EAiHLT, XLI— LABRrD.3;. 409 



Geographical didrihution.—'Easi, coast of Africa, seas of India to the Malay Archipelago. 



SYNOPSIS OF INDIVIDUAL SPECIES. 

 1. Cymolutes prmtextatus, D. J^, A. •^, L. 1. 73. Olive or greenish, with a dark band across the shoulder. 

 East coast of Africa, Ceylon, Mauritius, to the Malay Archipelago. 



1. Cymolutes prsetextatus, Plate XC, fig. 1. 

 Julis prcetextatus, Quoy and Gaim. Voy. Astrol. Pois. p. 712, pi. 1.5, f. 4; Cuv. and Val. xiii, p. 50.5. 

 Xirichthys torqicatus, Cuv. and Val. ziv, p. 64. pi. 392. 

 Xirichthys novaculoides, Bleeker, Amboina, iii. p. 122. 

 Novacula xirichtJioides, Bleeker, Nat. Tyds. Ned. Ind. x, p. 488. 



Cymolutes prcetextatus, Giinther, Ann. Nat. Hist. 1861, p. 387, Catal. iv, p. 207, and Fish. Zanz. p. iU- ; 

 Bleeker, Atl. Ich. i, p. 146, t. xxxi, f. 1. 



B. vi, D. ^, P. 13, V. 1/5, A. ^, C. 13, L. 1. 73. 



Lencrth of head 4 to 41, of caudal 7 to 7h, height of body 4i in the total length. J?;/es— high up, 

 near dorsaf profile, diameter 4i in the length of the head, 2 diameters from end of snout, and 1 apart, bnout 

 parabolic : lower jaw shghtly the longer. The greatest width of the head equals half its height. Colours— 

 greenish, with a dark blue-edged band across the shoulder. Variety—" pale olive : head immaculate : body 

 covered with narrow brown lines, angularly bent, the angle pointing backwards : these are generally darker 

 on the shoulder. Sometimes a round black spot below the lateral-line, and under the sixth dorsal spme. 

 Dorsal pale violet, with irregular reddish lines and spots : the specimens without the lateral blotch have a 

 deep black margin to the spinous portion. Anal uniform orange or rosy: caudal orange, with yellowisli 

 transverse lines : ventrals and pectorals transparent." . 



Habitat.— Ilsist coast of Africa, Ceylon, Mauritius, to the Malay Archipelago. The specunen fagured is 

 from a specimen in the British Museum collection. 



Genus, 16 — Pseudodax, Bleeker. 

 Odax, sp. Cuv. and Val. 



Branchiostegals six. Body ohlong, compressed. Upper jaiv imth one, lower luith two, pairs of hroad incisors, 

 hajving cutting lateral edges : teeth in the pharyngeals confluent and pamement-like. A single dorsal fin having near iy 

 the same number of spines {\l) as rays {V2) : anal with three spines and more rays (14) thaii the second dorsal. 

 Scales of moderate size, extended over the cheeks and opercles : an enlarged rmv at base of caudal fin. Laterat-line 

 continuous. 



SYNOPSIS OF INDIVIDUAL SPECIES. 

 1. Pseudodax Muluccanus, D. \\, A. Jj, L. 1. 32-33. Brownish red, with a dark spot on each scale of body 

 and opercles. Nicobars to the Malay Archipelago. 



1. Pseudodax Moluccanus, Plate LXXXIX, fig. 1. 

 Odax Moluccanus, Cuv. and Val. xiv, p. 306, pi. 408, fig. 2 (head) ; Cuv. Eeg. Anim. Ill Poiss. t. 91, 

 f. 3; Bleeker, Manado, p. 64; Kner, Sitz. Wien Acad. 1860, p. 56, t. ii, f. 18 (Pharyngeal apparatus). 



Pseudodax moluccanus, Bleeker, Atl. Ich. i, p. 80, t. xxii, f. 2, and t. xvui, f. 6 ; Gunther, Catal. iv, 

 p. 208 ; Guichenot, Mem. Soc. Imp. Sc. Nat. Cherb. 1865, p. (>7. 



B. vi, D. W, P. 15, V. 1/5, A. Jj, C. 14, L. 1. 32-33, L. tr. 4/12. 



Length of head A\, of caudal 8, height of body 3^ in the total length. %es-diameter 6| in the length 

 of head, 2 diameters from end of snout, and li apart. Teeth— t\e outer incisor on either side of symphysis ot 

 lower iaw recurved. Colours— h&ck brownish-red, becoming hghter on the abdomen, most ot the scales on the 

 body with a dark central spot. Teeth green. Dorsal and anal yellow in their basal portion, the former having 

 black reticulated lines, a dark base, and a blue margin : anal with from two to iour dark undulating 

 longitudinal bands and a dark blue-margined outer edge. Pectoral with a dark mark at its base. Caudal 

 brown, with a blue posterior edge, some vertical darker bands, and the large scales at its base ot a 

 light bufi: colour. . i /o o • i, 



fl-fti/fttf.— Nicobars, east coast of Africa, to the Malay Archipelago. The specimen figm-ed (b'i inches 

 in length) is from the Malay Archipelago, and for it 1 am indebted to Dr. Hubrecht, of Leyden. 



Genus, 17 — ScAEicHTHTS, Bleeker. 



Body oblong, compressed. Upper lip double in its whole extent. Teeth in one row, anteriorly soldered 

 together, those in the mandibles being in a very oblique row : the inferior pharyngeal toothed plate broader than long. 

 A single dorsal fin with less spines (9) which are fle.vible, than rays (10) : two anal spines and eight rays, bcales 

 large, a single row on the cheeks. Lateral-line entire. 



Geographical distribidion.—Red Sea east coast of Africa, seas of India, to the Malay Archipelago, and 

 also tropical portion of the Pacific. „ 



