FISHES OF THE PHILIPPINE ISLANDS. 61 



Family SCOMBRID^i. 



49. Scomber brachysomus BlooUci-. Masangiii. 

 One specimen from San Fabian (no. 3:371 ; length S.l in.). 



Gillrakers equal to distance- from tip of snoiK to orbit, sbortci- than in ,V. n,Hrn/,pi,lol„s, from which this 

 species is easily distinguished by the deeper body. 



Scomber brachysoma Sleeker, Nat. Tijds. Nc.l. Ii,d., i, :!,i(i, 1850, Batavia; (lunther, Cal., ii, :(i;i: D„y, Fishra India, 251. 



50. Scomber microlepidotus Riippell. 



Two specimens from Bacon ( no. 4173 and 4174: length lOand l{):2h in.). Gillrakers long, equal to distance 

 from tip of snout to middle of eye. 



Scomber microhpidolus Ruppell, Neue Wirb., Fische, 38. pi. xi, flg. 2, 1837, Red Sea; Gunthor, C.-.a., ii, 3i;i; Day, Fishes 

 India, 250, pi. liv, figs. 3, 4, and 5; Fowler, Proc. Ac. Nat. Sci. Ptiila. 1901. 759. 



51. Scomiber japonicus Houttuyn. 



One specimen from Bulan (no. 3912; length .5.4.5 in.). Blue above, silvery below. Head 3.2.5 in length; 

 depth 5.2; dorsal ix, 12+ v; analii, 11 + v. 



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



Scomber japonicus Houttuyn, Verh. HoU. Maat. Weet. Haarl., xx. 17.S2, 331, Japan; Jordan i Evermann, Bull. U. S. Fish 

 Comm., XXIII, pt. 1, 1903 (1905), lii9, flg. 62. 



52. Gymnosarda pelamis (Linna?u.s). 



Two specimens from Bulan (no. 41.S4 and 41.S5: length 1.5 and 1.5.2.5 in.). Dorsal xvi — 12+vm; anal 

 II— 12+vn. 



Scomber pelamis Linnaeus, Syst. Nat., ed. \, 297. 17.W. "in pelago inter Tropicos." 



Thynnus pelamys, Giinther, Cat., ii, 364. 



Gymnosarda pelamis, Jordan i Evermann, Bull. V. s. Fish Comm., xxni, pt. 1, 19ii3 (190.51, 172. flg. 64. 



53. Rachycentron canadus (Linn^us). 



One fine specimen from Bulan (no. 4151; length 24 in.). Head 4.(15 in length; depth 6.3; eye 7.1 in 

 head; snout 2.5; maxillary 2.5; scales about 332; dorsal viii, 32; anal 27; lateral line with several strong 

 sharp curves. 



Gasterosteus canadus Linnaeus, .Syst. Nat., cd. xii, 491, 1766, Carolina. 



Scomber niger Bloch, Ichth., x, 48, pi. cccxxx\ ii, 1797. 



Elacate pondicerixiini Cuvier & Valenciennes, Hist. Nat. Poiss., \ in, 241 (329), 1.N31, Pondicherry. 



Elacate niger, Giinther, Cut., ii, .375. 



Rachycentron carmdus, Jordan & Evermann, Fishes North and Mid. .\.raer., 94,s, pi. cxlvui, flg. 401, 1896. 



NESOGSAMHTTS Evermann & Seale, new genus. 



Nesogrammus Evermann & Seale, new genus of Scorabridru {Nesogrammus ptersoni). 



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

 the lower branch 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 runs, approximately parallel to 

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

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



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

 lines and in the complete squamation of ihe body. {v7j6o<;, island; ypaniia, 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-f I, 9-f-Tii; pectoral 1.9; ventral 3.2; anal i, 11 + 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 fiat, its width greater than eye; mouth large; maxillary slipping under preorbital 



