FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 257 



behind as expanded, with age little emarginate ; least depth of caudal 

 peduncle 2% to 23/5 ; pectoral 1% to li/o ; ventral 1% to II/3. 



Back and upper surface ecru drab, lower sides and under surface 

 of head and body whitish. Vertical fins ecru drab to light brown. 

 Pectoral pale basally, neutral brown to dusky terminally. Iris pale 

 yellowish. 



Red Sea, Arabia, Zanzibar, Delagoa Bay, Zululand, Natal, Mauri- 

 tius, Madagascar, Seychelles, India, Ceylon, East Indies, China, 

 Queensland, Melanesia, Micronesia, Polynesia. Known chiefly by 

 its uniform brownish coloration, reaching 915 mm. 



21607, 13880. Matnog Bay. May 31, 1909. Length 90 to 119 mm. 



8776. Quinalasag Island. June 12, 1909. Length 377 mm. 



22895. Sui-igao. May 8, 1908. Length 77 mm. Brown with traces of 5 darker 



horizontal bands on head. 

 4340 [Sta. 5066]. Length 235 mm. 



PLECTORHINCHUS CHUBBI (Regan) 



Diagramma chubhi Regan, Ann. Durban Mus., vol. 2, 1917, p. 199, fig. 2. 



Durban, Natal. 

 PlectorJumchus chubhi Baknaijd, Ann. South Afric. Mus., vol. 21, pt. 2, Oct. 1927, 



p. 673 (Natal). 



Depth 21/2 to 2% ; head 3 to 314. Snout 31/8 in head from snout tip ; 

 eye 3 to 31/2, little longer than snout or interorbital width; maxillary 

 barely reaches eye, expansion 2% in eye, length 3i/^ in head; inter- 

 orbital but very slightly convex ; hind preopercle edge serrate. Gill 

 rakers 21 or 22 on lower part of first arch. 



Scales 110 in longitudinal series ; 60 to 67 tubular scales in lateral 

 line, 15 to 17 above. Preorbital scaly posteriorly. 



D. XI, 15 to 17, fourth spine 2% in total head length, fourth ray 

 2; A. Ill, 7 or 8, second spine 21/5, fifth ray 2; caudal V/^, truncate 

 or slightly emarginate ; least depth of caudal peduncle 2% ; pectoral 

 1% ; ventral II/2. 



Uniform grayish. Spinous dorsal edge, band on soft dorsal and 

 ends of caudal, anal and ventrals more or less blackish. Length 150 

 mm. (Regan, Barnard.) 



Natal coast. The type 123 mm. long in the British Museum. 



PLECTORHINCHUS CHAETODONOIDES Lacepede 



Plectorhinchus chaetodonoides LiAO&ptDK, Hist. Nat. Poiss., vol. 2, 1800, pi. 13, 

 fig. 2 ; vol. 3, 1802, pp. 134, 135. No locality.— Fowler, Mem. Bishop Mus., 

 vol. 10, 1928, p. 205 (compiled) ; Proc. Acad. Nat. Sci. Philadelphia, 1929, p. 

 608 (Hong Kong). 



PlectorhyncJms chaetodonoides Bleeker, Atlas Ichth. Ind. N^erland . vol. 7, 

 1873-1876, pi. (23) 301. fig. 3, pi. (25) 303, fig. 2.— Jordan and Seale. Bull. 

 Bur. Fisher., vol. 25, 1905 (1906), p. 267 ( Apia ) .—Beaufort, Bijd. Dierl^., 

 Amsterdam, pt. 19, 1913, No. 9, p. 121 (Ambon). 



