black occurs in combination in the following species : 

 Comaster parvus. Lamprometra protectus. 



C omantheina briareus. Lamprom£tra palmata. 



Cyllometra albopurpurea,. 

 In the following species but one color occurs, which, however, is variegated 

 with lighter and darker shades : 



Orange: Stephanometra spicata. 



Red: Antedon bifida, Antedon mediterranea, Antedon adriatica. 



Brown : Dorometra briseis, Hathrometra sarsii. 



In the following species two colors occur : 

 Yellow and purple : 



C omanthus solaster. OUgometrides adeonce. 



Zygometra punctata. Calometra separata. 



Dichrometra doderldni. Tropiometra picta. 



Lamprometra palmata. Eumetra chaTnberlaini. 



Cyllometra albopurpurea. Heliometra glacialis. 

 Yellow and red : 



Comatella nigra. ?C atoptometra ophiura. 



Comanthus annulata. ' C atoptometra rubrofiava. 



Catoptom,etra magnifica. Tropiometra picta. 

 Erythrometra niber. 



