CLASS PISCES. 175 



In a second subdivision from the Indian Ocean, 

 there are three spines in the anal, and long and 

 pointed pectorals l . 



A third, also from the Indian Ocean, has four anal 

 spines, and very small scales. 



One species, Chcetodon argus, L., Bl. 204. 1. has 

 the reputation of feeding, in preference, upon human 

 excrement 2 . 



Another species of this same subdivision has been 

 discovered in a fossil state in Mount Bolca 3 . 



The Taurichtes are Ephippii of India, which have 

 an arcuated and pointed horn over each eye 4 . 



Holacanthus, Lacep., 



A large spine at the angle of the preoperculum, and the 

 edges of the same bone in most species denticulated. 

 Their flesh is excellent, and they are remarkable for 

 the beauty of their colours, and the regularity with 

 which they are distributed. Numerous specimens 

 abound in both oceans 5 . Their form is oval or ob- 

 long. 



Chest, punctatus, L., or Latte, Russ. 79. Chest, longimanus, 

 BL, Schn., Russ. 80. Eph. terla, Cuv., Russell 81. 

 2 Add Chest, tetracanthus, Lacep. III. xxv. 2. 



Ittiolitologia Veronese, pi. v. f. 2. where it is figured as the 

 Argus, but it is a different species. 



The Buffalo-fish of the Malays, Taurichthys varius, Cuv., well 

 figured by Ren. I. xxx. 164. Valent. No. 71. T. viridis, Ren. II. 

 x. 49. Valent. No. 161. 



American species, Chest, ciliaris, L., Bl. 214, or Isabeltta, Parra 

 VII. 1. or Chest, couronne, Desmar., Dec. Icthyol. Chest, tricolor, 



2 



