26. SERKANUS. 109 



19. Serranus mystacinus. 



SeiTanus mystacinus, Poey, Memorins de Cuba, 1851, p. 52. lam. 10. f. 1 . 

 PSeiTanus oetociuctus, Tcmm.Sf Schley. Faun. Japon. Potss. p. 7. pi. 4«. 



I^-li^a- ^-f L.lat.lOO. 



The height of the body is 3i in the total length, the length of 

 the head three times. Pra3operculum ^vith some very strong spinous 

 teeth at the angle, partly extending on the horizontal limb. Caiidalis 

 rounded ; pectorals reaching a little beyond the vent. Reddish, -witli 

 ten dark cross-bands ; fins immacidate. 



Caribbean Sea. 



a. Adult. South America. Presented by Sir R. Schomburgk. 



According to Poey's statement, this species makes a remarkable 

 exception to most of the Serrani in having at least twelve stems of 

 the pyloric appendages, each divided again into several branches ; 

 an increased number is also to be observed in S. inermis, from the 

 same locaUty. The description of S. octoclnctus, given in the Faun. 

 Japon. p. 7, pi. 4rt, agrees exactly with the specimen mentioned 

 above. There is another specimen in the Collection of the British 

 Museum, said to be from the Isle de France, which cannot be separated 

 from the former. 



h. Adult : stuffed. Isle de France. Presented by Dr. Janvier. 



20. Serranus oceanicus. 



? Perca fasciata, Forska/, p. 40. 



Holocentrus oceanicus, Lacep. iv. p. 377. t. 7. f. 3. 



forskalii, Laccp. iv. p. 377. 



Sen-anus oceanicus, Cue. i^ Veil. ii. p. 302. 

 Sen'ani marginalis \ar., Blccker, Perc. p. 34. 



Caudalis truncated ; sub- and interoperculum entire ; denticula- 

 tions of the angle of the prseoperculum not much stronger. Reddish, 

 with five darker, cross-bands ; head unitbrm ; the anterior half of tbo 

 dorsalis -udth a blackish edge ; ciiudalis not black-edged. 



Red Sea ; Isle de France. 



21. Serranus trimaculatus. 



Epinephelus japonicus, Kruse^ist. Reise, pi. 64. f. 2. 

 Serranus trimaculatus, Cuv. 4' ^ «^- ii- P- 331 ; Faun. Japon. Poiss. 

 p. 8 ; Richardson, Ichth. China, p. 232. 



T-v 11 4 3 



"• 15-16- ^^- (7-)8* 



Caudalis rounded ; sub- and interoperculum entii-e ; the hinder 

 limb of the prseoperculum serrated ; denticulations stronger at the 

 angle ; the lower limb entire. Reddish brown, ^vith two large 

 blackish-broAvn square spots at the root of the hinder half of the 



