396 PHILOSOPHY OF ZOOLOGY. 



includes the following genera: 140. AMPHACANTHUS 

 (Scarus siganus). 141. THEUTIS (T. hepatic). 142. 

 NASEUS (chfetodon unicornis). 



VI. Scaly finned. The soft anal and dorsal fins are fre- 

 quently much concealed by the scales. The intestines are 

 long, and the coeca numerous. 



a. Teeth like bristles, or shorter and *hick set. The 

 following genera may here be enumerated : 143. CnceTO- 

 DON (C. striatus). 144. PSETTUS (P. falciformis). 145. 

 OSPHRONEMUS (0. olfax). 146. TOXOTES (Labrus jacu- 

 lator). 147. KURTUS (K. indicus). 148. ANABAS (Perca 

 scandens). 149. C^ESIO (C, coerulescens). 150. BBAMA 

 (Spams Raii). 



b. Teeth like hair in a single row. 151. STROMATEUS 

 (S. niger). 152. FIATOLA (S. fiatola). 153. SESERINUS 

 (Sesennus of ROND.) 154. PIMELEPTERUS (P. Boscii). 



155. PLECTRORHYNCHUS (P. chetonoide of LACEPEDE). 



156. GLYPHISODON (Chatodon maculatus). 157. POMA- 

 CENTRUS (Chatodon aruanus). 158. AMPHIPRION (A. 

 epkippium). 159. PREMNAS (Chatodon biaculeatus). 



c. The two dorsal fins in this group have less of the thick 

 covering pf the scales, than in the former ones. 160. 

 TEMNODON (One species, Cuv.) 161. EauEs (E. Ameri- 

 canus). 162. POLYNEMUS (P. paradiscus). 



VII. Mouth flute-shaped. 



The tubular mouth is produced by the elongation of the 

 ethmoid, vomer, preopercles, interopercles, pterygoid and 

 tympanal bones, at the extremity of which the intermax- 

 illaries, palatines, maxillaries and mandibularies are placed. 



163. FISTULARIA. Body cylindrical. 1. Fistulariaj 

 (F. tabacarid). 2. Aulostomus (F. chmensis). 



164. CENTRISCUS. Body oval and compressed. 1. Cen- 

 triscus (C. scolopax). 2. Amphisile (C. scutatus). 



