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Show 140 PISCES. f h Ch""todons properly so styled, are distinguished Some o t ese """ ' . rr om the oth ers b Y a filament formed by the prolongation of one, or several of the soft rays of the dorsal. ( 1) Finally, some are remarkable for the very small number of the spine of their dorsals. (2) CnELMON, Cuv. S eparat e d f rom Ch.....,. .todon on account of the extraordinary fo.r m or t h e snou t , w hI. C }1 I·s long and slender, on•l y open at t• he extrem• ny, and formed by a mo:;t excessive prolongation of the mtermax1llary and lower jaw. Their teeth are very fine and crowded, (en fin ve. lours) rather than like hairs. One species, Chret. rostratus, L., BI., 202, has the faculty of s urting drops of water on the insects it perceives on the shore, apn d thus bringing them w·i th·m reac h • It I. S a common pas t'1 me of the Chinese at Java.(3) HENIOOHus, Cuv. Differs from the true Chretodon, because the first spines of the back, and particularly the third or fourth, rapidly increase in length, forming a filament sometimes double the length of the body, andre· sembling a kind of whip.( 4) EPHIPPus, Cuv. Distinguished by a dorsal deeply emarginated between its spinous and soft portions; the spinous part, which has no scales, can be folded into a groove formed by the scales of the back. In one of the subdivisions, there are three spines in the anal fin, and oval pectorals. America prodHces a species (Eph. gigas, Cuv., remarkable for the great enlargement of the first interspinal of its dorsal 5;-Ch. bimaculatus, ln., 219, 1;-Clt. plebeius, Gm.;-Clt. unimaculatus, Bl., 201, 1;-Ch. sebanus, Cuv., Seb., III, xxv, 11;-Ch.ocellatus, Bl., 211, 2. (1) Chmt. setifer, m., 426, 1;-Ch. auriga, Forsk.;-Ch.principalis, Cuv., Ren. part II, lvi, 239, Valent., No. 407. . (2) These species are new, as well as many others which belong to preceding subdivisions-they will be described in our Icthyology. (3) Schlosser, Trans. Phil., 1767, p. 39.-Add: 01~. longirostris, Brousson, Dec. Icthyol. (4) Chmtodon macrolepidotus, L., Bl., 200, 1; the C/unt. acuminatus, L., Mus. Ad. Fred., XXXIII, f. 2, appears to be a mere individual variety of it;-the Chmt. cornutus, L., Bl., ZOO, 2, of which the Chret. canescens, L., Seb., III, xxv, 7, is only a young uncoloured specimen. ACANTHOPTERYGil. 141 and anal fins, which is clavate, and for a similar inflation of the crest of the cranium. ( 1) In a second subdivision, from the Indian Ocean, there are three 'Spines in the anal, and long and pointed pectorals.(2) A third, also from the Indian Ocean, has four anal spines, and very small scales. One species, Chretoclon argus, L., Bl., 204, 1, has the reputation of feeding, de preference, upon human excrement.(3) Another species of this same subdivision has been discovered in a fossil state in Mount Bolca.( 4) The TAuRIOIITES are Ephippii of India, which have an arcuated and pointed horn over each eye.( 5) HoLACANTHus, Lacep. A large spine at the angle of the preoperculum, and the edges of the same bone, in most species, dentated. Their flesh is excellent, and they are remarkable for the beauty of their colours, and the regularity with which they are distributed. Numerous species abound in both oceans.( 6) Their form is oval or oblong; we may separate (rom them the PoMAOANTHus, Cuv. In which the form is more elevated; a circumstance resulting from the more sudden rise of the edge of the dorsal.(7) The only species known are from America. (1) Add: Chretodon faber, Brousson., Bl., 212, 2, of which the Cltret. Plumieri, Id., 211, 1, may be a variety;-Cltret. orbis, Bl., 202, 2. (2) Chmt. punctatus, L., or Latte, Russ., 79;-Chret. longimanus, Bl., Schn., Russ., 80;-Eplt. terla, Cnv. Russel, 81. (3) Add, Cluxt. tetracantltus, Lacep. ill, xxv, 2 . . (4) Ittiolitologia Veronese, pl. v, f. 2, where it is figured as the .llrgus, but it is a d1fferent species. (5) The Bujfalo-fislt of the Malays, Taurichthys varius, Cuv., well figured by Ren. I, xxx, 164, Valent., No. 71;-T. viridis, Ren., II, x, 49, Valent., No. 161. (6} American species, Cltret. ciliaris, L., Bl., 214, or Isabelita, Parra, VII, 1, or Clutt. couronne, Desmar., Dec. Icthyol.;-Clucl. tricolor, Bl., 425; Duham., Sect. IV, pl. xxiii, 5. India species, Cltret. bicolcr, Bl., 206, 1;-Ch. mesoleucos, BI., or mesomelas, Gm., Dl., 216, 2;-Holac. amicalis, Cuv., Ren. I, xvi, 92;-Ch. annularis, lll., 215, 2;-Clt. imperator, Bl., 194;-Clt. fasciatus, Bl., 195;-0lt. nicobariensis, Bl., Schn., 50~ or Geometricus, Lacep., IV, xiii, 1;-Hol. Lamark, Lacep., IV, 531, Renard, I, x:x:vi, 144, 145, and several new species. (7) Chmt. aureus, Sl., 193, I, or O!tirivita jaune, Parra, VI, 2;-ClUJJt. paru, Bl., l97, or Cltirivitanoir, Parr., VI, 1;-Clt. 5-cinctm, Cuv., Guaperva, Marcgr., 178;Ch. arcuatus, L ., B)., 204, 2. \ |