FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 235 



(Queensland). — Schmbiltz, Cat. Mus. Godeffroy, No. 7, 1879, p. 39 (Sa- 

 moa). — Macleay, Proc. Linn. Soc. New South Wales, vol. 8, 1883, p. 

 202 (Lower Burdekin River). — Meyer, Anal. Soc. Espaii. Hist. Nat., Madrid, 

 vol. 14, 1885, p. 14 (Manado, Celebes). — Gobgoza, Anal. Soc. Espan. Hist. 

 Nat, Madrid, vol. 17, 1888, p. 284 (Manila Bay).— Saxjvage, Hist. Nat. 

 Madagascar, Poiss., 1891, p. 168 (Amboina). — Dunckek, Mitt. Naturhist. 

 Mus. Hamburg, vol. 21, 1903 (1904), p. 149 (Changi, North East Singa- 

 pore). 



PlectorJmichus aflinis Fowler, Journ. Acad. Nat. Sci. Philadelphia, ser. 2, vol. 

 12, 1904, p. 527 (Padang). 



Diagramma alta Day, Proc. Zool. Soc. London, 1869, p. 514. No locality ; 

 Akyab. 



Diagramma crassilabre ALLEryNE and Macleay, Proc. Linn. Soc. New South 

 Wales, vol. 1, 1877, p. 271, pi. 5, fig. 5. Hall Sound, New Guinea. — Kent, 

 Great Barrier Reef, 1893, p. 369 (Queensland). 



Diagramma unicolor Macleay, Proc. Linn. Soc. New South Wales, vol. 8, 

 1883, p. 261. China Straits, New Guinea. 



Depth 21/8 to 23/5; head 23^ to 2%, width 1% to 2i^. Snout 2i/s 

 to ZYs in head; eye 3% to 5%, ly^ to 2l^ in snout, greater than 

 interorbital in young to 1% with age; maxillary reaches to eye in 

 young, or little beyond front eye edge with age, expansion IV5 to 2 

 in eye, length 3 to 3i/^ in head ; small slit each side of snout front ; 

 lips large, thick, fleshy, very conspicuous and posteriorly extend well 

 beyond maxillary or about % of eye; narrow band of rather small 

 fine teeth in each jaw; palate and tongue toothless; interorbital 

 4% to 41/^, convex; preopercle edge with 25 small denticles. Gill 

 rakers 9 + 20, which % of gill filaments, latter % of eye. 



Scales 50 to 55 in lateral line to caudal base and 3 to 9 more on 

 latter; tubular scales 49 or 50 in lateral line and 4 more on latter: 

 10 scales above lateral line, 16 below, 37 predorsal forward above 

 nostrils, 16 rows on cheek. Suprascapula denticulate. Scales with 

 5 to 9 basal radiating striae ; apical denticles 37 to 51, slender points, 

 with 3 to 7 transverse series of basal elements ; circuli very fine. 



D. XIII or XIV, 16, I, to 18, i, fourth spine II/2 to 23^ in total 

 head length, ninth ray 1% to 21/3 ; A. Ill, 7, i, second spine 1% to 

 2%, fourth ray 1% to 2; caudal li/i to 13^, truncate, rounded as 

 expanded; least depth of caudal peduncle 2% to 3l^; pectoral 1% 

 to 13^ ; ventral ll^ to li/g. 



Largely uniform brown, but little paler on lower sides. Vertical 

 fins and ventrals all more or less with dusky. Pectoral pale. Iris 

 light yellowish in young. 



Red Sea, Arabia, Zanzibar, Zululand, Natal, Madagascar, Sey- 

 chelles, India, Ceylon, Andamans, Pinang, Singapore, East Indies. 

 Philippines, North West Australia, Queensland, Polynesia. A 

 uniformly dark-colored species, easily known by its dorsals deeply 

 divided, caudal little emarginate, very broad fleshy lips and usually 



