31. NOVACULA. 175 



cies has been foutided, docs not show any production of tlie anterior 

 dorsal spines. 



D. Cheek scaleless ; the two anterior dorsal spines foi-m a more or less 

 sepaiate division. 



a. Upper edge of the head sharp. 

 15. Novacula pavo. 



Xyi-ichthys pavo, Cuv. Sf Val. xiv. p. 61. pi. 394; Bleek.Atl. Ichth. p. 

 tab. 29. fi^. 2. 



pavoninus, Cuv. Sf Val. xiv. p. G3. 



Novacula pavo, Bleck. Ternatc, vii. p. 379. 



D. 2 I ^. A. ^. L. lat. 30. 



Some small scales behind and below the orbit. The two anterior 

 dorsal spines are flexible, produced, and entirely separate from the 

 remainder of the fin ; the outer ventral ray is produced, llosy : a 

 black, blue-edged spot on the back, below the sixth dorsal spine ; 

 sides of the head and vertical fins with oblique and transverae undu- 

 lated blue lines ; anal with a blue band along the margin. 



Bourbon, Mauritius, Cocos, Ternate, Sandwich Islands. 



nf. Adult : stuff'ed. Mauritius. 



16. Novacula dea. 



Xyi'ichthys dea, Schleg. Faun. Japan. Puiss. p. 171. pi. 87. 



puniceus, Richards, Jchlh. Chin. p. 2G1. 



Novacida dea, Bleek. Act, Soc. Sc. Indo-Nederl. iii. Japan, iv. p. 20. 



D. 2 I ^. A. l^. L. lat. 28. 



Some small scales below the orbit ; the two anterior dorsal spines 

 are flexible, produced, subcontinuous with the remainder of the fin ; 

 the outer ventral ray is produced. Eosy : a black, blue-edged spot 

 on the back, below the sixth dorsal spine. Dorsal with numerous 

 oblique bluish lines ; anal with a bluish band along the base ; caudal 

 edged with blue superiorly and Inferiorly. 



Japanese Sea. 



a. Fine specimen. From Dr. P. v. Blocker's Collection. 

 17. Novacula tetrazona. 



Novacula tetrazona, Blevh. Bali, iii. p. 1G9. 



Xyrichthys tetrazona, Bleck. Atl. IcMh. p. . tab. 30. fig. 1. 



D.2|:^. A.ii. L. lat. 28. 



A few very small scales below the eye ; the two anterior dorsal 

 rays are entirely separate from the remainder of the fin, and much 

 prolonged. Yellowdsh-rose, with five very broad brownish-black 

 cross-bands, the anterior of which is on the head ; most of the scales 



