142 THE SHORE FISHES. 
Callyodon noyesi (HELLER & SNopGRass). 
Snoperass & HELLER, Proc. Wash. Acad. Sci., 1905, 6, p. 397. 
Scarus noyesi HELLER & SNoperass, Proc. Wash. Acad. Sci., 1903, 5, p. 206, pl. 9. 
One specimen, No. 3124, 21 inches long, probably from Perico Island or 
Panama. 
Previously known only from Galapagos Islands. 
CHAETODONTIDAE. 
Chaetodon nigrirostris (GiLL). 
Jorpan & EVERMANN, Bull. 47, U.S. Nat. Mus., 1898, pt. 2, p. 1673. 
Sarothrodus nigrirostris Gruu, Proc. Acad. Nat. Sci. Phil., 1862, p. 243. 
Two specimens, each 23 inches long and two specimens, No. 3343, M. C. Z. 
29655, and No. 3354, 5 and 5z inches long from Acapulco and 1 specimen 6 
inches long from Perico Island, Panama Bay. 
The black between the eyes does not extend entirely across the interorbital 
space, it being simply two black blotches above the eye. The black of the 
opercular margin is continued across or nearly across the base of pectoral fin. 
Chaetodon humeralis GUNTHER. 
Cat., 1860, 2, p.19. GruBert & Starks, Mem. Cal. Acad. Sci., 1904, 4, p. 149. 
Two specimens, Nos. 3113 and 3121, M. C. Z. 29690, respectively 5 and 4% 
inches long and two specimens, M. C. Z. 29559 each 43 inches long from Perico 
Island, Panama Bay. 
Thirteen specimens, 47 to 5 inches long from Toboguilla Island, Panama 
Bay, in two fathoms. 
Five specimens, Nos. 3316-18 and No. 3355, M. C. Z. 29687, No. 3356, 
M. C. Z. 29676, 43 to 43 inches long from Acapulco. 
Color: —a dark band narrower than eye, runs from nape curving down- 
ward and forward through the eye across cheek and then curving backward to 
throat; another broader band from front of dorsal through the base of pectoral, 
then faintly to ventrals; then a broader band along base of soft dorsal and anal 
across caudal peduncle; a dark inframarginal band to soft dorsal and anal, rays 
bordered with light yellow, anal border broader than dorsal; narrow dark band 
across caudal peduncle at base of caudal; a broader band across base of caudal 
fin; another intramarginal band near tip of caudal. 
