MONOGRAPH OF THE EXISTING CBINOIDS. 717 



(m) Wine red, slightly lighter ventrally than dorsally; tips of the cirri 

 slightly silver. 



(n) Dark wine red. 



(o) Division series chocolate with a tinge of purple; arms dorsally reddish 

 chestnut, the margins of the brachials chocolate, ventrally, with the pinnules and 

 disk, dark chocolate; some of the pinnules dorsally dark reddish chocolate, and 

 others with areas of very light chestnut; centrodorsal dark wine red; cirri purplish, 

 darker ventrally, with silver tips.] 



Stephano7neti-a spicata. — (a) Uniform deep red-purple, except the cirri, which 

 are nearly dull yellow at the base and only dark at the tips. 



(6) Orange yellow, with the middle third of the arm orange red. 



[(c) Cream yellow, with dark brown spots on the arms. 



(d) WTiite, with dark chocolate stripes on the arms and pinnules; white areas 

 on the dorsal surface of the arms with grayish centers. 



(e) Fine reddish purple.] 



[Stephanom^tra manacaiitha. — Arms dorsally dark reddish brown with con- 

 spicuous cream-colored bands at irregular intervals, ventrally rusty red with an 

 occasional cream-colored patch; pinnules dorsally rusty brown, ventrally rusty 

 red; centrodorsal cream colored; cirri cream colored proximally, becoming gray 

 distally ; disk rusty rejd with cream-colored markings.] 



Family MARIAMETRID^. 



Pontiometra andersoni. — Purplish brown. 



Oxyinetra aranea. — Greenish yellow. 



[Dichro7netra bimaculata. — (a) Division series drab with a slightly purplish 

 wash; arms with areas of light purplish and areas of white with a tinge of purple; 

 pinnules dorsally chestnut with a tinge of purplish or white, ventrally chocolate 

 or white; centrodorsal light muddy brown; cirri light purple with white tips; disk 

 white with two chocolate papiihe on opposite sides of the central mouth. 



(Z») Arm bases dorsally very light dull orange, then lighter 'dull orange, fol- 

 lowed by alternating areas of the latter and dark reddish orange, growing slightly 

 lighter toward the arm tips; arms ventrally with alternating ill-defined areas of 

 very light orange yellow and dark reddish orange ; mouth and ainbulacral grooves 

 on the disk and arm bases bright straw yellow ; pinnules in general corresponding 

 in color to the arms, but those arising in areas of dark reddish orange have rings 

 of very liglit orange yellow; elongated oral pinnules very light orange yellow in 

 the basal half, dark reddish orange in the distal half; cirri dull orange ventrally, 

 somewhat silvery dorsally, with silvery tips.] 



Dichronvetra doderleini. — Light brownish yellow, the ventral perisome every- 

 where purple. 



Lavriprometra protectus. — {a) Rich purple, with the bases of the arms and a 

 broad distal band white; pinnules often with yellowish or rusty tips; cirri cream 

 color dorsally, deep brown ventrally. 



(h) Bright green somewhat variegatad with brown and white, and with a 

 broad band of white crossing each arm distal to the middle which is particularly 



