FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 533 

 ANALYSIS OF SPECIES 



a\ Delsmania. Scales 21 to 24 in lateral line, 2 or 3 above ; pectoral 3 in com- 

 bined head and body to caudal base formosus 



a'. ScLEROPAGES. Scales 34 to 39 in lateral line, 3 to 5 above; pectoral 3^2 to 

 414 in combined head and body to caudal base. 

 &\ Scales 3 or 4 above lateral lines ; D. 20 ; A. 31 ; pectoral 4i^ in combined 



head and body to caudal base leichardti 



6'. Scales 4 or 5 above lateral line ; D. 16 to 19 ; A. 27 to 29 ; pectoral 3^4 in 

 combined head and body to caudal base guntheri 



Subgenus Delsmania Fowler 



Scales 21 to 24 in lateral line, 2 or 3 above. Pectoral 3 in com- 

 bined head and body to caudal base. 



SCLEROPAGES FORMOSUS (Schlegel and Muller) 



Osteoglossum fonnosum Schlegel and MtJLLEE, Verb. Nat. Ges. Nederland. 

 Zool., p. 1, pi. 1, 1829-41 (type locality: Borneo). — Valenciennes, Hist. Nat. 

 Poiss., vol. 19, p. 225, 1846 (copied). — Bleeker, Atlas Ichth. Ind. Neerland., 

 vol. 6, p. 145, pi. (18) 276, fig. 2, 1866-72 (Sumatra, Banka, Borneo).— 

 GtJNTHER, Cat. Fishes British Mus., vol. 8, p. 378, 1870 (Borneo). — Maetens, 

 Preuss. Exped. Ost-Asien, vol. 1, pp. 304, 312, 404, 1876 (Danau, Sriang, 

 Borneo). — Vincigijeera, Ann. Mus. Civ. Stor. Nat. Genova, ser. 3, vol. 10, p. 

 623, 1926 (Ludu, Borneo). 



Scleropayes formosus Webeb and Bbla.ufoet, Fishes Indo-Australian Archipelago, 

 vol. 2, p. 13, fig. 7, 1913 (Palembang, Sumatra, Borneo).— H. M. Smith, 

 Copeia, 1931, p. 64 (Kratt). — Fowler, Proc. Acad. Nat. Sci. Philadelphia, 

 vol. 85, p. 243, 1934 (reference); vol. 86, p. 335, 1934 (Kratt).— Harden- 

 BEEG, Treubia, vol. 14, livr. 3, p. 304, 1934 (Pulu Perdamaran, Rokan River 

 mouth, Sumatra) ; vol. 15, livr. 3, p. 226, 1936 (Sungei Terentang, middle 

 course Kapuas R., Borneo). — Suvatti, Index Fish. Siam, p. 75, 1937 (Trat ; 

 Maenam Trat). — Fowler, List Fish. Malaya, pp. 22, 246, 1938 (reference). 



Depth 3I/2 nearly to 5 ; head 31/2 to 4. Snout 4% in head ; eye 4 to 

 4^, subequal with snout, li/^ in interorbital ; maxillary reaches be- 

 yond eye, 1% in head; chin prominent, with 2 stout fleshy barbels, 

 little shorter or longer than eye; interorbital rather low. Gill 

 rakers 8, stout, i/4 shorter than gill filaments or % of eye. 



Scales 21 to 24 in lateral line, of which last 1 or 2 on caudal base ; 

 2 or 3 above, 3 below, about 21 predorsal. Scales large, with prom- 

 inent, reticulated striae. 



D. 20, origin over middle of anal base, height of fin 2% in head ; 

 A. 26 or 27, height of fin 2%; caudal 1%, hind edge convex; least 

 depth of caudal peduncle 3%; pectoral 2% in combined head and 

 body to caudal base ; ventral 1% in head. 



Above dark olivaceous-green, sides and ventral surface silvery or 

 golden green, sometimes with longitudinal rows of oblique dark 

 patches, shining through lateral scales. Fin membranes bluish, rays 

 reddish brown. Length, 430 mm. (Weber and Beaufort.) 



East Indies. Buccal incubation has been noticed by Fuhrmann 

 (1905). 



