( 312 ) 



Coradion Kaup. 



Dorsalis spinosa dorsaii radiosa minus duplo brevior, spinis 

 8 ad 10. Maxillae brevissimae, ore minimo, dentibus rudi- 

 mentariis. Vomer edentulum. Linea lateralis basin pinnae cau- 

 dalis attingens. — Spec. typ. Coradion chrysozonus Kaup. 



b. Dorsalis spinosa dorsaii radiosa vix ad plus duplo longior 



spinis 10 ad 16. 



aa. Linea lateralis basin pinnae caudalis attingens. Corpus 

 rhomboideum. Os valde parvum. Squamae regulariter ro- 

 tundatae mediis latetibus subhorizontaliter seriatae. Analis 

 spinis 3. 



Taurichthys CV = Heniochus CV = Diphreutes Cant. =* 

 Henjoehus Kaup. 



Dorsalis spinis 11 vel 12, 4 a producta posterioribus multo 

 longiore. Squamae snpra lineam lateralem in series 50 ad 65 

 dispositae. — Spec. typ. laurichthys varius CV. 



Hemitaurichthys Blkr. 



Dorsalis spinis 12 (vel 10?), 4 a non producta sequentibus 

 breviore. Squamae supra lineaui lateralem in series 70 (ad 90?) 

 dispositae. — — Spec. typ. Chaetodon polylepis Blkr. 



bb. Linea lateralis sub dorsaii radiosa desinens. 



Tetragonoptrus Klein — Chaetodon Cuv. (nee Art.) = 

 Rabdophorus Swns. = Citharoedus Kp = Sarothrodus 

 Gill = Tholichthys Günth. 



Corpus ovale vel subrhomboideum. Dentes maxillis bene 

 evoluti. Squamae trunco supra lineam lateralem in series 30 ad 

 55 transversas dispositae. Dorsalis spinosa dorsaii radiosa vix 

 ad duplo fere longior spinis 11 ad 16. — Spec. typ. Chaetodon 

 striatua L. 



Subgenera sequentia distinguenda, ex parte forsan in genera 

 erigenda. 



Citharoeduê Kaup. — Corpus orbiculato-rhomboidcum. Sqnn- 



