IV Contents. 



PAGE 



V. Analytical Search for Melals in Tortugas Marine Organisms. By Alexander 



H. Phillips 95-99 



VI. The Tracking Instinct in a Tortugas Ant. By Alfred Goldsborough Mayor 101-107 



Experiments 104 



VII. A Collection of Fishes from Samoa. By Henry W. Fowler and Charles F. 



Silvester. 2 figures 111-126 



Ophichthyidse 112 



Chlevastes colubrinus (Boddaert) 112 



fasciatus (Ahl) 112 



Muraenidae 112 



Gymnothorax punctatus (Schneider) 112 



pictus (Ahl) 113 



Anarchias allardicei (Jordan and Seale) 114 



Hemiramphidae 114 



Hyporhamphus pacificus (Steindachner) 114 



Mugilidae 115 



Neomyxus chap tali (Eydoux and Souleyet) 115 



Holocentridae 116 



Holotrachys lima (Valenciennes) 116 



Holocentrus punctatissimus Cuvier 116 



diadema Lac6pede 116 



praslin Lac^pMe 117 



sammara (Forskal) 117 



Cheilodipterida} 117 



Amia savayensis (Giinther) 117 



novemfasciata Cuvier 117 



Fowleria marmorata (Alleyne and Macleay) 117 



Serranidse 118 



Epinephelus merra Bloch 118 



Pharopteryx nigricans Riippell 118 



melas (Bleeker) 118 



Opisthognathidae 118 



Gnathypops samoensis, new species 118 



Pomacentridae 120 



Pomacentrus melanopterus Bleeker 120 



nigricans (Lac^pede) 120 



albofusciatus Schlegel 120 



Abudefduf ccelestinus (Cuvier) 120 



glaucus (Cuvier) 120 



zonatus (Cuvier) 120 



Dascyllus aruanis (Linnaeus) 121 



Chromis cseruleus (Cuvier) 121 



isomelas Jordan and Seale 121 



Labridae 121 



Platyglossus notopis (Valenciennes) 122 



CheUinus fasciatus (Bloch) 122 



Scarichthyidae 122 



Callyodon rubro-violaceus (Steindachner) 122 



Chaetodontidae 123 



Chaetodon trifasciatus Forskal 123 



pelewensis I^er 123 



melannotus Schneider 123 



mUiaris Quoy and Gaimard 123 



Holacanthus nicobariensis (Schneider) 123 



Acanthuridae 124 



Hepatus atrimentatus Jordan and Evermann 124 



triostegus (Linnaeus) 124 



Monacanthidae 124 



Oxymonacanthus longirostris (Schneider) 124 



