396 ACANTHOPTEEYGII. 



2. EemigyrmuB fasoiatus, D. A. A. A, L- !• 28-29. Bluish, with wide vertical bands. Red Sea, seas 

 of India to the Malay Archipelago. 



1. Hemigymnus melapterus, Plate LXXXIV, fig. 2. 



Lalms melaptems, Bl. t. 285; Bl. Schn. p. 247 (L.melcmpterus). -R,vi,«r,1« At,. 



ToMtogameUpterus, Cuv. and Val. xiii, p. 311; Bleeker, Verh. Bat. Gen. xxii, p. 16; Eichards. Ann. 

 and Mag. 1843, xi, p. 358. 



Hemmlis melapterm, Swainson, Pishes, ii, p. 228. t?- -u^ ^ oeo 



Bemigymrms melanopt&rm, Giinther, Catal. iv, p. 139 ; Kner, Novara f ische, p. Ib6. 



Labrichthys bioolor, Day, Proc. Zool. See. 1870, p. 696 (yoimg). 



B. vi, D. -^, P. 13, V. 1/5, A. A, 0. 15, L. 1. 27-29, L. tr. 5/14. 



Length of head 3^ to 3^, of caudal 6 to 6f , height of body 2| to 3| in the total length. ^^e*-dianieter 

 4 in the yomg, to 6 or k in the length of head in the adult, 2 to 3 diameters from_ end of snout, and H to 2 

 apart. Lips fery thick, the lower one notched in the middle, and each lateral portion pendant like a wattle 

 TeeiA-a posterior canine is usually present but concealed by the skin. _ Scales-M three rows of very sinaU 

 ones on the cheeks. Golours-hlmsh, brown above, becoming yellowish beneath : a dark niark behind the 

 orbit : scales dotted with blue : dorsal and anal light at their external third, followed by bluish band, external 

 to which they are darker: caudal dark. In the young, the body behind a line from the commencement of 

 the dorsal to the base of the anal, dark violet, some of the lower scales bemg blue spotted : anterior to this 

 nearly white beneath, but darker along the top of the head, whilst most of the scales have more or 



1 pQQ nflT'K* STlOTiS 



HaWai.'— Zanzibar, Andamans, to the Malay Archipelago and Australia. The one figured is from the 

 Andamans, where it is very common, and attains a large size. 



2. Hemigymnus fasciatus. 



Mullm fasoiatws, Thunb. Eeise nach Japan, iv, p. 351, t. 314. 



Lairus fasciatus, Bl. t. 290 ; Bl. Schn. p. 249. 



Spa/rus zenephorus etmeaco, Lacep. iv, pp. 165, 160. 



Ldbrus fuliginosus et melapteronotus, Lacep. iii, pp. 437, 450, 492, 493, and 516. 



Saliehceres sexfasciatus, Riipp. N. W. Fische, p. 18, t. v, f. 3.^^^ 



Scarus quvnquefasciatws, Bennett, Pish. Ceylon, p. 23, pi. xxiii. 



Tawtoga fasoiata, Cuv. and Val. xiii, p. 303, pi. 379; Bleeker, Batav. p. 484; Jerdon, M. J. Sc. 

 1861, p. 135. 



? Tautoga Mertemii, Cuv. and Val. xiii, p. 308. 



ToMtoga sexfasciata, Cuv. and Val. xiii, p. 309. 



Cheiliwus Blochii, Cuv. and Val. xiv, p. 108. 



ErycMhys guinquefasciatus, Swainson, Pishes, ii, p. 226. 



Cheilvrms fasciatus, Swainson, Pishes, ii, p. 229. 



.'' Tautoga leucomos, Bleeker, Biliton, iv, p. 239. 



EemigywMus fasciatus, Giinther, An. Nat. Hist. 1861, p. 386, and Catal. iv, p. 138; Bleeker, Atl. Ich. i, 

 p. 141, t. xlvi, f. 2 ; Klunz. Verh. z. b. Ges. Wien, 1871, p. 647. 



Semigymnus sexfasciatus, Giinther, Catal. iv, p. 139. 



? Semigymmis leucomos, Bleeker, Atl. Ich. p. 142, t. xliv, f. 6 ; Giinther, Catal. iv, p. 139. 



JPanoo-gi/roMiah, " Worm parrot," Cingalese. 



B. vi, D. -3^^, P. 14, V. 1/5, A. ^, C. 14, L. 1. 28-29, L. tr. 5/11. 



Length of head 3f to 4, of caudal 6 to 6|, heigh* of body 3| to 3|- in the total length. Eyes — diameter 5 

 to 6 in length of head, nearly 3 diameters from end of snout. Lips very thick, folded ; the lower one notched 

 in the centre and pendant like a wattle. Teeth — small ones sometimes present at the angle of the mouth. 

 Fins — caudal truncated. Scales — a band of small ones across the cheeks. Golovrs — bluish, with broad 

 rivulated red bands on the head, and a brown spot behind the eye : these marks appear to be sometimes absent. 

 Pive vertical brownish cross bands, wider than the ground colour, descend from the back to the abdominal 

 surface. Dorsal and anal brownish, the lower with blue spots and a blue edge, having a red band below it : 

 anal with two blue longitudinal bands. Caudal brownish, with a blue vertical ba2id. Pectoral yellowish. 

 Outer two-thirds of ventral dark. 



Habitat. — Red Sea, east coast of Africa, seas of India to the Malay Archipelago. 



Genus, 8 — Stethojulis, GUntJier. 

 JuUs, sp. Cuv. and Val. 



BrancMostegals six: lady oUong and compressed. Preopercle entire:, no anterior camne teeth,- a postwar- 

 cwfiine : inferior pharyngeal teeth not confluent or pa/vemeni-lilce. A single dorsal fin with less spines (9) than rays 

 (11) : anal with tlvree spines and the same number of rays as the soft dorsal. Scales of moderate size ; none on the 

 head : no enla/rged row at base of camdalfin. Lateral-line contiyvmv^. 



Geographical distribution.— Ewi coast of Africa, seas of India, to the Malay Archipelago and beyond. 



