A MONOGRAPH OF THE EXISTING CRINOIDS 197 



A specimen from Investigator station 387 with 15 arms has 1 of the 5 IIBr series 2, 

 the other 4 being 4 (3 + 4). 



P. H. Carpenter noted that this species sometimes has a double opposing spine. 



Localities. — Hulule, Male, Maldive Archipelago [Bell, 1902; A. H. Clark, 1913] 

 (1, B. M.). 



Ceylon; Doctor Sarasin [Reichensperger, 1913]. 



Ceylon Pearl Oyster Fisheries station XLI; south of Galle, Ceylon, about 12 

 miles from land; about 183 meters; bottom masses of branched and ramifying 

 foraminifcral tubes [Chadwick, 1904]. 



Investigator station 152; 11.5 miles S. 83° W. of Colombo Lighthouse, Ceylon; 

 48 meters; sand, shells, and coral; December 12, 1893 [A. H. Clark, 1912] (2, U.S.N.M. 

 34837, 34901). 



Ceylon Pearl Oyster Fisheries station LIII; Gulf of Manaar; 10-12 miles north 

 of Cheval Paar, and about 12 miles due west of Vankali (or BangaUi) Church; 14-16 

 meters; muddy sand with some dead shells [Chadwick, 1904]. 



Ceylon Pearl Oyster Fisheries station IX; Gidf of Manaar; in the southwest 

 corner of West Cheval Paar, about 12 miles from land; 13 meters; bottom tem- 

 perature 25.56° C; specific gravity 1.023; bottom fine quartz gravel, nullipore con- 

 cretions, and many dead young pearl oyster shells [Chadwick, 1904]. 



Tuticorin, Madras Presidency; E. Thurston [Bell, 1888; Thurston, 1894; A. H. 

 Clark, 1913] (2, B. M.). 



Ceylon Pearl Oyster Fisheries station LXVI; west coast of Ceylon from south 

 of Donnan's Muttuvaratu Paar along the west of the northern part of Mutwal 

 Island as far as off MudalaikuU Paar; 18-64 meters; nullipore and orbitolites sand 

 with some red algae and dead coral [Chadwick, 1904]. 



?India (probably Ceylon) [A. H. Clark, 1912] (5, I. M.). 



Trinquemale, northeastern Ceylon; M. Reynaud, 1829 [J. Miiller, 1849; P. H. 

 Carpenter, 1879, 1888; A. H. Clark, 1911; locahty given by the two last as Sunda 

 Strait] (3, P. M.). 



Investigator; Arrakan coast, Burma [A. H. Clark, 1912] (2, U.S.N.M., 34860, 

 34875). 



Investigator station 387; off Cape Negrais, Burma, southwest of the mouths of 

 the Irrawaddy River (lat. 15° 25' N., long. 93° 45' E.) ; 73-89 meters; sand and coral; 

 November 16, 1909 [A. H. Clark, 1912] (3 U.S.N.M., 34864, 36082, 36298). 



Investigator; 8 miles west of Inter\'iew Island, Andamans; 82 meters [A. H. 

 Clark, 1912] (1, U.S.N.M., 34940). 



Investigator; off Rutland Island, Andamans; 64 meters [A. H. Clark, 1912] 

 (1, I. M.). 



Investigator station 239; west of South Andaman Island (lat. 11° 49' 30" N., 

 long. 92° 55' 00" E.); 100 meters; sand and stones; April 14, 1898 [A. H. Clark, 

 1912] (4, U.S.N.M., 34821; I. M.). 



Investigator; Andaman Islands [A. H. Clark, 1912] (9, U.S.N.M., 34862, 34863, 

 34867, 34869, 34870, 34871; I. M.). PI. 3, fig. 5. 



Investigator; east of the Terribles (about 30 mUes SE. ji S. from the south point 

 of Western Borongo Island, Burma) (lat. 19° 27' N., long. 93° 18' E.); 24 meters 

 [A. H. Clark, 1912] (3, U.S.N.M., 34835, 34836, 34941). 



