56 BULLETIN OF THE B0REAU OP 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 . reinhmdtn Lutken. 



Four specimens from Bulan, length 2.1 to 2.5 in. Type (field no. 3841) 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. 3841) 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 ANCUILLID^ffi. 



18. AnguiUa mauritiana Bennett. Pahucang-Knhi. 



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



AnguiUa mauritmTia Bennett, Proc. Conun. Zool. Soc. Lond. 1831, 128, Mauritius. 

 Murxna mandlensis Bleeker, Atlas, vi, 10, pi. CLXXXVm, fig. 2, Manila, Luzon. 

 AnguiUa mauriiiana, Giintlier, Cat., vni, 25. 



Family MUR^NID^E. 



19. Gyranothorax richardsoni (Bleaker). 



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

 Mursena ricliardsoni Bleeker, Nat. Tijds. Ned. Ind., in, 1852, 296, Wahai, Ceram; Giinther, Cat., vni, 118. 



20. Gynanothorax afer Bloch. 



One specimen from Bacon (no. 3769; length 2.5 in.), which we refer doubtfully to this species. 



Oymnothorax afer Blooh, Ichtli., xn, 73, pi. ccccxvii, 1797. 

 Murxna afra, Giintlier, Cat., vm, 123. 



Family PLOTOSID^E. 

 21. Plotosus anguiUaris (Bloch). SumbiUmg. 



Eleven specimens from Job (no. 3352 to 3357 and 3421 to 3425; length 5 to 7 m.), eleven fine specimens 

 from Bacon (no. 3365 to 3368, 3475 to 3480 and 4034; length 5.1 to 7 in.), and 48 young from Bacon (no. 4031- 

 length, 1 to 1.5 in.). 



Flatystacus anguiUaris Bloch, lohth., xi, 49, pi. CCCLXXI, fig. 1, 1797. 

 Plotosus anguiUaris, Giinther, Cat.,, v, 24. 



Family SILURID^. 

 22. Netumathalassinus (Ruppell). Tahomomo. 



One specimen from San Fabian (no. 3244; length 8 in.), three large specunens from Bulan (no. 4186, 

 4187, 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 thalassinus Eiippell, Neue Wirb., Fische, 75, pi. 20, flg. 2, 1837, Massaua. 

 Arius ihalnssinus, Giinther, Cat., v, 139. 



Family FISTULARIID^. 

 23. Fistularia petimba Lacepede. DrocH. 



Two specimens, one from San Fabian (no. 3407; length 15 in.), and one from Bacon (no 41S0- length 

 8.25 in.). ■' ^ 



Fistularia petimba Lae^pMe, Hist. Nat. Poiss., v, 349, 1803, New Britain, Reunion Island; Jordan & Evermann Bull U S 

 Fish. Comm.. xxni, 1903 (1906), 116 (Honolulu, Hilo, Kailua, Necker Island, and Hanalei Bay Kauai- also Japan' 

 Samoa, Philippines, and Papeete, Tahiti) . ' >f < 



