pishes prom the revillagigedo archipelago. 277 



votiis, the only characters tangible being the larger teeth, low dorsal, and 

 less elevated forehead. The distinctions between Hypodis and Trachinotua 

 are of little value. Porthmeus (=Lichia amia and L. vadigo) is a well-defined 

 genus, distinguished by the large mouth and projecting lower jaw. 



19. Zalocys stilbe Jordan & McGregor, new species. (Plate 5.) 



Head 4^ ; depth 2i ; D. vi, 1-26; A. II, 1-23. Body elliptical, deeper than in 

 Hypodis glaucus; belly sharply compressed; ventral outline similar to that 

 of dorsal. Anterior profile of head elevated and sharp, the eye being rather 

 below than above its middle. Eye 5 in head, with conspicuous adipose 

 eyelid before and behind ; posterior nostril much larger than anterior, verti- 

 cally oblong; maxillary broad, without supplemental bone, extending to 

 pupil, 2f in head. Mouth moderate, oblique; each jaw with bands of villi- 

 form teeth; similar teeth on vomer, palatines, and tongue. Preopercle very 

 broad; cheek moderate; suborbital narrow: preorbital very narrow, 4 in 

 eye. No pseudobranchhe. Gillrakers very long and slender, numerous. No 

 procumbent spine before dorsal. Spines low and separate; spines progres- 

 sively higher. Soft dorsal and anal each with a sheath of scales. First 

 rays of dorsal very slightly elevated, 2£ in head; anal without distinct 

 anterior lobe, longest ray 2| in head ; caudal peduncle long and slender, its 

 depth 3f in head; caudal fin widely forked, lobes long and slender, upper a 

 little the longer, more than half longer than head, and 2f in body ; pectoral 

 moderate, li in head ; ventrals very small, 6^ in head. Snout 3§ in head. 

 Premaxillary protractile. 



Color dark steel-blue or blackish above; lower parts soiled white; axil 

 and base of pectoral within jet-black; dorsal and anal each with a narrow 

 whitish edging; caudal black, each lobe with a narrow whitish edging 

 within; body covered with small smooth scales, much as in Trachinotus. 

 Lateral line undulate; very slightly arched anteriorly. 



One specimen, 16 inches in length, from Clarion Island. 



Type, No. 11996, L. S. Jr. Univ. Mus. 



20. Carangoides orthogrammus (Jordan & Gilbert). Seven large specimens from 



Clarion and Socorro islands. 



21. Caranx marginatus Gill. Two large specimens from Socorro Island. 



22. Caranx lugubris Poey. Three large specimens from SanBenedicto and Clarion 



islands. 



Family APOGONIDiE. 



23. Apogon retrosella (Gill). About 30 specimens secured with dynamite at San 



Benito Island. 



24. Apogon atricaudus Jordan & McGregor, new species. 



Head 2-J; depth 3; D. vi-l, 9; A. n, 8; scales large, finely ctenoid, 3-26-11; 

 eye 3£ in head; second dorsal spine stoutest, about 2 in head; gillrakers 17, 

 moderate. Body similar in shape to A. retrosella. Jaws reaching to poste- 

 rior border of eye, 1§ in head. Pectoral reaching to opposite front of anal, 

 If in head. Color rosy, darkened with dusky points, more or less olivaceous 

 above ; head and throat verging on orange ; first dorsal black ; second dorsal 

 rosy ; caudal dusky, more or less flushed with rosy, other tins paler ; no black 

 spot on head or on base of caudal, there being no definite markings any- 

 where except the dusky red of the tail. Numerous specimens collected at 

 San Benedicto, Socorro, and Clarion islands. Usual length 3 to 4 inches. 

 Type, No. 5708, L. S. Jr. Univ. Mus. 



Family KUHLIID^I. 



25. Kuhlia arge Jordan & Bollman. Thirty-one specimens, from Clarion and 



Socorro islands, where it is very common. 



