734 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. 



Red and violet: Heterometra nematodon, Heterovietra crenulata. 



Red and purple : PtUovietra macronema. 



Red and orange: Antedon iifida. 



Red and gray: Antedon mediterrnnea. 



Green and violet : Comatella stclligera. 



Green and brown: Covxanthus parvicirra. 



Brown and orange : Heliovietra glacialis. 



Orange and gray: Antedon mediterranea. 



Gray and white : Oligometrides adeonm. 



In the following species three colors occur : 



Yellow, red, and green : Comantheria hrinreus. 



Yellow, red, and orange: Antedon bifida. 



Yellow, purple, and white : Lamprometra protectus. 



Yellow, purple, and violet : Mariametra delicatissima. 



Red, white, and orange : Pterometra pulcherrima. 



Red, white, and violet: Zygometra mierod.iscus, young. 



Brown, white, and purple : Iridometra melpomene. 



In the following species four colors occur : 



Yellow, orange, white, and purple : Peetinometra favopurpurea. 



Yellow, brown, green, and white: Lampronwtra protectus. 



Yellow, brown, purple, and white : Lamprometra protectus. 



Red, brown, purple, and white : Lamprometra protectus. 



In the following species five colors occur : 



Yellow, red, brown, purple, and white: Gepliyrometra propinqua. 



Thus white occurs in combination with 



yellow, orange, red. purple, violet, black. gra}% green, brown. 

 Yellow occurs in combination with 



white, orange, red. purple, violet, black, gray, brown, green. 

 Orange occurs in combination with 



white, yellow, red, purple, gray, brown. 

 Red occurs in combination with 



white, yellow, ornnge. purple, violet, gray, green, brown. 

 Purple occurs in combination with 



white, yellow, orange, red, violet, brown. 

 Violet occurs in combination with 



white, yellow, red, purple, green. 

 Black occurs in combination with 



white, yellow. 

 Gray occurs in combination with 



white, yellow, orange, red. 

 Green occurs in combination with 



white, yellow, orange, red, violet, brown. 

 And brown occurs in combination with 



white, yellow, oi-ange. pnrjole, green. 



