FISHES OF THE PHILIPPINE ISLANDS. 61 



Familj SCOMBRIDjE. 



49. Scomber brachysomus Bleeker. Masangui 



One specimen from San Fabian 3271 ; length 8.1 in.) 



Gillrakers equal to distance from tip of snout to orbit, shorter than in S microlepidolus, from which this 

 species is easily distinguished by the deeper bodj 



r brachymma Bleekei Nat. Tijds. Nod [nd I 156, 1850, Batavia; Gunther, Cat.. II, 301; Doy, Fishes India, 251 

 50. Scomber microlepidotus Riippell. 



Two specimens from Bacon (no U73 and 4174; length 10 and 10.25 in.). Gillrakers long, equal to distance 

 from tip of snoul to middle of eye. 



Rflppel] Neue Wirb., Fische, 38, pi. XI, fig. '.'. 1837, Red Sea: (iiintl t., 11, IB] Do 



India, 250, pi. u\ 15; Fowler, Proe. \.c. Nat. Sci. Phila. 1904, 759. 



51. Scomber japonicus Eiouttuyn. 



< me specimen from Bulan (no. 3912; length .Y 15 in.). Blue above, silvery below. Head 3.25 in I 

 depth 5.2; dorsal ix, 124-v; analu, 114-v. 



This species is indistinguishable from the common chub mackerel l S. colias I of the Ulantic 



iponietu Houttuyn, Verh. Holl. Maat. Weet. Haarl., xx, 1782, 331, Japan; Jordan & Evermann, Bull. U. S Fi 

 . xxni, pt. I, 1903 1 1905), 109, 



52. Gymnosarda pelamis (Linnaeus) 



Two specimens from Bulan (no. II 1 — -1 and H85; length 15 and 15.25 in.). Dorsal svi— 124-vm; anal 

 ii — 124- vn. 



i Nat., ed. X, 297, 1758, "in pelago inter Tropicos." 



Gunther, Cat., n. 364. 

 lai • rordan & Evermann, Bull. V. S. Fish Comm., xxm, pt. 1, 1903 (1905), 172. Bg, 64 



53. Rachycentron canadus (Linn. 



One fine specimen from Bulan (no. 1151; length 21 in.). Head 4.05 in length; depth (i.M: eve 7.1 in 

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

 sharp curves 



anadus Linnaeus, Syst Nat., ed. XII, 491, 17'.'.. Carolina. 

 Scomhir nig,r Bloch, Ichth., x. Is., pi. 1 1 cxxxvii, 1797 



ana Cuvier .v Valenciennes, Hist. Nat. Poiss., vin. 241 (329), 1831, Pondicherry. 

 Elacatt nigt r, i iunther, Cat., n, 



canadus, Jordan & Evermann, Fishes North and Mid. Ancr . 948, pi. cxlyiii, fig. 401. 1S90. 



NES0GRAMMUS Evermann & Seale, new genus. 

 I rui. Min & Beale, new genus of Scombridse I Nesogrammus piersoni . 



Bod) long ami slender, completely covered \\ iih 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, approximate!) parallel tu 

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

 < ' t. palatines, and tongue: a single row of sharp, canine-like teeth in each jaw. 



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

 line- and in the complete squamation of the body. (i'?;o"o;, island: ypa/iua. line.) 



54. Nesogrammus piersoni Evermann & Scale, 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 

 \n -f-i, 94-vn; pectoral 1.9; ventral 3.2; anal i. 114-vii; scales 170 in upper and 115 in lower branch of 

 lateral line. 



Bod] elongate, moderate!) 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 



