SHORE FISHES OF GALAPAGOS ISLANDS 397 



Taken at Socorro Island by the Alfratross in 1889 and not reported 

 since. 



Family SCARID^E. 



122. CALOTOMUS XENODON Gilbert. 



Calotomus xenodon GILBERT, Proc. U. S. Nat. Mus. 1890, 70, Socorro Island. 

 JORDAN & EVERMANN, Fishes North and Mid. Amer., n, 1626, 1898. 



Range. Revillagigedo Archipelago. 



Known only from Socorro Island, where taken by the Albatross in 

 1889. 



123. CALLYODON NOYESI (Heller & Snodgrass). 



Scarus noyesi HELLER & SNODGRASS, Proc. Wash. Acad. Sci., v, 1903, 206, 

 Tagus Cove, Albemarle Island. 



Range. Galapagos Archipelago (Albemarle, Narboro, Duncan 

 and Seymour) . 



124. CALLYODON PERRICO (Jordan & Gilbert). 



Scarus perrico JORDAN & GILBERT, Proc. U. S. Nat. Mus. 1881, 357, 



Mazatlan. 

 Pseudoscarus perrico, JORDAN & EVERMANN, Fishes North and Mid. Amer. , 



n, 1658, 1898. 



Range. West coast of Mexico and Galapagos Archipelago. 



This species has previously been known only from the west coast 

 of Mexico. We have 3 specimens from Seymour Island, the longest 

 400 mm. in length. 



Color in life. Above brown, darkest on back, lighter on sides; 

 belly whitish; dental plates, spots above eye, pectorals, dorsal, anal 

 and ventral bright blue-green ; light green spot before eye ; lips same ; 

 iris golden ; middle of pectoral olive-brown ; caudal with faint maroon 

 bar near tip; membranes of dorsal and anal olive, spotted with blue- 

 green ; first rays of ventral olive. 



Family OPLEGNATHID^). 

 125. OPLEGNATHUS INSIGNE (Kner). 



Scaristoma insigne KNER, Sitz. d. k. Akad. d. Wissensch. Wien, LVI, 7, pi. 2, 



1867, West coast of South America. 

 Oplegnathus insignus, ABBOTT, Proc. Acad. Nat. Sci. Phila. 1899, 359. 



Range. West coast of South America, Galapagos Islands. 



The species of the genus Oplegnathus are few : one occurs on the 

 west coast of South America and at the Galapagos Islands, the others 

 in the western part of the Pacific. We have 9 adult examples of O. 



