A Monograph of Marcus Island. — Appendix. 135 



Family SIGANID^E. 

 2446. Siganus fusce^cens (Houttuyn). 



Family BALISTID.^.— The Trigger-fishes. 

 2447. Balistapusrectangulus (Bloch & Schneider). 



244S. Balistapus aculeatus (Linn.). 



2449. Melichthys bispinosus Gilbert. 

 A''ery abundant at the island. 



Family OSTRACIID.F:.— The Trunk-fishes. 

 2450. Ostracion tuberculatus (Linn.). 



2451. Ostracion cornutus (Linn.). 



Family GOBIID.F:.— The Gobies. 



2452. Gobius albo-punctatus Cuv. & Val. 



Family ECHENEIDID.f:.— The Remoras. 



2453. Remora albescens (Temm. & Schl.). 



Family BLENNIID^.— The Blennies. 

 2454. Salarias gilberti.^ New species. 



D. XII-19; A. 21 ; C. 13; P. 14; depth 5 without, 6 with 

 caudal ; head 4 without, 4.87 with caudal. • Eye 4 to 4.50 in head. 

 Head comparatively slender, "breadth through cheeks .50 length. 

 Mouth inferior, width of cleft .50 length of head. Teeth small, 

 very numerous, finely pectinate. A triangular, simple tentacle 

 above eye, its length greater than width of interorbital space ; very 

 small simple tentacle on nape ; small palmately cleft tentacle over 

 anterior nostril. Interorbital space grooved, its width .50 to .66 of 

 eye. Maxillary extending to posterior margin of eye. 



Dermal crest on head. 



Dorsal fin deeply notched, rather high, its longest rays nearly 

 equal to height of body. Posterior rays united to caudal. Anal 

 membrane incised, rays with free tips, longest raj'S about .50 of 



9 In honor of Dr. Charles H. Gilbert, Department of Zoology, Leland Stanford Jr. 

 University. 



