GENERA PISCIUM. 



^Ta. 



O R D O I. 



MALACOPTERYGIL 



/. STNGNATHUS. 



Operciila Branchiarum ex unica tenui lamella offea 

 utrinque conftantia, 



Memhrana BranchioHega 



Cfl^p^; oblongum , cathetoplateum: Maxilte a lateri- 



bus claufe &: OS in extremitate roftri tantummodo 



apertum. 



Corpm longum& admodum gracile, ambitu plerumque 



anguiato, interdum fubrotundo : jam tetrapterygium, 



jam monopterygium O* 



SPE- 



^K^^i^m^mmmmmmmmmm^mmmmmmmimmmmm ^•^m^^^a^^m^m^^^^m^m^mm^mmmmmttm^m m^mmm^mm^mmmmammmmm^mm^m^^i^^mamm^mmK:^ 



Additamentum. 

 (*) Chnracier generif Syngnathi, 



LiNN.?:i : Ronriim fubcylindricum; orc operciilato, 



inaxilla inferiore: Apertura branchiariun opercuiis claufis; 



^rtcdi Gencra, A nucha 



