154 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Madagascar). — Barnard, Ann. South Afric. Mus., vol. 21, 1927, p. 643 

 (Natal coast). 



Ambassis commersoni Bleeker, Verslag. Meded. Akad. Wet. Amsterdam, ser. 

 2, vol. 12, 1878, p. 192 (Mabare, East Madagascar). 



A?nbassis macracanthus Bleeker, Verb. Batav. Genootsch. (Percoid.), vol. 

 22, 1849, p, 30. Batavia, Java. — Gunther, Cat. Fish. Brit. Mus., vol. 1, 

 1859, p. 227 (copied).— Day, Proc. Zool. Soc. London, 1870, p. 681 

 (Andamans, in estuaries). — Karoli, Termesz. Fiizetek, Budapest, vol. 5, 

 1882, p. 151 (Sarangoon River, Singapore). 



Ambassis productus Gtjichenot, Mem. Soc. Sci. Cherbourg, vol. 12, 1866, 

 p. 130. Madagascar. 



A?nbassis klunzingeri Steindachner, Sitz. Ber. Akad. Wiss. Wein, vol. 82, 

 pt. 1, 1880, p. 238. Tohizona, Madagascar. — Klunzinger, Fische Roth. 

 Meer., 1889, p. 24, pi. 3, fig. 3. 



fApogon roseus Fischer, Jahrb. Hamburg. Anst., vol. 2, 1885, p. 66. Mozam- 

 bique. 



Priopus buruensis (not Bleeker) Fowler, Copeia, No. 58, June 18, 1918, 

 p. 63 (Philippines). 



Depth 2% to 2y 2 ; head 2% to 2%, width 2% to 2%. Snout 4% 

 to 5 in head measured from snout tip; eye 334 to 33^, greater than 

 snout or interorbital; maxillary reaches 34 m eye in young or to front 

 eye edge with age, expansion 4 to 4^2 in eye, length 2% to 2% in 

 head from snout tip; teeth minute, villiform, in narrow bands in 

 jaws, on vomer, palatines and median ridge of tongue; interorbital 

 4 to 434, slightly convex; lower preorbital edge with 7 or 8 serrae, 

 gradually larger below and preorbital ridge with row of smaller ones; 

 a single postero-supraocular spine; lower ridge and edge of preopercle 

 serrate, with serrae larger on edge and enlarged, flat, triangular spine 

 at angle. Gill rakers 8 + 22, slender, lanceolate, \% in eye; gill 

 filaments Yi l° n g as gill rakers. 



Scales 25 to 27 in lateral line to caudal base (sometimes 12, 14 or 

 12, 15) and 4 or 5 more on latter; 5 scales above lateral line, 6 below, 

 16 to 20 predorsal forming median keel to posterior interorbital, 2 

 rows on cheek and none on preopercle flange; caudal covered with 

 small scales basally; dorsals and anals each with well-marked basal 

 scaly sheath. Scales with 5 to 9 basal, radiating marginal striae; 

 circuli moderately fine. 



D. I, VII, I, 9, 1, second erect spine 13^ to 13^ in total head length, 

 first ray V/s to 2; A. Ill, 10, 1, third spine \ 2 Ato\%; caudal 2% to 

 2% in combined head and body to caudal base, deeply forked and 

 lobes slenderly pointed; least depth of caudal peduncle 2% to 3 in 

 total head length; pectoral l}i to 134; ventral 1% to 13^. 



Pale brown with silvery reflections. Scales on back, especially 

 above lateral line each dusted with brown dots marginally. Silvery 

 white band from eye to caudal fin and in formaline forms a narrow, 

 median, axil dusky or neutral gray line, most distinct on tail. Muzzle 

 more or less dusted with brownish. Membrane between second and 

 third erect dorsal spines dusky to blackish. All vertical fins with 



