398 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



which it recalls in the characters of the ventral surface of the disk, 

 but it is immediately distinguished from it by the more numerous arm 

 spines and by the also more numerous dorsal plates of the disk. When 

 the arm spines reach the number of eight or nine the new species 

 might be confused with 0. lymani, but the large ventral plate which 

 follows the mouth shields, and which almost entirely fills the inter- 

 radial space between the genital plates, can always be recognized as 

 well as the perfectly smooth dorsal plates of the disk and of the arms. 



OPHIOMUSIUM FACUNDUM, new Bpeeies. 



Plate 89, figs. 1, 2, 5, 6. 



Localities. — Albatross station 5114; Balayan Bay and Verde Island 

 Passage; Sombrero Island bearing N. 36° E., 13.34 kilometers (7.2 

 miles) distant (lat. 13° 36' 11" N., long. 120° 45' 26" E.) ; 622 meters 

 340 fathoms) ; January 20, 1908 ; fne. S. 

 Two specimens (Cat. No. 41361, U.S.N.M.). 



Albatross station 5123; east coast of Mindoro; Malabrigo Light 

 bearing N. 44° W., 60.23 kilometers (32.5 miles) distant (lat. 13° 12' 

 45" N., long. 121° 38' 45" E.) ; 518 meters (283 fathoms) ; Febru- 

 ary 2, 1908 ; gn. M. 

 Three specimens. 



Albatross station 5124; east coast of Mindoro; Point Origon (N.) 

 bearing S. 56° E., 38.45 kilometers (20.75 miles) distant (lat, 12° 

 52' 00" N., long. 121° 48' 30" E.) ; 514 meters (281 fathoms) ; Feb- 

 ruary 2, 1908 ; sft. gn. M. 



One specimen. 



Albatross station 5202; Sogod Bay, southern Leyte Island; Lima- 

 saua Island (E.) bearing S. 2° E., 30.95 kilometers (16.7 miles) dis- 

 tant (lat. 10° 12' 00" N., long. 125° 04' 10" E.) ; 918 meters (502 

 fathoms) ; April 10, 1908 ; gy. M. 



One specimen (Cat. No. 41366, U.S.N.M.). 



Albatross station 5259 ; off northwestern Panay ; Caluya Island (S.) 

 bearing S. 73° W., 19.84 kilometers (12 miles) distant (lat. 11° 57' 

 30" N., long. 121° 42' 15" E.) ; 571 meters (312 fathoms) ; June 3, 

 1908 ; gy. M., Glob. 



Two specimens (Cat. Nos. 41359, 41363, U.S.N.M.). 



Albatross station 5263 ; off eastern Mindoro ; Point Origon bearing 

 N. 85° E., 54.45 kilometers (28.3 miles) distant (lat. 12° 38' 30" N., 

 long. 121° 37' 20" E.) ; June 4, 1908. 



Two specimens (Cat. Nos. 41369, E. 58, U.S.N.M.). 



Albatross station 5282; China Sea, in the vicinity of southern 

 Luzon; Malavatuan Island (N.) bearing S. 84° W., 11.49 kilometers 

 (6.2 miles) distant (lat. 13° 53' 00" N., long. 120° 26' 45" E.) ; 454 

 meters (248 fathoms) ; July 18, 1908 ; dk. gy. S. 



