but afterwards refers his sjieciinens to N. pentadacti/la (Synon. La"br. 

 p. 22). 



23. Novacula twistii. 



Novaciila twistii, Bleek. Tmiafe, vii. p. 881. 

 Hemipteronotiis twistii, Bleek. AH. Ichth. p. . tab. 29. fig. 1. 



D. 2 I ^. A. ^. L. lat. 27-28. 



Cheek scaly ; the two anterior dorsal spines are Hexible, slightly 

 produced, remote from, and subcontinuous with, the remainder of the 

 fin. The outer ventral ray is slightly prolonged. Greenish -rose, 

 with a large red blotch on the middle of the side, below the lateral 

 line ; a lighter spot below the red one. Dorsal fin with oblique bluish 

 lines ; the other fins uniform. 



Tern ate. 



a. Adult. From Dr. P. v. Blocker's Collection. 



Novacula cchhica, liluck. Act. Soc. 8c. Indo-Ncdcrl. i. Manado en 

 Makassar, p. 01 (or Hemipteronotas veJehicus, Block. Atl. Ichth. tab. 30. 

 fig. 5), is closely allied to this s])ecics, but is said to differ in having 

 a large oblong red or violet spot on the free portion of the tail. — 

 Celebes. 



a. Bad state. From Dr. P. v. Blocker's Collection. 



24. Novacula melanopus. 



Novacula melanopus, Blccler, Act. Soe. Sc. Indo-Nederl. ii. Anilmna, 



viii. p. 82. 

 Ilemipteronotus melniiopus, Blceh. Atl. Ichth. p. . tab. 29. fig. ,'?. 



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



Cheeks scaly ; the two anterior dorsal spines are flexible, slightly 

 produced, remote from the third, with the base of which the mem- 

 brane of the second is united ; the outer ventral ray is produced. 

 Greenish-rosccoloured, with a large oblong red blotch on the side ; 

 vertical fins with oblique or transverse bluish lines ; a large dark- 

 violet spot on the posterior lower part of the anal. 



Amboyna. 

 a. Fine specimen. Amboyna. Purchased of Mr. Frank. 



25. Novacula spilonotus. 



Novacula spilonotus, Bleeher, Act. Soc. Sc. Indo-Ncdcrl. ii. Amhoiua, 



viii. p. 83. 

 Ilemipteronotus spilonotus, Blcch. Atl. Ichth. p. tal). 30. fig. 3. 



D. 2|f^. A.;^. L. lat. 28. 



Checks scaly ; the two anterior dorsal spines are flexible, slightly 

 produced, remote from the third, with the base of which the mem- 

 brane of the second is united ; the outer ^ entral ray is produced. 



