MONOGEAPH OF THE EXISTING CRINOIDS. 723 



Very young comatulids retain the original sulphur yellow color toward the 

 ends of the arms, the proximal portion of the arms and the body assuming the 

 characteristic red of the adults. 



According to Hassall, the markings and coloring of young specimens are very 

 beautiful and delicate, very different from the coarse red which distinguishes them 

 when mature. 



Antedon mediterranea. (a) Chocolate brown (recorded from Naples). 



(6) Carmine. 



(c) Bed. 



(d) Orange. 



(e) Chrome yellow. 

 (/) Bright yellow. 

 (g) Gray. 



(h) Red, with gray or white spots (the only color type recorded from Villa- 

 franca). 



(i) Orange, with gray or white spots. 

 Antedon adriatica. (a) Brownish. 

 (6) Purple red. 



(c) Red (the majority) . 



(d) Yellow. 



(e) Sulphur yellow. 



(/) Red, of various hues, spotted with lighter. 



(g) Sulphur yellow, banded with white. 



Toxometra paupera. (a) Uniform dark purple. 



(&) Brownish yellow, with the perisome dark brown. 



Iridometra melpomene. Light yellow brown, the sides of the arms and of 

 the division series and the cirri white, the perisome dark purple. 



Eumetra chamberlaini. Brownish yellow, the cirri and pinnules blotched with 

 purple. 



Dorometra mauritiana. Grayish green spotted with white. 



Dorometra nana. (a) Dull green, spotted and blotched with white. 



(b) Purplish black with light brown cirri. 



[(c) Dark chocolate, with markings of very light chestnut on the cirri and 

 disk, and the tips of the pinnules very light chestnut, especially near the ends of 

 the arms.] 



Dorometra briseis. Light yellowish brown, with broad bands of darker yellow 

 brown on the arms. 



Annametra occidentalis. Uniform brownish yellow with olive green spots. 



Subfamily THYSANOMETRINjE. 



Thysanometra tenelloides. Grayish brown, the dorsal surface and the cirri 

 nearly white. 



