360 SNODGRASS AND HELLER 



40. HOLOCENTRUS SUBORBITALIS Gill. 



Holocentrum suborbitale GILL, Proc. Acad. Nat. Sci. Phila. 1863, 86, Cape 



San Lucas. 

 Holocentrus suborbitalis , JORDAN & EVERMANN, Fishes North and Mid. Amer. , 



i, 850, 1896. JORDAN & MCGREGOR, Rep. U. S. Fish Comm. for 1898 



(1899), 275 (Clarion and Socorro islands.) 



Range. Cape San Lucas to Panama ; Revillagigedo, Cocos and 

 Galapagos islands. 



A very abundant species at Cocos Island but not so abundant at the 

 Galapagos Islands. At the latter place taken at Albemarle, Charles 

 and Tower. Three young individuals, 45 mm. in length, secured in 

 tidepools at Charles are scarcely different from the adults. The 

 opercular spines are shorter and the coloration is more greenish. 



Family MULLID.E. 



41. PSEUDUPENEUS DENTATUS (Gill). 



Upeneus dentatus GILL, Proc. Acad. Nat. Sci. Phila. 1862, 256, Cape San 

 Lucas. JORDAN & EVERMANN, Fishes North and Mid. Amer., i, 859, 

 1896. JORDAN & MCGREGOR, Rep. U. S. Fish. Comm. for 1898 (1899), 

 275 (Clarion Island). 



Range. Cape San Lucas ; La Paz ; Tres Marias Islands ; Clarion 

 Island. 



Family SCOMBRHXE. 

 42. SCOMBER JAPONICUS Houttuyn. 



Scomber japonicus HOUTTUYN, Verh. nit. Holland. Mattsch. der Weet., xx, 2, 



1872, Japan. 

 Scomber colias GMELIN, Syst. Nat., Ed. xm, 1329, 1788, Sardinia. JORDAN 



EVERMANN, Fishes North and Mid. Amer., i, 866, 1896. ABBOTT, 



Proc. Acad. Nat. Sci. Phila. 1899, 344 (Peru). 



Range. Cosmopolitan. 



Four specimens taken in Tagus Cove, Albemarle, Galapagos 

 Archipelago. 



43. GYMNOSARDA PELAMIS (Linnaeus). 



Scomber pelamis LINN^US, Syst. Nat., Ed. x, 297, 1758. 

 Gymnosarda pelamis, JORDAN & EVERMANN, Fishes North and Mid. Amer., i, 

 868, 1896. 



Range. Intertropical. Two specimens from Wenman Island, 

 Galapagos Archipelago. The species is abundant in the warm cur- 

 rents north of the equator as far north as the Revillagigedo Islands. 

 Both this species and the horse mackerel ( Thunnus thynnus) were 



