A Monograph of Marcus Island. — Appendix. 135 



Family SIGANID.F:. 

 2446. Siganus fuscescens (Houttuyn). 



Family BAIJSTID.^.— The Trigger-fishes. 

 2447. Balistapus rectangulus ( B loch cSz: Schneider). 



2448. Balistapus aculeatus (Linn.). 



2449. Melichthys bispinosus Gilbert. 

 Very abundant at the island. 



Family OSTRACIID.^.— The Trunk-fishes. 

 2450. Ostracion tuberculatus (Linn.). 



2451. Ostracion cornutus (Linn.). 



Family GOBIID.f:.— The Gobies. 



2452. Gobius albo-punctatus Cuv. & Val. 



Family ECHENKIDID^F:.— The Remoras. 



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



Family BLENNIID.E.— The Blennies. 

 2454. Salarias gilberti.> New species. 



D. XI1-19; 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 ; ver}- 

 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 nearl}^ 

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

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



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

 I'niversitv. 



