464 rh'OCEEDINGS OF THE XATIONAL MUSEUM. vol. 37. 



24. CHELIDOPERCA HIRUNDINACEA (Cuvier and Valenciennes). 

 HIMEKODAI:'! (Princess-perch). 



' Centroprislis hirundinaceus Cuvier and Valenciennes, vol. 7, 1831, p. 450 

 (Japan). — Temminck and Schlegel, Faun. Japon., Pise, 1842, p. 14, pi. 

 5, fig. 1 (Nagasaki).— GiJNTHEU, Cat. Fishes, vol. 1, 1859, p. 87. — Bleeker, 

 Acta See. Ind Neerl., vol. 8, 1860, p. 75 (Japan). — Steindachner and Dod- 

 ERLEiN, Denkschr. Akad. Wien, vol. 47, 1883, p. 233 (Tokyo). — Nystrom, 

 Svensk. Vet. Akad. Handl., vol. 13, pt. 4, no. 4, 1887, p. 7 (Nagasaki).— 

 Namiye, Class. Cat., 1881, p. 93 (Tokyo).— Ishikawa, Prel. Cat., 1897, p. 

 57 (Tokyo). 



Chelidoperca hirundinacea Boulenger, Cat. Fishes, vol. 1, 1895, p. 305. — Jor- 

 dan and Snyder, Proc. U. S. Nat. Mus., vol. 23, 1901, p. 751 (Yokohama). — 

 Smith and Pope, Proc. U. S. Nat. Mus., vol. 31, 1906, p. 468 (Kochi; Urado). 



Centropristes pleurospilus Gunther, Shore Fish, Challenger, 1880, p. 37, pi. 16, 

 fig. 2 (Arafura Sea). 



(Coast of southern Japan and southward.) 



Head 3; depth 3.75; depth caudal peduncle 2.8 in head; eye 3.5; 

 snout 3.75; mterorbital space flat, 2.5 in eye; maxillary 1.9 in head, 

 width of its extremity 2 in eye; dorsal X, 10; anal III, 6; scales 

 4-47-12. Form elongate, moderatel}^ compressed, back little ele- 

 vated; profile slightly convex; muzzle pointed; mouth large, low, lit- 

 tle oblique; maxillary not reaching to opposite back of orbit; lower 

 jaw prominently projecting, the anterior teeth not entirely covered 

 when mouth is closed. Jaws with bands of villiform teeth; tongue 

 smooth; nostrils subequal, the anterior with conspicuous flaps; pre- 

 opercle rounded, with small sharp, evenly placed serratures behind 

 and below; opercle with two sharp spines; gill-rakers 12, including 

 rudiments, the longest about equal to the corresponding filaments. 

 Scales unevenly ciliate, thin and somewhat deciduous; cheeks and 

 opercles, parietal frontal region and most of chin scaled; nose and 

 maxillaries naked. Spinous dorsal inserted a very little behind base 

 of pectoral; dorsal spines slender and flexible, the fourth or fifth 

 longest, 2.65 in head; caudal emarginate, the upper rays somewhat 

 produced; anal spines feeble, the third little more than half length 

 of first soft ray; ventrals inserted in front of pectorals, their length 

 1.4 in head, nearly reaching vent (specimen 6 inches) ; pectorals 

 pointed, 1.3 in head, reaching to Vent. 



Color in spirits light olive, with tinge of purplish; in life rosy, with 

 a yellow lateral stripe; young specimens are said to have a series of 

 four or five oblong black spots along the side of the body; spinous 

 and soft dorsal spotted. 



Of this species we have two specimens, one 6 inches long, from 

 Suruga Bay, and one 5 inches, from Yokohama market, doubtless 

 from Sagami Bay. The species is rather rare in the Kuro Shiwo. 



(hirundinaceus, like a swallow.) 



« Hime, daughter of a daimio. 



