522 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.41. 



torals, close together, with a strong spine. Posterior processes of the 

 premaxillaries not extending to the frontals; supraoccipital bone 

 extending forward to between the post-frontal processes, its crest not 

 extending on the upper surface of the cranium; parietals short, with- 

 out crest. Precaudal vertebrae with transverse processes behind the 

 fourth; ribs, all but the last 2 to 4, sessile, inserted on the centrum 

 behind the transverse processes. Vertebrse 25 (10 or 11 + 14 or 15). 

 Two genera with 7 or 8 species inhabiting the Pacific Ocean, especially 

 fresh and brackish waters of East Africa, and the islands of the Indian 

 and Pacific Oceans and north Australia, some species strictly marine. 

 Doctor Boulenger has shown in Kuhlia the presence of skeletal char- 

 acters of the American family of sun fishes, Centrarchidae. In his 

 Catalogue, Kuhlia is placed in the latter family, but there are impor- 

 tant difl'erences and the natural character of the group Centrarchidse 

 disappears if these fishes are introduced. We therefore continue to 

 recognize the family of Kuhliidse as distinct. In appearance, as in 

 habit, the species of Kuhlia resemble the black bass. 



Key to genera. 



a ^ Maxillary short, 2| in head; soft dorsal and anal long and low; gill-rakers 10+25; 



peritoneum black. Marine species Boulengerina, 1. 



a ^. Maxillary long, 2 to 2 J in head; soft dorsal and anal shorter and higher; gill-rakers 



about 9+18; peritoneum silvery, dotted. Species inhabiting rivers . .Kuhlia, 2. 



1. Genus BOULENGERINA Fowler. 

 Boulengerina Fowler, Journ. Acad. Nat. Sci. Phila., 1906, p. 512. 



Type. — Dules mato Lesson = (Dules malo Cuvier and Valenciennes) . 



This genus includes the marine species of Kuhliidae, with the mouth 

 relatively small, the maxillary 2J in length of head, the caudal deeply 

 forked, the soft dorsal and anal fins long and low, the scales relatively 

 small, and the body silvery in color, gill-rakers about 10 + 25. Trop- 

 ical Pacific, especially about coral reefs. 



(Named for George Albert Boulenger of the British Museum.) 



1. BOULENGERINA T.S;N1URA (Cuvier and Valenciennes). 

 GINDOKUGYO (poison silver perch). 



Dules txniurus Cuvier and Valenciennes, Hist. Nat. Poiss., vol. 3, 1829, p. 114 

 (Java).— Bleeker, Verb. Bat. Gen. Kunst. Wet., vol. 22, Pise, 1849, p. 49 

 (Pagotang, Java). — Gunther, Cat. Fish. Brit. Mus., vol. 1, 1859, p. 267 

 (Chinese Seas). — Kner, Reise Novara, Fische, 18G0, p. 47 (Tahiti). 



Paradules txniurus Bleeker, China, Ned. Tijd. Dierk., vol. 4, 1873, p. 139. 

 Moronopsis txniurus Klunzinger, Fische Roth. Meer., 1884, p. 25. 



Kuhlia txniura Jordan and Bollman, Proc. U. S. Nat. Mus., vol. 12, 1889, p. 

 159, name only). — Boulenger, Cat. Fish. Brit. Mus., 2d ed., 1895, p. 39 

 (Socotra, Zanzibar, Seychelles, Port Natal, South Africa, Mauritius, Lacca- 

 dives, China, Tahiti). — Jordan and Seale, Fishes Samoa, Bull. U. S. Bur. 

 Fish., vol. 25 (1905), 1906, p. 255 (Tutuila, Samoa, Johnston Island, Marcus 



