A MONOGIUPH OF THE EXISTING CRINOIDS 515 



broader than long. But the terminal 9 or 10 are abruptly shorter than those pre- 

 ceding, tAvice as broad as long, or even broader. These short distal segments, as in 

 the type specimen, have a polished surface in contrast to those preceding, which have 

 a dull surface, and they bear dorsally a low, rounded, and obscure hump which 

 becomes more evident toward the end of the cirri. 



All of the IIBr series are 4 (3 + 4). Of the lIIBr series 2 are 4 (3+4) and 18 

 are 2. Of the IVBr series 6 are 4 (3+4) and 2 are 2. The division series are rather 

 broad, though not in lateral contact, and are well rounded dorsally. 



The 48 arms are about 110 mm. long. 



The disk is 30 mm. in diameter. The color in alcohol is a uniform deep yellow 

 brown. 



Localities— Canton, China; Werner [P. H. Carpenter, 1882, 1888; A. H. Clark, 

 1912, 1918] (1, H. M.). PI. 59, figs. 167, 168. 



Fuchow, Province of Fokien, China; Consul G. Siemssen, April 4, 1906 [A. H. 

 Clark, 1912] (1, H. M.). PI. 60, fig. 170. 



Fuchow, China [A. H. Clark, 1912] (1, H. M.). 



History. — This species was originally described in 1882 from a specimen from 

 Canton in the Hamburg Museum by Dr. P. H. Carpenter. In 1912 I recorded 2 

 other specimens from Fuchow in the same museum. 



COMANTHERIA IMBRICATA (A. H. Clark) 



Plate 29, Figure 87; Plate 62, Figure 173 

 [See also vol. 1, pt. 2, fig. 246 (arm), p. 199] 



ComasUr imhricata A. H. Clark, Proc. U. S. Nat. Mus., vol. 34, 1908, p. 306 (description; 35° 06' 

 N., 139° 42' E., 50 fathoms); p. .506 (listed). 



Comanihxts imhricata A. H. Clark, Zool. Anzeiger, vol. 34, Nos. 11-12, 1909, \i. 366 (compared with 

 C. hriareus). 



Comanlhus (Comanthus) rotalaria (part) A. H. Clark, Vidensk. Medd. fra deii naturhiat. Forening i 

 K0benhavn, 1909, p. 145 (off the Goto Is.). 



Comantheria imhricata A. H. Clark, Proc. Biol. Soc. Washington, vol. 25, 1912, p. 22 (compared 

 with C. weberi); Crinoids of the Indian Ocean, 1912, p. 91 (synonymy; southern Japan, and off 

 the Goto Islands; but not the specimen from Futschau, which is C. grandicalifx) ; Proc. Biol. 

 Soc. Washington, vol. 26, 1913, p. 178 (eastern Asia; probably Korean Straits); Journ. Wash- 

 ington Acad. Sci., vol. 5, No. 6, 1915, p. 214 (southern Japanese species; range and its signifi- 

 cance); Unstalked Crinoids of the Sihoga Exped., 1918, p. 43 (in key; range). 



Comantheria grandicalyx Gisl£n, Nova Acta reg. Soc. sci. Upsaliensis, ser. 4, vol. 5, No. 6, 1922, 

 p. 39 (Bock's station 52; notes); figs. 30, 31, p. 44; Zool. Bidrag fr&n Uppsala, vol. 9, 1924, p. 77 

 (syzygics); fig. 65, p. 75 (syzygial faces). 



Comantheria grandicalyx var. flagellipinna Gisl^n, Nova Acta reg. Soc. sci. Upsaliensis, ser. 4, vol. 

 5, No. 6, 1922, p. 41 (Bock's stations 51, 92; notes); p. 182 (Bock's station 51 A, but not 51); 

 fig. 32, p. 44. 



Diagnostic features. — The centrodorsal is large, thick discoidal, and bears a 

 moderate number of fairly stout cirri with usually about 25 (22-30) segments which 

 are mostly about 25 mm. (20-30 mm.) in length, and are about one-third of the arm 

 length. The arms are 30-68 in number. The division series are narrow and strongly 

 convex dorsally, and their component ossicles have everted and spinous distal edges. 

 The brachials have stronglj' produced and spinous overlapping distal edges. 



