216 CARNEGIE INSTITUTION OF WASHINGTON. 



CENTROPOMID^. 

 Centropomus pectinatus Poey. 



One specimen, about 20 cm. long, from Guanica Lake. 



SPARID^. 

 Diplodus argenteus (Cuv. fie Val.)- 

 From coral reef off Guanica Harbor. 



SCLENIDiE. 

 Eques pulcher Steindachner. 



One specimen, 5 cm. long, from cluster of coral rock in shallow water west of Guanica 

 Harbor. 



No. 3097, Zoological Museum, Princeton University. 



POMACENTRID.^. 

 Microspathodon niveatus (Poey) . 



One specimen, about 5 cm. long, from coral reef off Guanica Harbor. Several specimens 

 of this rare species were seen swimming among the coral rocks along the side of the cliff in 

 the entrance to the harbor west of Guanica Harbor. 



Mycrospathodon fowler i sp. no v. 



Head 3; depth 1.87; dorsal XII, 15; anal II, 13. Scales 3-29-10. Eye 4.25. Body 

 compressed, but rounded, profile from snout to dorsal evenly rounded; sUght indication of 

 fleshy crest at nape in 1 individual, not indicated in 4 individuals. No fleshy corrugations 

 on anterior profile in 4 individuals, indicated in 1 individual. Nostril small. A pigmented, 

 fleshy, tongue-like flap in roof of mouth. Upper teeth small, movable, in semicircular 

 series, teeth of lower jaw large and fixed, in a series rounded in front and concave on sides. 

 Caudal peduncle about 2.5 in head, depth 2.25 in head, dorsal elevated and ending in a 

 pointed tip beliind. Color uniform deep black to uniform bluish black, with indication of 

 yellowish tinge under scales, fins uniform black. 



Length, 19 cm. 



Type, No, 3060, Zoological Museimi, Princeton University. 



Five individuals ranging from 13 to 19 cm. long. From coral reef off Guanica Harbor. 



(Named for Henry W. Fowler, in recognition of his contributions to ichthyology.) 



LABRIDyE. 

 Harpe rufa (Linn.) 



One specimen, about 15 cm. long, from coral reef off Guanica Harbor 



MONACANTHIDJE. 

 Pseudomonacanthus amphioxys (Cope) . 



Three specimens from coral reef off Ballenas Point. 



GOBIIDiE. 

 Sicydium antillarum (Ogilvie-Grant) . 



Several specimens from 5 to 12 cm. long obtained from mountain streams flowing into the 

 Arecibo River in the vicinity of Utuado. 



Gobiosoma multifasciatum (Steindachner) . 



Two specimens, 2 and 2.5 cm. long, found attached to coral rocks in shallow water east 

 of Guanica Harbor. 



GOBIESOCIDiE. 

 Gobiesox cerasinus Cope. 



Quite common around coral reefs in vicinity of Guanica Harbor. Usually hidden in crevices 

 of rocks. 



