72 Ef'HINODRRMA OF THE InDIAN MuSEUM, PART VII. 



seventh or eighth brachials oblong or slightly wedge-shaped, about twice as broad 

 as long, then becoming triangular, about as broad as long, and in the distal 

 portion of the arm wedge-shaped again and longer than broad, reaching a length 

 of about twice the breadth in the terminal portion. First syzygy between the 

 second and third brachials except on arms arising direct from a IBr axillary, and 

 on the exterior arms of each ray, where it is between the third and fourth; on 

 the interior arms a syzygy between the second and third brachials is often imme- 

 diately followed by another between the fourth and fifth ; the distal intersyzygial 

 interval is from three to five oblique muscular articulations. 



Mouth central ; anal tube small and inconspicuous, the anal area being no 

 larger than the other interpalmar areas. Two of the ambulacral grooves divide 

 at the mouth, as in Decametrocrinns , but in one of these the two branches join 

 again just before branching to the arms, forming a sort of ])erisomic island. 



Pi long and slender, slightly stouter basally than P.^, 15 mm. long, with 

 about forty segments, of which the first is very short, the next eight or ten about 

 as long as broad, then becoming half again as long as broad, and about as long as 

 broad again distally ; distal comb beginning abruptly, with about twelve large, 

 long, bluntly triangular teeth, which are about as long as the lateral diameter of 

 the segments which bear them, rather strongly incurved; the tooth-bearing 

 segments maintain the same general direction as the segments preceding : P.j 

 similar, but shorter, about 11 mm. long; P^ similar, but shorter, 8 mm. long, 

 with twenty-six segments ; its comb is similar to that of P, and P.^ ; P^ and 

 Pj similar to P.^; P, similar to P^, with a similar comb, but stouter basally and 

 bearing a small gonad on the third-fifth segments ; following pinnules stouter 

 throughout, but of the same length, composed of squarish segments, without 

 combs; distal pinnules slender, about 11 mm. long. 



The colour in life was bright yellow, the perisome shghtly brownish. 



Habitat. — Southern Japan. ? Ki Islands. 



Depth.— 95-106 (n40) fathoms. 



Rem.akks. — In my paper on the crinoid fauna of Japan I hsted the type 

 specimen of this species as Comatula paucicirra (i.e., rolalaria); exactly the same 

 mistake was made by Carpenter when he described his Actinometra notata in the 

 ■' PaucicuTa group," in spite of the fact that it was the same thing as his earlier 

 Act. stelligera. 



Species of the genus Cumatella always possess cirri, and the outer cirrus 

 segments always have dorsal processes ; the multibrachiate species of Comatula 

 rarely possess cirri except when very small; if they do, the outer segments are 

 always perfectly smooth dorsally, without a trace of dorsal processes. 



Carpenter depended upon the supposed presence of syzygies between the 

 ossicles of the IBr and subsequent division series to differentiate the species of 

 Comatula from those of Comatella; but these joints are not true syzygies, but 

 pseud osyzygies, and are very commonly undeveloped so that the union of the 

 elements of the IBr series in no way differs from that usually found among the 



