CLASS PISCES. 573 



The majority have the sides of the tail armed with 

 a certain number of ranges of spines curved forwards, 

 and all those of this division, with which we are ac- 

 quainted, have some larger scales behind the gills ! . 



MONACANTHUS, CuV., 



Have but very small scales, bristling with stiff ex- 



1 Species with two or three ranges of spines : Bal. lineatus, Schn. 

 87. Renard. 217, or B. lamouroux, Quoy and Gaym., Zool. de 

 Freycin, pi. xlvii. f. 1. Bal. cendre, Lacep. I. xvii. 2; or B. 

 arcuatus, Schn. Journ. de Phys. Juillet, 1744. 



Species with three ranges : Bal. aculeatus, L., Bl. 149. Lacep. 

 I. xvii. 1. ; Renard, i. 28. f. 154. and ii. 28. f. 136. Bal. verru- 

 cosus, L., Mus. ad. fig. xxvii. 57. the same as the B. pralin, 

 Lacep. i. 335. and the B. viridis, Schn. 



Species with four or five ranges : Bal. echarpe, Lac. I. xvi. 1 ; or 

 Bal. rectangulus, Schn., or Bal. medinilla, Quoy. and Gaym. Zool. de 

 Freyc. pi. xlvi. f. 2. Bal. conspicillum, Schn., Renard, i. 15. f. 88. 

 and Lacep. I. xvi. 3, under the false name of Baliste Ameiicain ; 

 it is from the Indian Ocean. B. viridescens, Schn., or verddtre, 

 Lacep. I. xvi. 3. 



Species with six or seven ranges : Bal. ar?ne, Lacep. I. xviii. 2. 

 N.B This is neither the Armatus of Schn., nor, as he thought, his 

 Chrysopterus ; Bal. ringens, Bl. 152. 2., or niger, Schn., or Sillone, 

 Lacep. I. xviii. 1. 



Species with twelve or fifteen ranges : Bal. bursa, Schn. B. 

 bourse, Lacep. iii. 7 ; Renard, i. 7. and Sonnerat. Journ. de 

 Phys. 1774. 



Species whose spines are scarcely perceptible, being reduced 

 to small tubercles. Bal. bride, Lacep. I. xv. 3 ; Bal. etoile, Lacep. 

 I. xv. 1 ; or 5. stellaris, Schn. ; or Dond rum yellakah, Russell, xxiii. 



N.B. If the Balistapus of Tilesius, Mem. de l'Ac. de Petersb. 

 VII. ix. in reality wants the pelvis, it should form a subgenus at 

 the end of the balistes properly so called. 



