31. NOVACtJLA. 171 



pectoral ; belly violet between the pectoral and ventral tins ; head 

 without bands ; caudal with transverse, anal with obliijue bluish 

 streaks. (Bleck.) 

 Java. 



4. Novacula cyanifrons. 

 Xyrichthys cyanifrons, Cuv. i^- VaL x\\. p. 46. 

 1) i- A A 



Closely allied to N. cultrata. The two first dorsal spines are flexi- 

 ble and a little longer than the following; ventral fins produced, 

 extending to the origin of the anal, llose-colourcd ; a blue band 

 along the upper ridge of the head to the dorsal fin ; dorsal with 

 oblique, caudal with transverse blue streaks. (Val.) 



Pondicherrj-. 



5. Novacula martinicensis. 



Xyiiclithys martinicensis, Cut: ^- Val. xiv. p. 49. 



12 12 



Similar to N. cultrata, but rather more elongate, its height being 

 one-fourth of the total ; all the dorsal spines flexible, not produced. 

 Eose-coloured, each scale with a vertical streak ; head immaculate. 

 (Val.) 



Martinique. 



6. Novacula uniocellata. 



Xirichthys imiocellatus, Spix, Pise. Brasil. p. 97. tab. 55; Cuv. df Val. 

 xiv. p. 48. 



D. ^. A. ^. L. lat. 27. L. transv. 2/9. 



Dorsal spines not produced, the two anterior flexible ; a few rudi- 

 mentary scales below the orbit ; the ventral fins extend to the vent. 

 Yellow, the lower parts with a reddish tint ; each scale with a ver- 

 tical hght-%-iolet streak, the streaks being silverj- on the scales of the 

 belly. Head with numerous pearl-coloured vertical lines ; a bright- 

 red cross-band behind the extremity of the pectoral. Dorsal and 

 anal red, yellow posteriorlj-, the former \vith a black ocellus edged 

 with white between the sixth and seventh spines ; caudal yellow, 

 \sath indistinct Wolet transverse lines. 



Coast of Brazil. 



a. Vorj' fine specimen. Bahia. From Dr. O.Wucherer's Collection. 



7. Novacula lineata. 



y Cor^^phfena lineata, L. Gm. Syst. i. p. 1195; Bl. Schn. p. 297. 

 XjTichthys liueatus, Cuv. ^- Val. xiv. p. 50. 



D. ^. A. ^. L. lat. 25. L. transv. 2 10. 



Several small scales below the orbit ; the two anterior dorsal 

 spines are flexible, not produced ; the outer ventral rny jirolunged, 

 not extending to tlie vent. Rose-coloured ; a large oblong (in 



