The ('kinou)s krom Dr. S. Hock's I']xi>eiiiti().\ to Jaiwx |!»N. 2!i 



Sp. 13 (St. 47) 1 Br I as in the preceding specimen. 



Sp. U (St. 47) I Br I li = ' s br: Br 1 and 2 each h = ',4 x br. 

 P, with about 25, P,, with 20 segments. This and the two following 

 specimens young individuals with gonads only slightly prominent. 



Sp. 15 and 16 (St. 47) I Br 1 h = "3 br. Cd 1,8 mm. 



Sp. 17 (St. 55) Whh genital glands well developed like both the 

 following specimens, 



Sp. 18 and 19 (St. 55) I Br 1 almost completely hidden. 



Sp. 20 (St. 55). Fixed on a worm-tube. Sp. 21 and 22 (St. 55) 

 Pinnules a little swollen by genital glands. 



Sp. 23 (St. 55) P2 sometimes lacliing. ,S/). 24 (St. 55) I^ — s some- 

 what visible. I Br 1 h = ' 6 X br. 



Sp. 25 (St. 55) R — s narrow bands. 1 Br 1 h = ' e X br. 3'' eirral 

 the longest L = 3 ',2 br, Antipenultimate eirral L = 1 '/3 x br. P., 

 lacking. 



Sp. 26 (St. 55) Pinnules genitally swollen. Sp. 27 (St. 55) Anti- 

 penultimate eirral L = 1 ' -^ X br. I Br 1 h = 's X br. 



Sp. 28 (St, 61) R— s concealed, I Br 1 h = '/4 br. Syzygies with 

 an interval of 3 oblique articulations, Pg inconspicuous or lacking, 



Sp. 29 (St. (il) I Br 1 h = '/2 X br. P.,— P^ lacking. 



As is evident from the comparison given above, the number of 

 ciri-i varies between XII and XX (usually XV — XVI) and the number 

 of eirrals between 8 and 12 (usually 9—10). The specimens seem to 

 be mature at an arm-length of 25 — 30 mm., as in such specimens the 

 pinnules are strongly swollen, but even with shorter arms the genital 

 gland is quite visible. All specimens with complete piiinulation have 

 combs on P, and P., but no teeth on P.j. The number of teeth varies 

 between 7 — 10 and is usually S. — It is interesting to observe the 

 relation between the length and bi-eadth of the most ])roximal Br-seg- 

 ments. The smallest specimens (e. g. Sp. 25 and 2i>) have the R— s 

 plainly visible. 1 Br 1 is i-ather long in minor specimens (h = ',2 — 

 Va X br), but becomes moi'e and moi'c short during growth (in full- 

 grown specimens the h is ^ ' « — ' s a bi' or the ossicle is almost 

 completely hidden by Cd), The length of the axillary also usually 

 decreases (from L = ^3 to ' s X br) but is never hidden by iW. 



The specimens approach C. ignota, fi-om which they differ by 

 having, on an average, more cirri, by some differences in the condi- 

 tions of length of the ciirals, by smaller size etc. 



