'). MOXACANTUUS. 247 



armed witli spikes. Caudal Hn rounded. I^rown?sh grey ; bluish- 

 green curved lines oi: the sides oi the snout; other stripes helow 

 them, of a brown colour, and running towards the pectoral and the 

 abdomen. Bi-own horizontal lines on tlie upper anterior i)art of the 

 trunk. Uppei' half of the body with three broad, black longitudinal 

 bands. Caudal fins with two blackish cross bands and whiU^ 

 margin. {Stcind.) 

 China. 



26. Monacanthus gunnii. 

 D. 34. A. 33. 



Skin velvety, without distinct scales. Body somewhat elevated, 

 its depth being a little more than one-half of the total length (with- 

 out caudal). Snout rather produced, with the upper prohle very 

 slightly concave. Gill-opening much advanced, its greater portion 

 being in front of the eye ; pectoral fin below the middle of the orbit. 

 Dorsal spine strong, above the middle of the orbit, with a double 

 row of barbs in front and behind, the anterior rows being much 

 closer together than the posterior. Caudal rounded ; dorsal and 

 anal fins low. Ventral spine small, fixed, with spikes pointing 

 forwards and backwards. Dark brown, mottled with black. 



Van Dieracn's Land. 



a. Eleven inches long. Van Dicmen's Land. Presented by li, 

 Gunn, Esq. 



27. Monacanthus macrurus. 



Monacanthus macrurus, Blevk. Nat. Tyds. Ned. Ind. xii. IHoV, 



p. 226. 

 Pseudomonacanthus macrurus, Blech. All. Ichth. Balist. p. 134, 



pi. 228. fig. 1. 



D. 31. A. 29. 



Body covered with small spiny but very distinct scales, and "(^ith 

 scattered cutaneous filaments. Adidt examples with a series of 

 large, simple^ or hooked spines on each side of the lower part of the 

 tail. Body rather oblong, its depth being a little less than one-half 

 of the total length (withoiit caudal). Snout of moderate length, 

 ivHh the ripper profile concave. Gill-opening advanced, parti}" in 

 front of the vertical from the anterior margin of the eye ; ijcctoral 

 fin below the middle of the orbit. Dorsal spine situated above the 

 middle of the eye, rather strong, but much shorter than the head, 

 armed in front with a double series of barbs which are closely set 

 and smaller than those behind. Caudal fin rounded, as long as the 

 head ; dorsal and anal fins low. Veutral spine very small, fix(;d, 

 not prominent. Olive-coloured, clouded with brownish ; head, 

 body, and caudal fin with numerous brown dots. 



East-Indian archipelago. 



<(. One of the typical specimens Tiii(;hes long. From Dr. Bleekcr's 

 Collection. 



