OPHIUBANS OF THE PHILIPPINE AND ADJACENT WATERS. 277 



m-erguiensis Duncan as identical with O. cttiaris; I have already 

 criticized this approximation ('04a, p. 102), and I shall not return 

 to it. 



OPHIOTHRIX STRIOLATA Grube. 



Plate 33, figs. 1, 2 ; plate 34, fig. 5 ; plate 102, fig. 1. 



See for bibliography : 



Ophiothrix striolata KCEHLEB ('05), p. 76, pi. 15, fig. 9; ('07), p. 338; ('07b), 

 p. 253. H. L,. CLARK ('15), p. 279. 



Localities. Albatross station 5139; in the vicinity of Jolo; Jolo 

 Light bearing S. 51 W., 6.67 kilometers (3.6 miles) distant (lat. 6 

 06' 00" N., long. 121 02' 30" E.) ; 36 meters (20 fathoms) ; Feb- 

 ruary 14, 1908 ; co. S. 



One specimen (Cat. No. 41121, U.S.N.M.). 



Albatross station 5146; Sulu (Jolo) Archipelago, in the vicinity of 

 Siasi; Sulade Island (E.) bearing N. 18 W., 6.30 kilometers (3.4 

 miles) distant (lat. 5 46' 40" N., long. 120 48' 50" E.) ; 44 meters 

 (24 fathoms) ; February 16, 1908 ; co. S., Sh. 



Two specimens (Cat. No. E. 185, U.S.N.M.). 



Albatross station 5147; Sulu Archipelago, in the vicinity of Siasi; 

 Sulade Island (E.) bearing N. 3 E., 15.57 kilometers (8.4 miles) 

 distant (lat, 5 41' 40" N., long. 120 47' 10" E.) ; 38 meters (21 

 fathoms) ; February 16, 1908; co. S., Sh. 



One specimen (Cat. No. 41119, U.S.N.M.). 



Albatross station 5159; Sulu Archipelago, Tawi Tawi Group; 

 Tinakta Island (N.) bearing N. 82 W., 2.59 kilometers (1.4 miles) 

 distant (lat. 5 11' 50" N., long. 119 54' 00" E.) ; 18 meters (10 

 fathoms) ; February 21, 1908 ; co. S. 



One specimen (Cat. No. E. 184, U.S.N.M.). 



Albatross station 5355; north Balabac Strait; Balabac Light bear- 

 ing S. 61 W., 30.76 kilometers (16.6 miles) distant (lat. 8 08' 10" 

 N.. long. 117 19' 15" E.) ; 80 meters (44 fathoms) ; January 5, 1909; 

 Co., S. 



One specimen (Cat. No. 41123, U.S.N.M.). 



Albatross station 5401; north of Cebu; Tanguingui Island Light 

 bearing N. 79 W., 42.62 kilometers (23 miles) distant (lat. 11 24' 

 45" N., long. 124 06' 00" E.) ; 55 meters (30 fathoms) ; March 16. 

 1909 ; fne. S. 



One specimen (Cat. No. E. 186, U.S.N.M.). 



No locality. 



Two specimens (Cat, Nos. 41120, 41122, U.S.N.M.). 



Notes. The specimen from station 5146 is very typical. The disk 

 has a diameter of 13 mm., and the arms are almost 60 mm. long. 

 The radial shields are not very large, and the interradial regions of 



