56 BULLETIN OF THE BUREAU OF FISHERIES. 



Color in spirits, yellowish white; base of dorsal black; a black area at upper margin of opercle; a dusky 

 band on anterior third of mandible; base of caudal and top of caudal peduncle dusky. 



This species seems most nearly related to M . rrinhardtii Liitken. 



Four specimens from Bulan, length 2.1 to 2.5 in. Type (field no. 3S41) no. 55900, U. S. National Museum; 

 length 2.5 in., from Bulan, Sorsogon; coll. Charles J. Pierson. Of the 3 cotypes, 1 (field no. 3841) is no. 20,000, 

 Stanford Univ. Mus.; another (field no. 3S41) is in Museum at Manila, and a third (field no. 3841) is no. 

 4535, U. S. Bureau of Fisheries. Named for Dr. Charles H. Gilbert. 



Family ANGUILUI>.£. 



18. Anguilla mauritiana Bennett. Pabucantj-binhi. 



One fine specimen from Tarlac (no. 4063; length 23 in.). 



Anguilla mauritiana Bennett, Proc. Comm. Zool. Soc. Loud. 1831, 12S, Mauritius. 



v Bleeker, Atlas, vi, 10, pi. CLXXXVUI, fig. 2, Manila, Luzon. 

 Anguilla mauritiana, Gunther, Cat., vm, 25. 



Family MUMNID^E. 

 19. Gymnothorax richardsoni (Bleeker). 



One small specimen from San Fabian (no. 3842; length 5.2 in.). 

 ilurxna Hi hardsoni Bleeker, Nat. Tijds. Ned. Ind., m, 1852, 296, Wahai, Ceram; Gunther, Cat., vm. lis. 



20. Gymnothorax afer Bloch. 



One specimen from Bacon (no. 3709; length 2.5 in.), which we refer doubtfully to this species. 



Gymnothorax afer Bloch, Ichth., xn, 73, pi. ccccxvn, 1797. 

 ilursena ajra, Gunther, Cat., vm, 123. 



Family PLOT()SID.€. 

 21. Plotosus anguillaris (Bloch). Sumbilang. 



Eleven specimens from Jolo (no. 3352 to 3357 and 3421 t<> 3 125; length 5 to 7 in. 1, eleven fine specimens 

 from Bacon (no. 3365 to 336S, 3475 to 3480 and 4034; length 5.1 to 7 in.), and 4S young from Bacon (no. 4031 ; 

 length, 1 to 1.5 in.). 



Platystacus anguillaris Bloch, Ichth., xi, 49, pi. ccclxxi, fig. 1, 1797. 

 Plotosus anguillariSj Gunther, Cat., v, 24. 



Family SILURID.l. 



22. Netuma thalassinus (Ruppell). Tdbomomo 



One specimen from San Fabian (no. 3244: length S in.), three large specimens from Bulan (no U86, 

 41N7, and 4188; length 19 to 20 in.); two small specimens from "Philippine Islands," without local label 

 (no. 3939; length 3.5 and 5 in.). 



Bagrus thdla8sinU8 Ruppell, Neuc V\'ir!>., Fische, 75, pi. 20, fig. 2, 1837, Massaua. 

 Arius thalassinus, Gunther, Cat., v, 139. 



Family FISTULARIID^E. 



23. Fistularia petimba Lacepede. Droal. 



Two specimens, one from San Fabian (no. 3407; length 15 in.), and one from Bacon (no. 41S9; length 

 8.25 in.). 



Fistularia petimba Lacepede, Hist. Nat. Foiss., v, 349, 1803, New Britain, Reunion Island; Jordan A Evermann. Bull. CI. S. 

 Fish. Comm., xxm, 1903 (190.V. 1 1 1 ■ (Honolulu, Hilo. Kailua, Necker Island, and Hanalei Bay, Kauai; also Japan, 

 Samoa, Philippines, and Papeete, Tahiti). 



