A MONOGRAPH OF THE EXISTING CRINOIDS 73 



Monackonetra cf. fra g U t s G»** Zoo!. Bidrag Uppsala, vol. 9, 1924, pp. 44, 51; fig. 14, p. 48 (base of 



PeJZTrfctZn^G^,, Zoo.. Bidrag Uppsa.a, vol. 9 1924, p. 80 (note <-^**£"»- 

 P Zmelra carinata Qm*M, Vid. Medd. Dansk Naturh. Foren. ^^J^^'^J 

 (station 9; 162 meters), p. 34 (station 9; description; comparisons) p. 68 (listed) < figs. 24, 25, p. 37, 

 pi 2 fig. 84; Vid. Medd. Dansk Naturh. Foren. K benhavn, vol. 93 1933, p. 481 

 lj££2. Mi GtaBto, Vid. Medd. Dansk Naturh. Foren ^benhavn voL 8 M«7 M 

 (station 9; 162 meters), p. 35 (station 9; description; comparison ; , p. 68 (h.ted), figs . 26, 27, p. 37, 

 pi 1 fig 83; Vid. Medd. Dansk Naturh. Foren. K0benhavn, vol. 93, 1933, p. 481. 

 pi. l, ug. oo, v Hnnsk Naturh Foren. K0benhavn, vol. 83, 1927, p. .58 



Monachometra fragdis Gislen, Vid. Medd. Dansk . iNauirn. rue *. 



(comparisons) ; Kungl. Fysiograf. Sallsk. Handl., new ser., vol. 45, No. 11, 1W4, pp. is, 



DuHmorfic /eafures -The arms beyond the proximal more or less oblong brachials 



are dfsS tly carinate ; the cirri are short, about one-fifth of the arm length with usually 



20-25 egmen s of which the eighth is a transition segment and the distal are broader 



than Ion Z th strong carinate processes or blunt dorsal spines; and the lateral portions 



f th dfvSon serJand first two brachials may be unmodified or ^£»££ 



sively irregularly tubercular, with or without a fine median raised line. The 10 18 arms 



are 125-140 mm. long, and the cirri are 20-25 mm. long. ,...., .., fl flot 



DescrirZn oj th type specimen.-The centrodorsal is a thick disk with the flat 



and somewhat roughened dorsal pole broad, 4 mm. in diameter and the sides practically 



vertfeat The cimis sockets are arranged in 15 closely crowded columns of one or two 



CaCh The cirri are XXI, 15-25, from 20 to 25 mm. long, almost or quite straight in the 

 Tin the preceding though with the curvature somewhat less pronounced; he fourth s 



duU surf.ee hke th.t of the segments preceding but „ W-"*^ ^ 

 is very light with • polished surl.ee like the followmg segments The cur, .re sto 



curved convexity from the proximal to the dBtal e ™ ^ l • bc produce d into a 

 beyond the base of the segment next following ^ j£» . , r n nal e l C vation 

 short sharp point. The opposing spine is represented by a low 



