Figure 97.— External features of other 



representative monacanthid genera 



Pailocephalus barbalus— upper left, 



nasal region as seen externally 



(olfactory- lamella, if present, 



indistinct in specimen examined); lower 



left, scales from upper middle region of 



body, including a series of numerou>> 



lateral line canal bearing scales; no 



encasing scales at end of pelvis (or 



below it). 



Figure 98.— External features of other 



representative monacanthid genera 



Oxymonacanthus longiroatris— upper left, 



scales of upper middle region of body, includin 



three lateral line canal bearing scales, 



middle left, nasal region as seen externally 



(olfactory lamella, if present, indistinct 



in specimen examined); ventral view of 



scales at end of pelvis (anterior 



to left). 



Figure 99.— External features of other 



representative monacanthid genera: 



Pseudaluterea nasicornU — upper left, 



nasal region as seen externally 



(olfactory lamella, if present, 



indistinct in specimen examined); lower 

 left, scales of upper middle region of 

 body (specialized lateral line canal or 



pore-bearing scales absent); no encasing 

 scales at end of pelvis (or below it). 



Figure 100.— External features of other 



representative monacanthid genera: 

 Paraluterea prionurus— upper left, nasal 



region as seen externally (olfactory 



lamella, if present, indistinct in specimen 



examined); lower left, scales from upper middle 



region of body, including a lateral line canal 



bearing scale; no encasing scales at end of 



pelvis (or below it). 



152 



