OPHIURANS OF THE PHILIPPINE AND ADJACENT WATERS. 339 



Albatross station 5218; between Burias and Luzon; Anima Sola 

 Island (E.) bearing N. 10 W., 3.70 kilometers (2 miles) distant 

 (lat. 13 11' 15" N., long. 123 02' 45" E.) ; 37 meters (20 fathoms) ; 

 April 22, 1908; crs. S. 



One specimen (Cat, No. 41291, U.S.N.M.). 



Albatross station 5555; Jolo Island and vicinity; Cabalian- Point 

 (Jolo) bearing N. 50 W., 6.11 kilometers (3.3 miles) distant (lat. 

 5 51' 15" N., long. 120 58' 35" E.) ; 62 meters (34 fathoms) ; 

 September 18, 1909 ; crs. S. 



One specimen (Cat. No. 41292, U.S.N.M.). 



Notes. The synonymy of this species was cleared up in 1909 by 

 H. L. Clark, who showed that O. liitkeni Loriol is not different from 

 O. spinosa, and must laspe into synonymy, and that, on the other 

 hand, contrary to Liitken's opinion, Ophiopeza fallow Peters is dif- 

 ferent from this latter, and must be placed in the genus Pectinura, 

 as H. L. Clark redefined it. There remain in the genus Ophiopezella^ 

 therefore, only tw r o species 0. spinosa, characterized by the very 

 numerous (12 to 14) arm spines as well as by its brown coloration, 

 and O. dubiosa Loriol, with only nine spines and gray in color. This 

 latter is as yet known only from Mauritius, while O. spinosa hafc 

 been met with in various localities the Tonga Islands, the Fiji 

 Islands, Amboina, the Society Islands, the island of Nusa Laut 

 (Siboga collection), etc., regions to which must be added the three 

 localities listed above. It scarcely seems to reach beyond littoral sta- 

 tion; the Siboga found it in 46 meters (25 fathoms) and the Alba- 

 tross (station 5555) in 61 meters (33.5 fathoms). 



The three Albatross specimens are well characterized, and their 

 color is brownish gray, with darker annulations on the arms; the 

 diameter of the disk varies between 7 mm. and 8 mm. 



OPHIARACHNELLA GORGONIA (Miiller and Troschel). 



See for bibliography: 



Pectinura gorgonia, KCEIILEE ('05), p. 8. H. L. CLABK ('08), p. 2S9. 

 KOCHLER ('07). p. 284; ('07b), p. 243. MACINTOSH ('11), p. 157. 



Ophiarachnella gorgonia II. L. CLABK ('09), p. 123; ('15), p. 305. MAT- 

 SUMOTO ('IT), p. 323. 



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

 Tawi Tawi Group ; Observation Island bearing N. 70 W., 11.86 kilo- 

 meters (6.4 miles) distant (lat. 4 58' 20" N., long. 119 50' 30" 

 E.) ; 16 meters (9 fathoms) ; February 24, 1908; Co. 



One specimen (Cat. No. E. 223, U.S.N.M.). 



Albatross station 5558; Jolo Island and vicinity; Cabalian Point 

 bearing S.. 2.04 kilometers (1.1 miles) distant (fat. 5 51' 33" N., 



