J I II I BULLETIN 82, UNITED STATES NATIONAL MUSEUM 



1', is siiniliir in form but slightly Bhorter, with about 15 segments. P 3 , in common 

 with Pi, after the third or fourth segment begins to taper rapidly and becomes more 

 flagellate, l>ut it is rather rigid and is almost as long as P 2 ; it is composed of about 22 

 segments. V, is small and slender, only about one-third as long as P 3 . The other 

 characters agree entirely with those given by Ilartlaub. The close placing of the 

 short distal pinnules is especially striking. The color, as preserved, is ventrally dark 

 red-brown, P, to P« being lighter. The cirri and the proximal portion of the arms is 

 liLrht brown, the arms becoming almost black distally. 



In the second specimen from Ceylon the centrodorsal is thick with the dorsal 

 pole rather large and concave. The cirri are arranged in two rows. The cirri are 

 XXX II, 28-30, up to 35 mm. in length. As in the other individual the segments in 

 the middle portion of the cirri are somewhat longer than broad — relatively slightly 

 longer in tins specimen than in the other. The 38 arms are about 80 mm. long. 

 Their structure is the same as in the other. A number of arms are regenerating at 

 the syzygy between brachials 3+4. In three cases an axillary is regenerating, and 

 in five cases a new arm without an axillary. P D and Pi are relatively a little more 

 slender than in the other specimen and not quite so straight and stiff; they are com- 

 posed of 18 and 15 segments, respectively. The other characters are as given in the 

 other individual. Unfortunately the pinnules are in part defective. The color is 

 dark brown, almost blackish. 



Localities. — Albatross station 5165; Tawi Tawi group, Sulu (Jolo) Archipelago; 

 Observation Island bearing N. 70° W., 6.4 miles distant (lat. 4° 58' 20" N., long. 

 119° 50' 30" E.); 16 meters; coral; February 24, 1908 [A. H. Clark, 1908, 1912, 1913; 

 Reichensperger, 1913] (1, U.S.N.M., 25439). 



Macclesfield Bank; 57-66 meters; H. M. S. Penguin [Bell, 1894; A. H. Clark, 

 1908, 1912, 1913] (1, B.M.). 



Albatross station 5044; Buton Strait, off southeastern Celebes; Makasser Island 

 (E.) bearing N. 4° E., 1.3 miles distant (lat. 5° 27' 24" S., long. 122° 38' 00" E.); 

 40 meters; December 16, 1909 (1, U.S.N.M., 35971). 



Moluccas; H. C. Macklot [P. H. Carpenter, 1881; A. H. Clark, 1911, 1912, 1913] 

 (I.L.M.). 



Amboina; Dr. J. Brock [Ilartlaub, 1890, 1891; A. H. Clark, 1912, 1913]. 



Kei Islands; Nuhu-Tawan, northern coast of Little Kei; Dr. H. Merton, June 

 16, 1908 [Reichensperger, 1913; A. H. Clark, 1918]. 



Off Ellison Reef, outer Great Barrier Reef, Queensland; 9-27 meters; Surgeon 

 Lt. Comdr. W. E. J. Paradice, H. M. S. Geranium, August 1924 [H. L. Clark, 1926]. 



Biliton, Sunda Islands; M. Korotnev, 1885 [Kochler, 1895; A. H. Clark, 1913]. 



Akyab, Burma [Hartlaub, 1890, 1891; A. H. Clark, 1911, 1912, 1913] (1, H.M.). 



Ceylon; Doctor Sarasin [Reichensperger, 1913; A. H. Clark, 1918]. 



Geographical range. — From the Philippine Islands and the Macclesfield Bank 

 southward to the Moluccas, the Great Barrier Reef, and the Kei Islands and westward 

 to Ceylon. 



Bathymetrical range. — Littoral and down to 57 (?66) meters. 



Remarks. — Although all the specimens listed appear to be conspeciiic, there is 

 considerable variation in the enlarged proximal pinnules. The segments of these 

 pinnules are smooth and cylindrical with unmodified distal ends in the type of Car- 



