90 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



AMIA MONOCHROA (Bleeker) 



Apogon monochrous Bleeker, Act. Soc. Sci. Ind. Neerland. (Manado), vol. 

 1, 1850, p. 34. Manado, Celebes. — Gunther, Cat. Fish. Brit. Mus., vol. 1, 

 1859, p. 236 (Amboina, East Indies, Fiji). — Klunzinger, Verh. zool. bot. 

 Ges. Wien, vol. 20, 1870, p. 715 (Koseir, Red Sea).— Meyer, Anal. Soc. 

 Espafi. Hist. Nat., Madrid, vol. 14, 1885, p. 12 (North Celebes and 

 Cebu). — Gorgoza, Anal. Soc. Espafi. Hist. Nat., Madrid, vol. 17 ,1888, p. 

 283 (Samar). — Elera, Cat. Fauna Filip., 1895, p. 470 (Manila Bay and 

 Cebu coast). — Regan, Ann. Durban Mus., vol. 1, 1914-17, p. 168 

 (Durban, Natal). — Gilchrist and Thompson, Ann. Durban Mus., vol. 1, 

 1917, p. 340 (compiled). — Barnard, Ann. South Afric. Mus., vol. 21, 



1927, p. 517 (Natal coast). 



Amia monochroa Evermann and Seale, Bull. Bur. Fisher., vol. 26, 1906 



(1907), p. 72 (Bulan). 

 Amia fusca (not Qtjoy and Gaimard) Fowler, Mem. Bishop Mus., vol. 10, 



1928, p. 159 (part). 



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

 43^ in head from snout tip; eye 2% to 3, greater than snout or inter- 

 orbital; maxillary reaches Y2. to % in eye, expansion 2% to 2%, 

 length 2 to 2}/% in head; teeth villiform, in bands in jaws and on 

 vomer, none on palatines; interorbital 4^ to 4%, very slightly con- 

 vex or nearly level; preopercle ridge entire, edge finely serrated. Gill 

 rakers 7 + 20, finely lanceolate, longer than gill filaments or 3^ of eye. 



Scales 23 or 24 in lateral line to caudal base and 3 or 4 more on latter; 

 2 above, 6 below, 3 or 4 predorsal, 2 rows on cheek; head naked, 

 except cheeks and opercles. Tubes in lateral line simple, large, well 

 exposed, each with small exposed basal scale. Scales with 10 to 12 

 basal radiating striae; 96 to 100 apical denticles with 3 transverse 

 series of basal elements; circuli fine. 



D. VII-I, 9, 1, fourth spine 2 to 2Ko in total head length, first ray 

 \% to 1%; A. II, 8, 1, second spine 3 to 3)^, first ray 1% to 2; 

 caudal 1}4 to 1%, hind edge emarginate; least depth of caudal 

 peduncle 2% to 2%; pectoral l}/£ to 1%) ventral 1% to 1%. 



Pale brown generally, under surface whitish. Iris brown. First 

 dorsal with dull brown dusting, other fins whitish. 



Red Sea, Natal, East Indies, Philippines, Polynesia. 



Our specimens appear to be the same as those described by Bleeker. 

 He makes no mention of the spot at the base of the posterior rays of 

 the second dorsal or traces of stripes on the back and opercle. 



Three exanples. Batangas market. June 7, 1908. Length 57 to 81 mm. 

 Four examples. Jolo. February 14, 1908. Length 84 to 98 mm. (D. 5136.) 

 Two examples. Jolo. March 5, 1908. Length 64 to 77 mm. (D. 5174.) 

 23702. Jolo. March 6-7, 1908. Length 70 mm- 



Three examples. Mansalay, Mindoro. June 4, 1908. Length 61 to 68 mm. 

 1180. Pagbilao Island, Capulaan Bay. February 24, 1909. Length 45 to 50 mm. 

 2035, 2036. Sulade Island, Sulu Archipelago. February 16, 1908. Length 70 



to 72 mm. (D. 5147). 

 16628 to 16633. Sulade Island. February 16, 1908. Length 68 to 81 mm. (D. 



5146). 



