Figure 87.— External features of 



other representative monacanthid 



genera: Stephanolepis cirrhifer— 



upper left, nasal region as seen 



externally (far left) and the 



olfactory lamella as seen with the 



top of the nasal sac removed; 



middle left, scales from upper middle 



region of body, including two 



lateral line canal bearing scales; lower 



left, ventral view of encasing scales 



at end of pelvis (anterior to left). 



-Hr%^"^^ 



Figure 88.— External features of 



other representative monacanthid 



genera: Chaetoderma spinosissimus- 



upper left, scales from upper middle 



region of body, including two 



lateral line canal bearing scales; 



middle left, nasal region as 



seen externally (olfactory 



lamella, if present, indistinct in 



specimen examined); lower left, 



ventral view of encasing scales at 



end of pelvis 



(anterior to left). 



Figure 89.— External features of 



other representative monacanthid 



genera: Paramonacanthus curtorhynchua- 



upper left, nasal region as seen 



externally (far left) and the olfactory 



lamella as seen with the top of the 



nasal sac removed; middle left, scales 



from upper middle region of body, 



including ivio lateral line canal 



bearing scales; lower left, ventral 



view of encasing scales at end of 



pelvis (anterior to left). 



149 



