MONOGRAPH OF THE EXISTING CRINOIDS. 713 



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

 silver with light brown and black specks.] 



Comanthus pai'vicirra. — {a) Dark purple. 



(6) 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. 



{h) 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. 



{]) Arms dorsally at the base yellow with dark brown longitudinal bands 

 and spots, becoming distally j'ellowish green, ventrally olive with a median line 

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

 brown witli 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. 



(Z) Grayish. 



(m) Eather grayer than usual on the ventral surface. 



(?i) Grayish brown with yellowish arm tips. 



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

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

 duslty. 



{p) Light grayish brown. 



{q) Light wood brown. 



(r) Very brown. 



(,5) 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. 



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

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



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

 distally with silver tips.] 



Family ZYGOMETRID^. 



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



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



(?>) Spotted with red violet and with broad white cross bands; cirri as before. 



