PART 5 A MONOGRAPH OF THE EXISTING CRINOIDS 167 



imen from Cape Sima, Japan, though small, seems to be much more like the type, with 

 the brachials and pinnide segments spinous and the cirrus segments flared. The oppos- 

 ing spine is quite well developed (fig. 11a, p. 175) as compared with the San-Tu speci- 

 mens cirri (fig. lib). 



In 1948, Feng-Ying Chang gave a full description of some specimens from Tsing- 

 tao, China. These have the centrodorsal hemispherical, with XL to LV cirri, about 

 8 mm. long, arranged in two or three irregular whorls, leaving a small naked dorsal 

 pole. Each cirrus consists of 10 to 14 segments, the first two of which are very short. 

 The fourth and following segments are a little constricted in the middle; the distal 

 ends of the segments are slightly expanded and a little produced ventrally. Their 

 surface is smooth. The terminal claw is narrow, curved, about equal in length to 

 the preceding segment. 



The radials are concealed. The a.xillaries are triangular, about twice as wide 

 as long. 



The ten arms are smooth, 30 to 65 mm. long. 



Pi is very variable in length (10 to 12 mm.) and in number of segments (18 to 25); 

 the first two segments are very short but the following ones become two to three 

 times as long as wide. The distal ends of the segments are slightly widened, turned 

 outwards, produced dorsally and provided with fine spines. The surface of the seg- 

 ments is very rough. 



P2 is similar to Pi but considerably shorter (3 or 4 mm. long), consisting usually 

 of 8 to 10 segments. 



From the middle of the arm distally, the pinnules become more slender and the 

 projections on the distal ends of the segments gradually disappear. 



P3 and the following pinnules bear gonads. 



The disk is about 3 mm. in diameter. 



The color in alcohol is yello^vish brown, the arms and pinnules often banded 

 darker and the cirri whitish. 



Localities. — Golden Hind; Tokyo Bay; 15-22 meters; October 22, 1899 [A. H. 

 Clark, 1908] (2, U.S.N.M., 35G35 [Owston coll. 5361]; M.C.Z. 254, the holotype, 

 [Owston coll. 5363]). Type locality. 



Misaki, Sagami Bay; from about low tide mark to somewhat deeper water 

 [Mortensen, 1920] (1). 



Dr. Sixten Bock's station 3; Misaki; on the shore at low tide; May 5, 1914 [Gislen, 

 1922]. 



Dr. Sixten Bock's station 21; Misaki; on the shore at low tide; May 28, 1914 

 [Gislen, 1922]. 



Dr. Sixten Bock's station 25; Misaki; on the shore at low tide; June 13, 1914 

 [Gislen, 1922]. 



Dr. vSLxten Bock's station 26; Misaki; on the shore at low tide, on corallines; 

 June 14, 1914 [Gislen, 1922]. 



Dr. Sixten Bock's station 23; Misaki; on corallines; June 5, 1914 [Gislen, 1922]. 



Dr. Sixten Bock's station 22; Misaki; 0-2 meters; May 28, 1914 [Gislen, 1922]. 



Dr. SLxten Bock's station 2; Aburazubo, Sagami Bay; 2-3 meters; April 19, 

 1914 [Gislen, 1922]. 



Dr. Sixten Bock's station 1; Shimonoseki; on the shore at low tide; March 30, 

 1914 [Gislen, 1922]. 



