FISHES OF THF, PHILIPPINE ISLANDS. 61 



Family SCOMBRI I).4i. 



49. Scomber brachysonius Blcckcr. Masangui. 



One specimen from San Fabian (no. 3271; leugtli 8.1 in.). 



Gillraliers equal to distance from tip of snout to orbit, shorter than in .V. niicrolepidohis, from which this 

 species is easily distinguished by the deeper body. 



Scomhrr bmchysoma Bleeker, Nat. Tijds. Ned. Ind.. i. 356. L8.M. Batavia; OiinthiT, ("iil.. n. .'«>1: Day. Fishes India. 251. 



50. Scomber microlepidotus Riippell. 



Two specimens from Bacon (no. 4 173 and 417-1 : length 10 and ll).2.Tin.). Gillrakers long, equal to distance 

 from tip of snout to middle of eye. 



Scomber microlepidotus Riippell, Neue Wirb., Fische, 38, pi. .\i. fig. 2, 1837, Red Sea; Giinthcr, Cat., n, .361; Day, Fishes 

 India, 2.50, pi. liv, figs. 3, 4. and 5; Fowler, Proc. -Vc. Nat. .Sci. Phila. 1904, 759. 



51. Scomber japonicus Houttuyn. 



One specimen from Bulan (no. 3912; length ,5.45 in.). Blue above, silvery below. Head 3.25 in length; 

 depth .j.2; dorsal ix, 12+v; analii, 11 + v. 



This species is indistinguishable from the common chub mackerel (S. colias) of the Atlantic. 



Scomber japonicus Houttuyn, V'erh. Holl. Maat. Weet. Haarl., xx. 1782, .3,31, Japan; Jordan & Evermann, Bull. U. S. Fish 

 Comm.. xxni, pt. 1, 1903 (1905^ 169, flg. 62. 



52. Gymnosarda pelaiuis (Linnseus). 



Two specimens from Bulan (no. 41S4 and 41S5; length 15 and 15.25 in.). Dorsal .\vi — 12+viii; anal 

 II-12+VII. 



Scomber pelamis LinnfEUs, Syst. Nat., od. x. 297, 17-58. '"in pelago inter Tropicos." 

 Tfttjjinus pclamys, Giinther, Cat., n, 364. 

 Gymnosarda pelamis, Jordan & Evermann. Bull. U. .^. Fish Conim.. xxni. pt. 1. 1903 (1905), 172, fig. 04. 



53. Rachycentron cauadus (Liiina-us). 



One fine specimen from Bulan (no. 4151; length 24 in.). Head 4.05 in leugtli; depth 6.3; eye 7.1 in 

 head; snout 2.5; ma.xillary 2.5; scales about 332; doi-.sal viii, 32; anal 27; lateral line with several strong 

 sharp curves. 



Gasterosteus canadus Linnjeus, Syst. Nat., ed. xn, 491, 1766. Carolina. 



Scomber niger Bloch, Ichth., x, 48, pi. cccxx.xvn, 1797. 



Elacate pondiccriana Cuvier & Valenciennes, Hist. .\at. Poiss., vni, 241 (.329), 1831, Pondicherry. 



Elacate niger, Giinther, Cat., ii, 375. 



Rachycentron canadus, Jordan A Evermann, Fishes North and Mid. .Vmer., 948, pi. CXLvni, fig. 401, 1896. 



NESOGSAMMUS ETermann & Seale, new genns, 



Xcsogrammus Evermann & Seale. new genus of Seoul liridfe {Nesograjnmus piersont). 



Body long and slender, completely covered with small, thin, deciduous scales; no corselet: lateral lines 2, 

 the lower l)ranch leaving the main lateral line under the base of third or fourth dorsal spine, from which point 

 it extends nearly vertically downward to lower third of side, along which it ruu.s, appro.ximately parallel to 

 the ventral line of body, to caudal peduncle. Ventrals i, 5; dorsal and anal tinlets 7. Villiform teeth on 

 vomer, palatines, and tongue; a single row of sharp, canine-like teeth in each jaw. 



This genus is related to ScomheromoruK, from which it differs, however, in the presence of two lateral 

 lines and in the complete squaraation of the body. {vifOoi, island; ypafxfia, line.) 



54. Nesogrammus piersoni Evermann & Seale, new species. 



Head 4.5 in length; depth 4.75; eye 4.35 in head; snout 2.85; maxillary 2.25; mandible 1.9; dorsal 

 xn+i, 9+vii; pectoral 1.9; ventral 3.2; anal i. ll + vii; scales 170 in upper and 145 in lower branch of 

 lateral line. 



Body elongate, moderately compressed; depth of caudal peduncle 1.9 in snout; head pointed: jaws 

 equal; interorbital space flat, its width greater than eye; mouth large; maxillary slipping under preorbital 



