5. JIONACANTHUS. 239 



(l-f/. Ilalf-gi'own. Singapore. 



h. Adult reiiKilc. Ambojna. Purchased of Ilr. Frank. 



{. Adult. Coram. Purchased of Hr. Frank. 



A-. Several young specimens. Australia. Purchased of Mr. Dalton. 



13. Monacanthus sulcatus. 



Monacanthus sulcatus, HoUard, Ann. Sc. Nat. 1854, ii. p. 363, pi. 14. 



fig. -i (not good). 

 isogramma, Blcek. Nat. Tyds. Ned. Ind. xiii. 1857, p. 367 ; Atl. 



IcJtth. liulist. p. 128, pi. 222. fig. 1. 



D. 29-32. A. 31-33. 



Scales minute, spiny, each with a keel, the heels confluent, form- 

 imj iMraUel lo)u/itudinal raised lines. Body rather elevated, its 

 depth being a little more than one-half of the total length (without 

 caudal). The dorsal profile between the dorsal fins somewhat oblique, 

 the commencement of the second dorsal fin being the highest point. 

 Snout slightly pointed, with the upper profile nearly straight. Dor- 

 sal .spine of moderate strength, tapering, shorter than the head, armed 

 with two series of barbs behind, situated above the posterior part of 

 the orbit. Caudal fin rounded, sometimes with the upper ray pro- 

 duced into a short filament. Dorsal and anal fins of moderate height. 

 Ventral spine moveable, tapering, rough, free from and extending 

 beyond the ventral flap. Brovm, irregularly marbled with darker ; 

 sometimes a rounded blackish blotch below the anterior third of the 

 dorsal. 



East-Indian archipelago ; Chinese and Australian seas. 



a. Three and a half inches long. Java. From Dr. Bleeker's Col- 



lection. — Tyjie of M. isoijramma. 



b, c, d. Three and a half inches long. China. 



e,f. Three and a half inches long. North China. Purchased of 



Mr. Jamrach. 

 g-h. Three and a half inches long. Australia. Collected by Mr. 



McGillivray. 

 i-m. Three and a half inches long. From the Haslar Collection. 



14. Monacanthus setifer. 



Monacanthus setifer, Bennett, Proc. Coinm. Zool Soc. 1830, p. 112 ; 



HoUard, Ann. Sc. Nat. 1854, ii. p. 342, pi. 12. fig. 4. 



cinifer, Schler/. Faun. Japon. Poiss. p. 290, pi. 130. fig. 1 ; Blcek. 



. Act. Soc. Sc. Indo-Neerl. iii. Japan, iv. p. 31. 

 varius, Ranzani, Nov. Comm, Ac. Sc. Inst. Bonon. 1842, v. p. 6, 



tab. 2. 

 broccus, Storer, Proc. Bost. Soc. Nat. Hist. 1842, p. 84 (not 



3Iitch.). 

 filamentosus, Valenc. in Webb ^- Berthcl. lies Canar. Poiss. p. 05, 



pi. 17. fig. 1. 



gallinula, Valenc. I. c. 



signifer, Storer, Mem. Am. Ac. ii. 1840, p. 497, and viii. p. 426 



(pi. 35. fig. 1). 

 auriga, Lowe, Proc. Zool. Soc. 1850, p. 253. 



