The Crixoids FRdjr Dr. S. Bock's Kxi'Ei>rrtox to Japax 1!M4. (i7 



Td (his spi'eies beloiiiz; a iiuinhei' of yoim<2; Inims wiih X- XII 

 ui-iiis. of wliirh 1 tlesei'ibe a speciinen from Si. 4(i: 



Sp. 4 (St. 40) Cd almost liidclen by Ciiri. C XXIII 1(1—14; 

 ;^ — 7 mm. h' segmeiU shoi'l. 2'' cubical and hoiir-glass-sliapcd. 8'' seg- 

 mcii( L I ' 2 br, 4"' L = 2 X hr. strongly hour-glass-shaped, then 

 shorlei- segments. Antepenultimate one L I ' 4 lir. Opposing spine 

 h = ' s of the br of the semiient. Terminal claw a litlle shorter tiian 

 the preceding segment. 



R — s rounded, smooih. disto-laterally \Nell separated. I Hr 1 

 li ^ ' :i br. united with I Brax in syzygial ai-ticulation. 1 Br 2 h = ' 2 In-. 

 Kxample of syzygies: 3 + 4-, 10 - II etc. with an inter\al of (i oblicjue 

 articulations. II Br-s 2 (a vei'y young regenerate). Arms Xll, 8.') — 40 

 mm., slendei'. The segments smooth, rather long, and a little hour- 

 glass-shaped. The arm-bases well separated, leaving broad spaces 

 of the perisome visible. 



P, 22: 4 nun.. P., 20: 4,-2— 5.:, mm.. P., 19; 4,3 mm., P^ IT); :{.« mm., 

 P,; :> lum. liasal segments with weak ])i'ominences. The L of the 

 distal segments = 2 X br. Distal p. IS; .") mm. \\ith \'ery Imig pinmi- 

 lars, L = 4 — 5 X br. 



Disk incised, with calcareous granules at the amluilacral fmi-dws. 

 Aiuil cone long, narrow, l,r. nun. 



S/i. ■') (St. 47) 1 lir 1 h = '2 bi-. Syzygies with an inlcr\al id' 

 8 — 4 obli(|ue ai'ticulatioiis. Otherwise as foi' the folbiwing sp. see the 

 s(dieme p. 27. 



Sji. (St. 47) I Br 1 h = '^ 4 br. Syzygies^ \\ itli an iiiterxal (d' 

 4 — 8 oblique articulations. 



Sp. 7 (St. 47) 1 Br 1 h = ' 2 br. Syzygies with an interval (d' (i 

 obli(|ue articulations. P,., 14: 8... mm. Disk ^>lean», incised 2 — ',i nun. 

 Anal funiud 1,:. mm. 



.Sp. 8 (St. ()1) I Br 1 h = ' 2 br. Syzygies with an iidci\al (d' 

 5 — 7 oblique articulations. In these snudl specimens the prouunences 

 on the |)roximal p-s are indisct'i-nible. 



TIk; above-ilescril)e(l specimens differ from 0. )iiii(/iii/lc(i, by haxing 

 fewer arms, shorter cirri, aiui very much shoi-ter |)roxinud piiuudes. 

 These differences are also to be h)und in specimens in Di'. Moktexskn's 

 cidlectidu. and tbercd'oic 1 wish to sepaiate the form as a new \ai-iety: 

 III ill or. 



