MONOGRAPH OF THE EXISTING CRINOIDS. 713 



with spermatoza ; centrodorsal cream white, surrounded by light brown ; disk 

 silver with light brown and black specks.] 



Comanthus paruicirra. (a) Dark purple. 



(b) Bright yellow brown; in some cases this is much darkened and has a 

 greenish cast ; rarely the tips of the pinnules are green or greenish yellow. 



(c) Deep olive brown, the pinnules tipped with yellow. 



(d) Brown, the pinnules green. 



(e) Orange. 



(/) Kose red and white. 



[(g) General color bright canary yellow; dorsal surface of the arms with 

 a central and two lateral lines of dark brown; brown transverse lines at the 

 articulations ; tips of the pinnules dark prussian blue. 



(A) Greenish yellow and rich reddish purple. 



(i) Arms red, the pinnules deep yellow; a broad white band across the bases 

 of the arms dorsally and others at irregular intervals distally. 



(j) Arms dorsally at the base yellow with dark brown longitudinal bands 

 and spots, becoming distally yellowish green, ventrally olive with a median line 

 of dark brown; pinnules dorsally banded with brown and yellow, ventrally dark 

 brown with yellow transverse bands and near the base olive green patches ; centro- 

 dorsal with yellow and brown spots; cirri banded brown and bright yellow; disk 

 very dark brown with yellow and a few green areas. 



(k) Delicate gray. 



(I) Grayish. 



(TO) Rather grayer than usual on the ventral surface. 



(n) Grayish brown with yellowish arm tips. 



(o) Arms dorsally whitish, the joints and syzygies dark brown, ventrally 

 delicate wood brown, most of them darker at the base ; cirri yellow, banded with 

 dusky. 



(p) Light grayish brown. 



(q) Light wood brown. 



(r) Very brown. 



(s) Entirely chocolate. 



(t) Dorsal surface dull whitish or pale grayish brown with each joint and 

 syzygy black, the ventral blackish; pinnule segments almost white; cirri pale 

 yellowish. 



(u) Arms dorsally black, becoming olive distally, ventrally black; disk black 

 over olive; centrodorsal light olive; cirri olive with cream-colored tips. 



(v) Entirely deep blackish brown except the cirri, which are slightly silvery 

 distally with silver tips.] 



Family ZYGOMETRID^. 



Zygometra microdiscus, young. (a) Whitish, marked with narrow irregular 



bands and spots of bright red ; cirrus segments violet, distally bordered with white. 



(b) Spotted with red violet and with broad white cross bands: cirri as before. 



