256 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



PleGtorhynchus griseus Steindachneb, Denkschr. Akad, Wiss. Wieu, Math.- 

 nat. Klasse, vol. 71, pt. 1, 1917, p. 132 (Makalla, Bal Haf, Tamarida, 

 Sokotra). — Barnard, Ann. South Afric. Mus., vol. 21, pt. 2, Oct. 1927, p. 

 671 (Natal, Zululand, Delagoa Bay). 



Diagramma (Plectorhynchus) grlseum Zugmayek, Abliandl. K. Bayer. Akad. 

 Wiss., Math.-physik. Klasse, vol. 26, 1913, p. 10 (Mekran; Oman). 



Diagrmmna kumut Thiolliere, Fauna Woodlark, 1857, p. 158. Woodlark Island. 



Diagramma. reUculatum Guntheb, Cat. Fish. Brit. Mus., vol. 1, 1859, p. 334. 

 China; Ann. Mag. Nat. Hist., ser. 4, vol. 12, 1873, p. 182 (Zanzibar). — 

 ScHMELTz, Cat. Mus. Godeffroy, No. 6, 1877, p. 13 (Zanzibar). 



Pleotorhynclms reticulatus McCulloch, Biol. Res. Endeavour, vol. 4, pt. 4, 1916, 

 p. 185, pi. 53 (New South Wales and Little Island, West Australia). — 

 Ogilby, Mem. Queensland Mus., vol. 6, 1918, p. 100 (Moreton Bay). 



Plectorhinchus reticulatus Fowler, Proc. Acad. Nat. Sci. Philadelphia, 1925, 

 p. 229 (Delagoa Bay). 



Diagramma sordidum Klunzingek, Verb. zool. bot. Ges. Wien, vol. 20, 1870, 

 p. 735. Koseir, Red Sea ; Fische Roth. Meer., 1884, p. 31, pi. 3, fig. 6. 



Diagramma obscurum Gxjnthek, Proc. Zool. Soc. London, 1871, p. 657, pi. 58. 

 Fiji. 



Diagramma giganteum GiJNTHER, Ann. Mag. Nat. Hist., ser. 5, vol. 4, 1879, p. 136. 

 Ponape. — Schmeltz, Cat. Mus. Godeffroy, No. 8, 1881, p. 5 (Pouape). 



Diagramma jayakari Boulengek, Proc. Zool. Soc. London, 1887, p. 656. Muscat, 

 East Arabia; 1889, p. 245 (Muscat). 



Diagramma durhanense Gilchrist and Thompson, Ann. South Afric. Mus., vol. 

 6, 1908, p. 155. Natal. 



Plectorhinchus durhanensis Fowle», Proc. Acad. Nat. Sci. Philadelphia, 1925, p. 

 228 (Delagoa Bay). 



Diagramma griseum var. playfairi Peillegrin, Bull. Soc. Zool. France, vol. 39, 

 1914, p. (226) 233. Mahambo, Madagascar. 



Plectorhinchus foetela (not Forskal) Fowler, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1925, p. 229 (Delagoa Bay). 



Depth 21/2 to 23/^ ; head SyV to 31/3, width 2 to 21/8. Snout 22/g to 3 

 in head; eye Sy^ to 4, 1% to 1% in snout, little greater than inter- 

 orbital in young to ll^ with age; maxillary reaches opposite hind 

 nostril, expansion 2 to 3% in eye, length 3% to ^% ^^ head; teeth 

 small, simple, conic, in 4 irregular series in jaws, with outer row 

 little enlarged; interorbital 3% to 41/3, broadly convex; preopercle 

 edge with 20 small denticles. Gill rakers 11 + 17, lanceolate, 2% in 

 gill filaments, which I14 in eye. 



Scales 75 to 90 in lateral line to caudal base and 10 to 16 more on 

 latter; tubular scales 52 to 54 in lateral line to caudal base and 9 or 

 10 more on latter ; 12 or 13 scales above lateral line, 17 to 19 below, 

 32 to 34 predorsal forward slightly before front nostril, 14 to 16 

 rows on cheek. Suprascapula entire, scaled. Scales with 7 or 8 

 basal radiating striae; apical denticles 24 to 33, with 4 or 5 transverse 

 series of basal elements; circuli fine. 



D. XII or XIII, 18, 1 or 19, i, fourth spine 21/5 to 214 in total head 

 length, twelfth ray 1% to 2; A. Ill, 7, i, second spine 1% to 1%, 

 second ray 1% to 1% ; caudal V/g to l^^, truncate, slightly convex 



