FISHES OF WEST COAST OF PERU. 123 



Cove, Elizabeth Bay and Iguana Cove, Albemarle, Galapagos 

 Islands. The latter have an excellent figure and description of 

 the species under the name of Nexilosus alhemarleus. 



Genus ABUDEFDUF F6rsk°al. 



149. ABUDEFDUF SAXATILIS (Linnaeus). 



Chacetodon saxatalis Linnaeus, Syst. Nat., ed. 10, 1758. p. 276. 



Abudefduf saxatalis Jordan, Fishes of Sinaloa, Proc. California Acad. Sci., 

 ser. 2, vol. 5, 1895, p. 475. — Jordan and Eveemann, Fishes of North and 

 Mid. Amer., vol. 2, 1898, p. 1561 ; vol. 4, 1900, pi. 234, fig. 590. 



Glyphisodon saxatalis Gilbert and Starks, Fishes of Panama Bay, Mem. 

 California Acad. Sci., vol. 4, 1904, p. 143. 



Abudefduf marginatus Snodgeass and Heller, Shore Fishes of the Gala- 

 pagos Islands, Proc. Washington Acad. Sci., vol. 6, 1905, p. 390. 



One specimen, field No. 278 (part), 5.7 cm. long from Lobos de 

 Afuera, taken from a very small shallow tide pool in the rocks. 



Head 3 in length ; depth 2.04 ; eye 2.72 in head ; snout 3.33 ; maxil- 

 lary 3.33; P. 1.15; V. 1.52; scales 4^-27-11; D. XIII, 14; A. II, 13. 



This specimen is small and badly distorted. 



Family LABRIDAE. 



THE WRASSE FISHES. 



KEY TO GENERA. 



a\ Vertebrae 27 to 29 (so far as known) ; dorsnl spines 11 to 18; sides of head 

 more or less scaly. 



b\ Scales large, 5-33 to 35-12 Bodiamis, p. 123. 



b^. Scales small, 9-52 to 55-20 Pimelometopon, p. 127. 



a^. Vertebrae 23 to 26 ; dorsal spines 8 to 9 ; head mostly naked. 



Halichoeres, p. 128. 



Genus BODIANUS Bloch. 



KEY TO SPECIES. 



a\ Color in life not red ; pale blue, with a yellow patch behind the pectoral fin, 

 which has a large dark spot on its extremity ; head, tail and fins bright 

 red, their tips black and yellow ; forehead very gibbous in the adult ; 

 depth 3 to 3.5. Female brownish yellow ; a dark baud commences behind 

 the snout and is divided into two behind the eye, the upper portion run- 

 ning along the back and nearly joining its fellow from the other side on 

 the back of the free portion of the tail, while the lower crosses the angle 

 of the operculum, and is continued on to the middle of the tail, terminating 

 near the caudal and alternating with two spots behind the base of the 

 caudal fin; fins yellowish or orange. Forehead scarcely gibbous in the 

 adult diplotaenius, p. 124. 



a". Color chiefly red or black, without dark bands or stripes ; body without dark 

 crossbands or stripes ; general color vermilion, with two large, irregular, 

 black blotches on the back and dorsal fin, the anterior on the first six 

 dorsal spines, the posterior extending over the whole soft dorsal and over 

 a portion of the back of the tail ; snout pointed, with upper profile slightly 

 concave ; head longer than high ; caudal emarginate eclancheri, p. 125. 



